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ILSC® ‘99: Proceedings of the International Laser Safety Conference - Volume 4b

PLENARY SESSION: LASER SAFETY FOCUS ON THE EYE

Retinal Laser Injuries: Mechanisms and Consequences

Martin A. Mainster, Ph.D., M.D.

LIACP 1990; 1-8https://doi.org/10.2351/1.5056480

View Articletitled, Retinal Laser Injuries: Mechanisms and Consequences

SESSION: ACCIDENTS & INCIDENTS

Laser incidents: A summary of recent accident reports

R. James Rockwell, Jr.

LIACP 1990; 1-13https://doi.org/10.2351/1.5056503

View Articletitled, Laser incidents: A summary of recent accident reports

Long term evaluation of two bilateral laser eye accident cases

Harry Zwick; Bruce E. Stuck; David K. Scales; Jeremiah Brown, Jr.; James Ness

LIACP 1990; 14-23https://doi.org/10.2351/1.5056498

View Articletitled, Long term evaluation of two bilateral laser eye accident cases

Laser pointer-accidents: Problem and actions taken in Germany

Wolfgang Wöllmer; Rudolf Steiner

LIACP 1990; 24-29https://doi.org/10.2351/1.5056504

View Articletitled, Laser pointer-accidents: Problem and actions taken in Germany

Laser pointers: The UK position

J. B. O’Hagan; R. Hill

LIACP 1990; 30-36https://doi.org/10.2351/1.5056505

View Articletitled, Laser pointers: The UK position

Laser pointers — A regulatory perspective

Frank Mackison

LIACP 1990; 37-47https://doi.org/10.2351/1.5056506

View Articletitled, Laser pointers — A regulatory perspective

A study of micromachining wide band-gap materials using IR, visible, DUV, and VUV laser light

Michael Kauf; John Fair; Eric Mayer; Michael Scaggs; Dirk Basting

LIACP 1990; 1-10https://doi.org/10.2351/1.5059303

View Articletitled, A study of micromachining wide band-gap materials using IR, visible, DUV, and VUV laser light

Micromanufacturing polyimide by TEA CO₂ laser vs. excimer laser

Rong Gu; Jim Angell; Rich Hunter

LIACP 1990; 11-19https://doi.org/10.2351/1.5059293

View Articletitled, Micromanufacturing polyimide by TEA CO<sub>2</sub> laser vs. excimer laser

Enhancement of the micromachining capabilities of CO₂ planar waveguide lasers

F. Villarreal; P. R. Murray; Q. Cao; P. A. Field; G. A. J. Markillie; H. J. Baker; D. R. Hall

LIACP 1990; 20-28https://doi.org/10.2351/1.5059305

View Articletitled, Enhancement of the micromachining capabilities of CO<sub>2</sub> planar waveguide lasers

Dynamic observation of fine metal wire bending by laser beam

S. Yoshioka; T. Miyazaki; Y. Arai; T. Misu

LIACP 1990; 29-37https://doi.org/10.2351/1.5059311

View Articletitled, Dynamic observation of fine metal wire bending by laser beam

Computational and experimental investigations of supersonic micro nozzles for laser processing applications

C. J. Sutcliffe; A. Khan; C. Rand; W. O’Neill

LIACP 1990; 38-47https://doi.org/10.2351/1.5059312

View Articletitled, Computational and experimental investigations of supersonic micro nozzles for laser processing applications

Drilling of glass by excimer laser mask projection technique

Bernd Keiper; Horst Exner; Udo Löschner; Thomas Kuntze

LIACP 1990; 48-57https://doi.org/10.2351/1.5059313

View Articletitled, Drilling of glass by excimer laser mask projection technique

Ablation of complex microfluidic structures: Experimental and numerical results

Simon Zhou; Marvin Kilgo

LIACP 1990; 58-66https://doi.org/10.2351/1.5059314

View Articletitled, Ablation of complex microfluidic structures: Experimental and numerical results

Aplication of calcium phosphate coatings produced by pulsed laser deposition to osteointegrable devices

J. Pou; J. L. Arias; M. B. Mayor; B. León; M. Pérez-Amor

LIACP 1990; 67-76https://doi.org/10.2351/1.5059315

View Articletitled, Aplication of calcium phosphate coatings produced by pulsed laser deposition to osteointegrable devices

Laser microperforation of poly(dimethylsiloxane) (PDMS) for the durable fixation of a retina implant

E. Bremus-Köbberling; H. Ch. Lüdtke-Handjery; A. Gillner; H. Höcker; Ch. Mittermayer; R. Poprawe; H. A. Richter

LIACP 1990; 77-85https://doi.org/10.2351/1.5059316

View Articletitled, Laser microperforation of poly(dimethylsiloxane) (PDMS) for the durable fixation of a retina implant

High absorption diode lasers for medical applications

Bolesh J. Skutnik; Brian Foley

LIACP 1990; 86-93https://doi.org/10.2351/1.5059317

View Articletitled, High absorption diode lasers for medical applications

Qualification of the laser drilling of catheters

M. Wehner; D. A. Wesner; E. Bremus; A. Gillner; R. Poprawe; R. Zimmer

LIACP 1990; 94-103https://doi.org/10.2351/1.5059318

View Articletitled, Qualification of the laser drilling of catheters

High speed manufacture of high pressure micro cylinders for medical devices

J. T. Gabzdyl; S. Wood

LIACP 1990; 104-110https://doi.org/10.2351/1.5059290

View Articletitled, High speed manufacture of high pressure micro cylinders for medical devices

Limiting factors in the production of laser generated microstructures

W. O’Neill; L. Tunna; A. Kearms; B. McCullogh; C. Sutcliffe

LIACP 1990; 111-118https://doi.org/10.2351/1.5059291

View Articletitled, Limiting factors in the production of laser generated microstructures

Low heat input welding by continuous-wave Nd:YAG laser processing

Steve Roy; Kevin J. Ely

LIACP 1990; 119-128https://doi.org/10.2351/1.5059292

View Articletitled, Low heat input welding by continuous-wave Nd:YAG laser processing

Application of Q switch Nd-YAG laser in drilling on printed wiring board

Xizhuang Han; Masami Futamata

LIACP 1990; 129-135https://doi.org/10.2351/1.5059294

View Articletitled, Application of Q switch Nd-YAG laser in drilling on printed wiring board

In-process monitoring technique during CO₂ laser via-hole drilling of printed wiring boards

Isamu Miyamoto; Takayuki Nakayama

LIACP 1990; 136-143https://doi.org/10.2351/1.5059295

View Articletitled, In-process monitoring technique during CO<sub>2</sub> laser via-hole drilling of printed wiring boards

Development in the model-industry: Micro-machining of hard metal (WC-10%Co) by Nd:YAG-laser

L.-Y. Yeh; D. Hellrung; A. Gillner; R. Poprawe

LIACP 1990; 144-152https://doi.org/10.2351/1.5059296

View Articletitled, Development in the model-industry: Micro-machining of hard metal (WC-10%Co) by Nd:YAG-laser

Laser-generated conducting and insulating tracks in silicon carbide

Deepak Sengupta; Aravinda Kar; Nathaniel R. Quick

LIACP 1990; 153-159https://doi.org/10.2351/1.5059297

View Articletitled, Laser-generated conducting and insulating tracks in silicon carbide

Pulsed laser machining of thin films for microsensor development

Xianfan Xu; Jae Wook Ryu; David A. Willis

LIACP 1990; 160-166https://doi.org/10.2351/1.5059298

View Articletitled, Pulsed laser machining of thin films for microsensor development

Microscale bending with CW and pulsed laser

Guofei Chen; Xianfan Xu

LIACP 1990; 167-175https://doi.org/10.2351/1.5059299

View Articletitled, Microscale bending with CW and pulsed laser

Low power laser deposition for marking applications

Ronald J. Blake; Adam B. Revell; Donald F. Shepard; Reed M. Nielsen; Mark R. Baugh; Jared Tennant

LIACP 1990; 176-185https://doi.org/10.2351/1.5059300

View Articletitled, Low power laser deposition for marking applications

Laser microprocessing at photonics research Ontario

M. Nantel; Y. Liao; B. Bruner; P. Herman; R. Marjoribanks; R. J. D. Miller; K. Chen; I. Konovalov; S. Ness; A. Oettl; B. J. Siwick

LIACP 1990; 186-194https://doi.org/10.2351/1.5059301

View Articletitled, Laser microprocessing at photonics research Ontario

High precision drilling with short-pulsed solid-state lasers

T. Abeln; J. Radtke; F. Dausinger

LIACP 1990; 195-203https://doi.org/10.2351/1.5059302

View Articletitled, High precision drilling with short-pulsed solid-state lasers

Fibre optic beam delivery of nano-second Nd:YAG laser pulses for micro-machining

R. R. J. Maier; D. P. Hand; A. Kuhn; P. Blair; M. R. Taghizadeh; J. D. C. Jones

LIACP 1990; 204-218https://doi.org/10.2351/1.5059304

View Articletitled, Fibre optic beam delivery of nano-second Nd:YAG laser pulses for micro-machining

Modified molecular dynamics simulation on ultrafast laser ablation of metal

Etsuji Ohmura; Ichirou Fukumoto; Isamu Miyamoto

LIACP 1990; 219-228https://doi.org/10.2351/1.5059306

View Articletitled, Modified molecular dynamics simulation on ultrafast laser ablation of metal

Femtosecond laser – A powerful tool for micro drilling

H. K. Tönshoff; F. von Alvensleben; A. Ostendorf; S. Nolte; G. Kamlage

LIACP 1990; 229-235https://doi.org/10.2351/1.5059307

View Articletitled, Femtosecond laser – A powerful tool for micro drilling

Advanced processing of n (100) GaAs with femtosecond laser treatment

T. A. Railkar; A. P. Malshe; W. D. Brown; Shiva S. Hullavarad; S. V. Bhoraskar

LIACP 1990; 236-245https://doi.org/10.2351/1.5059308

View Articletitled, Advanced processing of n (100) GaAs with femtosecond laser treatment

A laser device to measure the human cornea in vivo

M. M. S. Gualini; W. A. Khan; H. Steinbichler

LIACP 1990; 246-252https://doi.org/10.2351/1.5059309

View Articletitled, A laser device to measure the human cornea in vivo

A singlet oxygen sensor for photodynamic cancer therapy

Philip B. Keating; Michael F. Hinds; Steven J. Davis

LIACP 1990; 253-260https://doi.org/10.2351/1.5059310

View Articletitled, A singlet oxygen sensor for photodynamic cancer therapy

SESSION: BIOEFFECTS

Retinal Damage Mechanisms for Ultrashort Laser Exposure

Benjamin A. Rockwell; Dale Payne; Richard A. Hopkins; Gordon Hengst; Cynthia Toth; William P. Roach; David Stolarski; Gary Noojin; Robert Thomas; Clarence Cain

LIACP 1990; 9-17https://doi.org/10.2351/1.5056489

View Articletitled, Retinal Damage Mechanisms for Ultrashort Laser Exposure

Retinal Damages Thresholds Induced by Single and Multiple Picosecond Laser Pulses

Daniel Courant; Jean-Claude Pérot; José Garcia; Sylvie Paolacci-Riera; Catherine Chapel; Pierre Bourdon; Dominique Dormont

LIACP 1990; 18-26https://doi.org/10.2351/1.5056479

View Articletitled, Retinal Damages Thresholds Induced by Single and Multiple Picosecond Laser Pulses

Genetic Induction of Cultured Human Cells by High Energy, Ultrashort Pulse Laser-Light

John W. Obringer; Steve Phipps; Marty D. Johnson

LIACP 1990; 27-36https://doi.org/10.2351/1.5056481

View Articletitled, Genetic Induction of Cultured Human Cells by High Energy, Ultrashort Pulse Laser-Light

Thermo-chemical Damage Mechanism for Retinal Thermal Models

Wesley Marshall

LIACP 1990; 37-46https://doi.org/10.2351/1.5056482

View Articletitled, Thermo-chemical Damage Mechanism for Retinal Thermal Models

Retinal Safety of Experimental Light-Emitting Diode (LED) Light in a Monkey Model

Donald Armstrong; Don Samuelson; William Dawson; Marion Hope; Takako Ueda; Shohei Fukada; Toshihiko Ueda; Shigehiro Iwabuchi; Ryohei Koide

LIACP 1990; 47-56https://doi.org/10.2351/1.5056483

View Articletitled, Retinal Safety of Experimental Light-Emitting Diode (LED) Light in a Monkey Model

Effect of Light-Emitting Diode (LED) Light Exposure on Retinal Pigment Epithelial cells, In Vitro

Takako N. Ueda; Shohei Fukuda; Toshihiko Ueda; Tetsuma Ozawa; Ryohei Koide; Hideyuki J. Majima

LIACP 1990; 57-62https://doi.org/10.2351/1.5056484

View Articletitled, Effect of Light-Emitting Diode (LED) Light Exposure on Retinal Pigment Epithelial cells, <em>In Vitro</em>

Eye movements during fixation: implications to long-term viewing of small optical sources

J.W. Ness; H. Zwick; D.J. Lund; B. Lund; B.E. Stuck; D.H. Sliney

LIACP 1990; 63-72https://doi.org/10.2351/1.5056485

View Articletitled, Eye movements during fixation: implications to long-term viewing of small optical sources

Transient Visual Effects

David J. Lund; David A. Stamper; Jerome W. Molchany; Bruce E. Stuck

LIACP 1990; 73-82https://doi.org/10.2351/1.5056486

View Articletitled, Transient Visual Effects

Spot-Size Dependence of Laser Induced Retinal-Damage Threshold

Joseph A. Zuclich; David J. Lund; Peter R. Edsall; Richard C. Hollins; Peter A. Smith; Bruce E. Stuck; Leon N. Mclin

LIACP 1990; 83-92https://doi.org/10.2351/1.5056487

View Articletitled, Spot-Size Dependence of Laser Induced Retinal-Damage Threshold

The Optics and Physiology of the Eye in Relation to Laser Injury

Myron L. Wolbarsht

LIACP 1990; 93-100https://doi.org/10.2351/1.5056488

View Articletitled, The Optics and Physiology of the Eye in Relation to Laser Injury

SESSION: SAFETY STANDARDS

Update on ANSI Z136.1

Sidney S. Charschan; Benjamin A. Rockwell

LIACP 1990; 48-55https://doi.org/10.2351/1.5056507

View Articletitled, Update on ANSI Z136.1

State and local government laser safety requirements

R. James Rockwell, Jr.; Jay Parkinson

LIACP 1990; 56-66https://doi.org/10.2351/1.5056508

View Articletitled, State and local government laser safety requirements

Status of the revision of the IEC standard

David H. Sliney, Ph.D.

LIACP 1990; 67-77https://doi.org/10.2351/1.5056509

View Articletitled, Status of the revision of the IEC standard

What are reasonably foreseeable conditions of operation?

Jerome E. Dennis

LIACP 1990; 78-81https://doi.org/10.2351/1.5056510

View Articletitled, What are reasonably foreseeable conditions of operation?

Laser safety standards activities for optical fiber communication systems

Jane Ehrgott

LIACP 1990; 82-90https://doi.org/10.2351/1.5056511

View Articletitled, Laser safety standards activities for optical fiber communication systems

Product classification under the proposed IEC revisions

Robert Weiner

LIACP 1990; 91-95https://doi.org/10.2351/1.5056512

View Articletitled, Product classification under the proposed IEC revisions

Amendment 1 of IEC 60825-1: Consequences on hazard evaluation of near infrared diode laser systems

P. Bourdon; S. Paolacci-Riera; D. Courant

LIACP 1990; 96-103https://doi.org/10.2351/1.5056513

View Articletitled, Amendment 1 of IEC 60825-1: Consequences on hazard evaluation of near infrared diode laser systems

Dusting the cobwebs off the 60825-1 user guide

J. Michael Green; A. Roy Henderson; Bryan A. Tozer

LIACP 1990; 104-108https://doi.org/10.2351/1.5056490

View Articletitled, Dusting the cobwebs off the 60825-1 user guide

SESSION: MEASUREMENTS & GLOBAL ACCEPTANCE

Measurement of Optical Radiation to Assess the Blue Light Hazard

Karl Schuhneister; Martina Schwaiger; Georg Vees; Christian Schmitzer

LIACP 1990; 101-108https://doi.org/10.2351/1.5056468

View Articletitled, Measurement of Optical Radiation to Assess the Blue Light Hazard

Apparent Source Size Dependence upon Measurement Optics (Applying IEC 60825-1 AEL Classification to Unusual Sources)

Joseph Tajnai

LIACP 1990; 109-118https://doi.org/10.2351/1.5056469

View Articletitled, Apparent Source Size Dependence upon Measurement Optics (Applying IEC 60825-1 AEL Classification to Unusual Sources)

Determination of Retinal Spot Size for Static Laser Beams and Scanning Laser Beams: A Mathematical Analysis

Frank Travea

LIACP 1990; 119-126https://doi.org/10.2351/1.5056470

View Articletitled, Determination of Retinal Spot Size for Static Laser Beams and Scanning Laser Beams: A Mathematical Analysis

Quantitative Evaluation of Spatial Coherence of LED’s (Light Emitting Diodes) and LD’s (Laser Diodes) from the Fringes of Double Slits

Hirotsugu Yamamoto; Toyoshi Nogami; Yukio Tomifuji; Yoshio Hayasaki; Nobuo Nishida

LIACP 1990; 127-136https://doi.org/10.2351/1.5056471

View Articletitled, Quantitative Evaluation of Spatial Coherence of LED’s (Light Emitting Diodes) and LD’s (Laser Diodes) from the Fringes of Double Slits

SESSION: MEDICAL LASER SAFETY

FDA and safety considerations for laser hair removal systems

Robert T. Handren, Jr., M.S.

LIACP 1990; 109-114https://doi.org/10.2351/1.5056491

View Articletitled, FDA and safety considerations for laser hair removal systems

Changing technologies: Unchanging concerns

Judy A. Chamberlain

LIACP 1990; 115-122https://doi.org/10.2351/1.5056492

View Articletitled, Changing technologies: Unchanging concerns

Are surgical drapes safe for laser surgery? Current standards and test methods

Jay R. Sommers

LIACP 1990; 123-129https://doi.org/10.2351/1.5056493

View Articletitled, Are surgical drapes safe for laser surgery? Current standards and test methods

Risk of laser burns due to beam-alignment problems in microsurgery

Wolfgang Wöllmer

LIACP 1990; 130-135https://doi.org/10.2351/1.5056494

View Articletitled, Risk of laser burns due to beam-alignment problems in microsurgery

Laser standards and the international medical community

Bill Davies

LIACP 1990; 136-139https://doi.org/10.2351/1.5056495

View Articletitled, Laser standards and the international medical community

SESSION: HAZARD AND RISK ASSESSMENT

Significant Features of Semiconductor Emitters related to Optical Radiation Hazards

J. Angerstein; W. Horak

LIACP 1990; 137-146https://doi.org/10.2351/1.5056472

View Articletitled, Significant Features of Semiconductor Emitters related to Optical Radiation Hazards

LaserSafety - A Software to manage the Laser Safety in industrial, medical and laboratory applications

J. Garcia; Y. Thomas; D. Courant; J. C. Pérot

LIACP 1990; 147-152https://doi.org/10.2351/1.5056473

View Articletitled, LaserSafety - A Software to manage the Laser Safety in industrial, medical and laboratory applications

Laser Range Safety Tool (LRST)for Target Reflection Analysis

Gordon Hengst; Gregg Crockett; Garrett Polhamus; Paul Kennedy; James Cupello; Bryan Lilius; Robert Thomas; Javier Trevino; Dean Clark

LIACP 1990; 153-161https://doi.org/10.2351/1.5056474

View Articletitled, Laser Range Safety Tool (LRST)for Target Reflection Analysis

Potential Ocular Hazards from Virtual Retinal Displays^TM (VRD)

James K. Franks

LIACP 1990; 162-166https://doi.org/10.2351/1.5056475

View Articletitled, Potential Ocular Hazards from Virtual Retinal Displays<sup>TM</sup> (VRD)

A Protocol for Improving Safety Margins of Laser Products and Experimental Systems

Howard J. Carter

LIACP 1990; 167-171https://doi.org/10.2351/1.5056476

View Articletitled, A Protocol for Improving Safety Margins of Laser Products and Experimental Systems

Hazards Abatement in Deep Ultraviolet Lithography

Paul G. Green

LIACP 1990; 172-181https://doi.org/10.2351/1.5056477

View Articletitled, Hazards Abatement in Deep Ultraviolet Lithography

Safety Aspects for Light-Emitting Diodes (LEDs) and Laser Pointers - Current Positions of ICNIRP -

Stefan Diemer

LIACP 1990; 182-191https://doi.org/10.2351/1.5056478

View Articletitled, Safety Aspects for Light-Emitting Diodes (LEDs) and Laser Pointers - Current Positions of ICNIRP -

SESSION: LASER LIGHT SHOWS … DISPLAYS

Is audience scanning at laser light shows ever acceptable?

J. B. O’Hagan; G. Makhov; W. R. Benner

LIACP 1990; 140-148https://doi.org/10.2351/1.5056496

View Articletitled, Is audience scanning at laser light shows ever acceptable?

Flight hazards from lasers in airspace: Summary of society of automotive engineers (SAE) G-10T committee activities

Kenneth S. Keppler; Leon N. McLin, Jr; C.W. (Bill) Connor, Ph.D.

LIACP 1990; 149-156https://doi.org/10.2351/1.5056497

View Articletitled, Flight hazards from lasers in airspace: Summary of society of automotive engineers (SAE) G-10T committee activities

Current visual interference levels in draft Z136.6 standard

Wesley Marshall

LIACP 1990; 157-162https://doi.org/10.2351/1.5056499

View Articletitled, Current visual interference levels in draft Z136.6 standard

Update of the national standard for the safe use of lasers outdoor

Wesley J. Marshall

LIACP 1990; 163-168https://doi.org/10.2351/1.5056500

View Articletitled, Update of the national standard for the safe use of lasers outdoor

UK directorate of airspace policy guidelines on lasers in airspace

J. B. O’Hagan; S. G. Walker; F. K. Dowling

LIACP 1990; 169-177https://doi.org/10.2351/1.5056501

View Articletitled, UK directorate of airspace policy guidelines on lasers in airspace

A study of scan fail monitors for scanning laser systems

Sheldon Zimmerman; Robert Aldrich

LIACP 1990; 178-182https://doi.org/10.2351/1.5056502

View Articletitled, A study of scan fail monitors for scanning laser systems

SECTION D – WELDING

Visualization and acoustic monitoring of laser weld pool oscillatory behavior

Elizabeth T. Smith; Elijah Kannatey-Asibu, Jr.

LIACP 1990; D1-D10https://doi.org/10.2351/1.5059222

View Articletitled, Visualization and acoustic monitoring of laser weld pool oscillatory behavior

Laser assisted plasma arc welding

Phillip W. Fuerschbach

LIACP 1990; D102-D109https://doi.org/10.2351/1.5059210

View Articletitled, Laser assisted plasma arc welding

Plasma fluctuation and keyhole instability in laser welding

Jian Xie

LIACP 1990; D11-D20https://doi.org/10.2351/1.5059212

View Articletitled, Plasma fluctuation and keyhole instability in laser welding

Optimum solutions for laser welded all steel sandwich panels

Pentti Kujala; Antti Salminen

LIACP 1990; D110-D119https://doi.org/10.2351/1.5059211

View Articletitled, Optimum solutions for laser welded all steel sandwich panels

Laser butt welding of pipes at different angles

M. M. S. Gualini

LIACP 1990; D120-D129https://doi.org/10.2351/1.5059213

View Articletitled, Laser butt welding of pipes at different angles

The laserwelding of aluminum tubes of alloy 6061

Jan Gedopt; Erwin Delarbre; Rosita Persoons; Eric Geerinckx

LIACP 1990; D130-D136https://doi.org/10.2351/1.5059214

View Articletitled, The laserwelding of aluminum tubes of alloy 6061

Laser weldability of thin sheets

Ali Ihsan Koruk; Ivan Hrivnak; Alexander Kaplan

LIACP 1990; D137-D146https://doi.org/10.2351/1.5059215

View Articletitled, Laser weldability of thin sheets

Multiple pass laser beam welding of heavy sections

Martin Dahmen; Frederic Coste; Götz Kapper; Wolfgang Knapp

LIACP 1990; D147-D156https://doi.org/10.2351/1.5059216

View Articletitled, Multiple pass laser beam welding of heavy sections

Pulsed YAG laser spot welding under microgravity and vacuum

Seiji Katayama; Koji Tanaka; Masami Mizutani; Akira Matsunawa

LIACP 1990; D157-D166https://doi.org/10.2351/1.5059217

View Articletitled, Pulsed YAG laser spot welding under microgravity and vacuum

Laser welding with Nd:YAG-multi-beam technique

B. Hohenberger; C.-L. Chang; C. Schinzel; F. Dausinger; H. Hügel

LIACP 1990; D167-D176https://doi.org/10.2351/1.5059218

View Articletitled, Laser welding with Nd:YAG-multi-beam technique

Keyhole formation study in pulse Nd:YAG laser welding

O. Perret; Ph. Naudy; M. Bizouard

LIACP 1990; D177-D186https://doi.org/10.2351/1.5059219

View Articletitled, Keyhole formation study in pulse Nd:YAG laser welding

Shielding gas effects on Nd:YAG laser welding of various materials

Jay Eastman; David Smith

LIACP 1990; D187-D196https://doi.org/10.2351/1.5059220

View Articletitled, Shielding gas effects on Nd:YAG laser welding of various materials

Operational windows for C.W. Nd:YAG laser welding of thin sheets of copper and alloys without filler material

F. Lechuga; E. Tyszka; J. Ramos; M. Bosman; C. Timmermans

LIACP 1990; D197-D205https://doi.org/10.2351/1.5059221

View Articletitled, Operational windows for C.W. Nd:YAG laser welding of thin sheets of copper and alloys without filler material

Welding of aluminium alloys with continuous wave Nd: YAG laser up to 5kW

Mohammed Naeem

LIACP 1990; D206-D215https://doi.org/10.2351/1.5059223

View Articletitled, Welding of aluminium alloys with continuous wave Nd: YAG laser up to 5kW

Application of chromatic filtering to process monitoring of CW laser welding

Cheol-Jung Kim; Sung-Hoon Baik; Min-Suk Kim; Chin-Man Chung

LIACP 1990; D21-D28https://doi.org/10.2351/1.5059225

View Articletitled, Application of chromatic filtering to process monitoring of CW laser welding

Nd:YAG laser welding of austenitic stainless steel-filler wire parameters

Tommi Jokinen; Antti Salminen; Veli Kujanpää

LIACP 1990; D216-D224https://doi.org/10.2351/1.5059224

View Articletitled, Nd:YAG laser welding of austenitic stainless steel-filler wire parameters

Welding of ship structural steel a 36 using Nd:YAG laser and GMAW

Tommi Jokinen; Teppo Vihervä; Hannu Riikonen; Veli Kujanpää

LIACP 1990; D225-D232https://doi.org/10.2351/1.5059226

View Articletitled, Welding of ship structural steel a 36 using Nd:YAG laser and GMAW

Materials processing with a 10kW Nd:YAG laser facility

C. A. Olivier; P. A. Hilton; J. D. Russell

LIACP 1990; D233-D241https://doi.org/10.2351/1.5059227

View Articletitled, Materials processing with a 10kW Nd:YAG laser facility

Analysis and validation of laser spot weld-induced distortion

G. A. Knorovsky; M. P. Kanouff; D. O. MacCallum; P. W. Fuerschbach

LIACP 1990; D242-D251https://doi.org/10.2351/1.5059228

View Articletitled, Analysis and validation of laser spot weld-induced distortion

Laser welding of metal/engineering ceramics

H. C. Man; K. K. Tse; T. M. Yue

LIACP 1990; D252-D260https://doi.org/10.2351/1.5059229

View Articletitled, Laser welding of metal/engineering ceramics

Optimizing the quality of TA6V and inconel laser welding on airplane part manufacturing

F. Coste; P. Aubry; S. Hertmanowski; H. Launais; T. Dubois; O. Demure; R. Fabbro

LIACP 1990; D261-D268https://doi.org/10.2351/1.5059230

View Articletitled, Optimizing the quality of TA6V and inconel laser welding on airplane part manufacturing

Adaptive quality control for laser beam welding

M. Dahmen; S. Kaierle; P. Abels; C. Kratzsch; E. W. Kreutz; R. Poprawe

LIACP 1990; D29-D38https://doi.org/10.2351/1.5059231

View Articletitled, Adaptive quality control for laser beam welding

Analysis of laser weld quality sensor signals by stepwise LDA

Afsar Ali; Dave Farson

LIACP 1990; D39-D48https://doi.org/10.2351/1.5059232

View Articletitled, Analysis of laser weld quality sensor signals by stepwise LDA

On-line monitoring of keyhole instabilities during laser beam welding

J. Beersiek

LIACP 1990; D49-D58https://doi.org/10.2351/1.5059233

View Articletitled, On-line monitoring of keyhole instabilities during laser beam welding

In-process monitoring of weld qualities using multi photo-sensor system in pulsed Nd:YAG laser welding

Takuo Ikeda; Tsuneaki Kojima; J. F. Tu; Etsuji Ohmura; Isamu Miyamoto; Tadashi Nagashima; Shuhou Tsubota; Takashi Ishide

LIACP 1990; D59-D66https://doi.org/10.2351/1.5059234

View Articletitled, In-process monitoring of weld qualities using multi photo-sensor system in pulsed Nd:YAG laser welding

Application of chromatic filtering to focus control and kerf width monitoring in pulsed Nd:YAG laser cutting

Chin-Man Chung; Tae Moon Jeong; Sung-Hoon Baik; Min-Suk Kim; Cheol-Jung Kim

LIACP 1990; D67-D72https://doi.org/10.2351/1.5059235

View Articletitled, Application of chromatic filtering to focus control and kerf width monitoring in pulsed Nd:YAG laser cutting

High-speed measurement of plasma temperature in CO₂ laser welding

Susumu Tsukamoto; Yoshikazu Asai; Hiromichi Tanaka; Tomohiko Shida

LIACP 1990; D73-D82https://doi.org/10.2351/1.5059236

View Articletitled, High-speed measurement of plasma temperature in CO<sub>2</sub> laser welding

Influence of oxide film on weld characteristics of mild steel in CO₂ laser welding

Kazuhiko Ono; Kaoru Adachi; Yasuichi Matsumoto; Isamu Miyamoto; Takashi Inoue; Ryuichi Narita

LIACP 1990; D83-D91https://doi.org/10.2351/1.5059237

View Articletitled, Influence of oxide film on weld characteristics of mild steel in CO<sub>2</sub> laser welding

Keyhole behavior for deep penetration laser welding

Remy Fabbro; Karim Chouf

LIACP 1990; D92-D101https://doi.org/10.2351/1.5059238

View Articletitled, Keyhole behavior for deep penetration laser welding

SECTION E – SENSING, MONITORING & MODELING

Real time weld quality monitoring of laser welded blanks – Weld profile monitoring

Meng-Yen Li, Ph.D.

LIACP 1990; E1-E8https://doi.org/10.2351/1.5059250

View Articletitled, Real time weld quality monitoring of laser welded blanks – Weld profile monitoring

Process and condition monitoring features incorporated in laser heads

H. K. Tönshoff; A. Ostendorf; Vincent Kral; Oliver Hillers

LIACP 1990; E109-D118https://doi.org/10.2351/1.5059239

View Articletitled, Process and condition monitoring features incorporated in laser heads

Finite element simulation for the planning of laser welding applications

G. Reinhart; B. Lenz; F. Rick

LIACP 1990; E119-E128https://doi.org/10.2351/1.5059240

View Articletitled, Finite element simulation for the planning of laser welding applications

Measurement and calculation of recoil pressure produced during CO₂ laser interaction with Ice

V. V. Semak; G. A. Knorovsky; D. O. MacCallum; D. R. Noble; M. Kanouff

LIACP 1990; E129-E137https://doi.org/10.2351/1.5059241

View Articletitled, Measurement and calculation of recoil pressure produced during CO<sub>2</sub> laser interaction with Ice

Haz hardness in laser beam welds

E. A. Metzbower; S. G. Lambrakos; H. K. D. H. Bhadeshia

LIACP 1990; E138-E145https://doi.org/10.2351/1.5059242

View Articletitled, Haz hardness in laser beam welds

Laser cutting with a Gaussian beam: “Da” or “Niet”?

V. V. Semak; E. J. Whitney

LIACP 1990; E146-E155https://doi.org/10.2351/1.5059243

View Articletitled, Laser cutting with a Gaussian beam: “Da” or “Niet”?

Prediction of the cross-sectional geometry of Nd:YAG laser welds in aluminum alloys

T. Forsman; C. Lampa; J. Powell; M. Magnusson

LIACP 1990; E156-E165https://doi.org/10.2351/1.5059244

View Articletitled, Prediction of the cross-sectional geometry of Nd:YAG laser welds in aluminum alloys

Marangony effect in deep penetration laser welding of steel

T. Fuhrich; P. Berger; H. Hügel

LIACP 1990; E166-E175https://doi.org/10.2351/1.5059245

View Articletitled, Marangony effect in deep penetration laser welding of steel

Weld strength and process controllability for laser welding of thin sheet metals

J. Du; J. Longobardi; W. P. Latham; A. Kar

LIACP 1990; E176-E185https://doi.org/10.2351/1.5059246

View Articletitled, Weld strength and process controllability for laser welding of thin sheet metals

Keyhole behavior during all position welding with high power Nd:YAG laser

Shigeki Fujinaga; Toru Narikiyo; Hiroo Takenaka; Seiji Katayama; Akira Matsunawa

LIACP 1990; E186-E194https://doi.org/10.2351/1.5059247

View Articletitled, Keyhole behavior during all position welding with high power Nd:YAG laser

High-speed simultaneous observation of plasma and keyhole behavior during high power CO₂ laser welding-effect of shielding gas on porosity formation

Naoki Seto; Seiji Katayama; Akira Matsunawa

LIACP 1990; E19-E27https://doi.org/10.2351/1.5059249

View Articletitled, High-speed simultaneous observation of plasma and keyhole behavior during high power CO<sub>2</sub> laser welding-effect of shielding gas on porosity formation

Investigations on cw CO₂-laser induced welding plasmas using differential interferometry

Henrik Schittenhelm; Jürgen Müller; Peter Berger; Helmut Hügel

LIACP 1990; E195-E204https://doi.org/10.2351/1.5059248

View Articletitled, Investigations on cw CO<sub>2</sub>-laser induced welding plasmas using differential interferometry

Detection of transition from keyhole-type to heat conduction-type welding in CO₂ laser welding of metals

Susumu Nakamura; Masaya Sakurai; Yoshiro Ito; Kenichi Kamimuki; Takashi Inoue

LIACP 1990; E28-E33https://doi.org/10.2351/1.5059251

View Articletitled, Detection of transition from keyhole-type to heat conduction-type welding in CO<sub>2</sub> laser welding of metals

In-process monitoring of penetration depth in 20kW-class CO₂ Laser welding of thick sections

Takashi Inoue; Isamu Miyamoto; Kazuhiko Ono; Kaoru Adachi; Yasuichi Matsumoto

LIACP 1990; E34-E42https://doi.org/10.2351/1.5059252

View Articletitled, In-process monitoring of penetration depth in 20kW-class CO<sub>2</sub> Laser welding of thick sections

Multivariable control of laser alloying of Ti6A14V

G. R. B. E. Römer; J. Meijer; R. G. K. M. Aarts

LIACP 1990; E43-E52https://doi.org/10.2351/1.5059253

View Articletitled, Multivariable control of laser alloying of Ti6A14V

Real-time monitoring of laser surface hardening of ferrous alloys

Zhiyue Xu; Keng H. Leong; Claude B. Reed

LIACP 1990; E53-E60https://doi.org/10.2351/1.5059254

View Articletitled, Real-time monitoring of laser surface hardening of ferrous alloys

Jet-like plasma formation in laser ablation of metals observed by nanosecond imaging technique in gases

Yoshiro Ito; Takashi Shimizu; Isamu Oguro; Shintaro Kijima

LIACP 1990; E61-E70https://doi.org/10.2351/1.5059255

View Articletitled, Jet-like plasma formation in laser ablation of metals observed by nanosecond imaging technique in gases

Applied methods of holographic interferometry for nondestructive dynamic structural characterization of an advanced ceramic component

Howard Fein

LIACP 1990; E71-E80https://doi.org/10.2351/1.5059256

View Articletitled, Applied methods of holographic interferometry for nondestructive dynamic structural characterization of an advanced ceramic component

Beam diagnostics for high power diode lasers

R. Kramer; H. Schwede; K. Hänsel

LIACP 1990; E81-E88https://doi.org/10.2351/1.5059257

View Articletitled, Beam diagnostics for high power diode lasers

Shearography as sensor to monitor and assist laser material processing

M. M. S. Gualini; H. Steinbichler

LIACP 1990; E89-E98https://doi.org/10.2351/1.5059258

View Articletitled, Shearography as sensor to monitor and assist laser material processing

Characterization of keyhole plasma in 20 kW-class CO₂ laser welding

Jay F. Tu; Isamu Miyamoto; Takashi Inoue; Etsuji Ohmura; Kazuhiko Ono; Kaoru Adachi; Yasuichi Matsumoto

LIACP 1990; E9-E18https://doi.org/10.2351/1.5059260

View Articletitled, Characterization of keyhole plasma in 20 kW-class CO<sub>2</sub> laser welding

Universal coaxial process control system for laser materials processing

Peter Abels; Stefan Kaierle; Christian Kratzsch; Reinhart Poprawe; Wolfgang Schulz

LIACP 1990; E99-E108https://doi.org/10.2351/1.5059259

View Articletitled, Universal coaxial process control system for laser materials processing

SECTION F – RAPID PROTOTYPING & SURFACE MODIFICTAION

Laser gas alloying of titanium - New possibilities for severe wear loaded components in aerospace and medicin

S. Bonss; B. Brenner; E. Beyer

LIACP 1990; F1-F10https://doi.org/10.2351/1.5059274

View Articletitled, Laser gas alloying of titanium - New possibilities for severe wear loaded components in aerospace and medicin

Effects of strain rate in laser forming

Wenchuan Li; Y. Lawrence Yao

LIACP 1990; F107-F116https://doi.org/10.2351/1.5059261

View Articletitled, Effects of strain rate in laser forming

Laser restoration of the medieval sculpture of the Cremona Cathedral

John F. Asmus

LIACP 1990; F11-F20https://doi.org/10.2351/1.5059263

View Articletitled, Laser restoration of the medieval sculpture of the Cremona Cathedral

Application of lasers in mold fabrication

Larry R. Dosser; Carl J. Kershner; David J. Haas

LIACP 1990; F117-F121https://doi.org/10.2351/1.5059262

View Articletitled, Application of lasers in mold fabrication

Direct fabrication of multiple material systems – Beginning to understand the issues associated with this technology advancement

D. M. Keicher; J. Love; W. D. Miller; J. E. Smugeresky

LIACP 1990; F122-F128https://doi.org/10.2351/1.5059264

View Articletitled, Direct fabrication of multiple material systems – Beginning to understand the issues associated with this technology advancement

Hardness, chemical and microstructural studies for laser-fabricated metal parts of graded materials

Franz-Josef Kahlen; Andreas von Klitzing; Aravinda Kar

LIACP 1990; F129-F137https://doi.org/10.2351/1.5059265

View Articletitled, Hardness, chemical and microstructural studies for laser-fabricated metal parts of graded materials

Feasibility and effects of producing high temperature/strength superalloyed solid parts through diode laser machining of metal/polymer composite material

A. Slocombe; L. Li

LIACP 1990; F138-F147https://doi.org/10.2351/1.5059266

View Articletitled, Feasibility and effects of producing high temperature/strength superalloyed solid parts through diode laser machining of metal/polymer composite material

Laser freeforming of nickel-aluminum bronze

Kenneth C. Meinert, Jr.; Eric J. Whitney

LIACP 1990; F148-F157https://doi.org/10.2351/1.5059267

View Articletitled, Laser freeforming of nickel-aluminum bronze

Recent developments in selective laser sintering of Zyrkon^TM EDM electrodes

Brent Stucker; Muni Malhotra; Xiuzhi Qu

LIACP 1990; F158-F161https://doi.org/10.2351/1.5059268

View Articletitled, Recent developments in selective laser sintering of Zyrkon<sup>TM</sup> EDM electrodes

Selective laser sythesis of TiC-Al₂O₃ composite through controlled solid state combustion

A. Slocombe; L. Li

LIACP 1990; F162-F171https://doi.org/10.2351/1.5059269

View Articletitled, Selective laser sythesis of TiC-Al<sub>2</sub>O<sub>3</sub> composite through controlled solid state combustion

The properties of free-form laser-consolidated stellite 6 alloy

L. Xue; J.-Y. Chen; M. U. Islam

LIACP 1990; F172-F181https://doi.org/10.2351/1.5059270

View Articletitled, The properties of free-form laser-consolidated stellite 6 alloy

Laser fabrication of discontinuously reinforced metal components

Joseph M. Kunze; Horst Gigerenzer; Chaolin Hu; Terence Feeley

LIACP 1990; F182-F188https://doi.org/10.2351/1.5059271

View Articletitled, Laser fabrication of discontinuously reinforced metal components

Fabrication of graded-boundary Cr/steel material by laser beam and electron beam

J. Y. Noh; J. M. Ahn; B. C. Kim; T. H. Kim

LIACP 1990; F189-F197https://doi.org/10.2351/1.5059272

View Articletitled, Fabrication of graded-boundary Cr/steel material by laser beam and electron beam

Laser formation of chip breaker onto sintered c-BN cutting insert for precision cutting

Hajime Miyazawa; Masao Murakawa

LIACP 1990; F198-F206https://doi.org/10.2351/1.5059273

View Articletitled, Laser formation of chip breaker onto sintered c-BN cutting insert for precision cutting

Laser wire cladding of aluminum alloy

P. H. Chong; H. C. Man; S. F. Chan

LIACP 1990; F207-F215https://doi.org/10.2351/1.5059275

View Articletitled, Laser wire cladding of aluminum alloy

Laser alloying of titanium alloy with a nitrogen jet

B. Medres; L. Shepeleva; M. Bamberger

LIACP 1990; F21-F29https://doi.org/10.2351/1.5059277

View Articletitled, Laser alloying of titanium alloy with a nitrogen jet

Laser surface cladding of SiC / Si₃N₄ on AA6061 aluminum alloy

H. C. Man; C. T. Kwok; T. M. Yue

LIACP 1990; F216-F224https://doi.org/10.2351/1.5059276

View Articletitled, Laser surface cladding of SiC / Si<sub>3</sub>N<sub>4</sub> on AA6061 aluminum alloy

On the advantages of nickel-base super-alloy laser cladding by direct powder injection

B. Medres; L. Shepeleva; M. Bamberger; A. Weisheit

LIACP 1990; F225-F232https://doi.org/10.2351/1.5059278

View Articletitled, On the advantages of nickel-base super-alloy laser cladding by direct powder injection

CO₂ laser heating of a ceramic coated nickel based superalloy

A. Pitman; P. Byrd; J. Kamalu

LIACP 1990; F233-F240https://doi.org/10.2351/1.5059279

View Articletitled, CO<sub>2</sub> laser heating of a ceramic coated nickel based superalloy

Wear resistance and impact resistance of hardfacing alloys: Laser cladding vs. hot isostatic pressing (HIP)

Yu Zhang; Yuan Xiangkai; Zeng Xianghua

LIACP 1990; F241-F251https://doi.org/10.2351/1.5059280

View Articletitled, Wear resistance and impact resistance of hardfacing alloys: Laser cladding vs. hot isostatic pressing (HIP)

Pioneering laser scanning system for hardening of turbine blades

M. Seifert; B. Brenner; F. Tietz; E. Beyer

LIACP 1990; F252-F261https://doi.org/10.2351/1.5059281

View Articletitled, Pioneering laser scanning system for hardening of turbine blades

Pulsed laser surface hardening of ferrous alloys

Zhiyue Xu; Claude B. Reed; Keng H. Leong; Boyd V. Hunter

LIACP 1990; F32-F38https://doi.org/10.2351/1.5059282

View Articletitled, Pulsed laser surface hardening of ferrous alloys

Laser glazing/cladding as chrome plating alternatives

Rob Hull; Dave Firsich; Chuck Woods; John Eric

LIACP 1990; F39-F48https://doi.org/10.2351/1.5059283

View Articletitled, Laser glazing/cladding as chrome plating alternatives

Refurbishment of aluminum alloys by laser cladding

Kenneth C. Meinert, Jr.; Patrick Bergan

LIACP 1990; F49-F57https://doi.org/10.2351/1.5059284

View Articletitled, Refurbishment of aluminum alloys by laser cladding

Laser cladding with continuous Ni-Al bronze wire feeding for repairing marine components

L. Xue; J.-Y. Chen; C. V. Hyatt; M. Islam

LIACP 1990; F58-F67https://doi.org/10.2351/1.5059285

View Articletitled, Laser cladding with continuous Ni-Al bronze wire feeding for repairing marine components

New innovations in direct metal laser sintering process - A step forward in rapid prototyping and manufacturing

T. Syvänen; O. Nyrhilä; J. Kotila; J.-E. Lind

LIACP 1990; F68-F76https://doi.org/10.2351/1.5059286

View Articletitled, New innovations in direct metal laser sintering process - A step forward in rapid prototyping and manufacturing

Symmetrical laser forming

J. Magee; K. G. Watkins; T. Hennige

LIACP 1990; F77-F86https://doi.org/10.2351/1.5059287

View Articletitled, Symmetrical laser forming

Laser forming - A new vocabulary for objects

S. Silve; B. Podschies; W. M. Steen; K. G. Watkins

LIACP 1990; F87-F96https://doi.org/10.2351/1.5059288

View Articletitled, Laser forming - A new vocabulary for objects

Analyses on laser forming of 0.063” thick titanium sheets

Kwok-On Tong

LIACP 1990; F97-F106https://doi.org/10.2351/1.5059289

View Articletitled, Analyses on laser forming of 0.063” thick titanium sheets