Over the past few years, a comprehensive rewrite of the American National Standard for Safe Use of Lasers (ANSI Z136.1) has been conducted [American National Standards Institute, Z136.1-2000 American National Standard for Safe Use of Lasers (American National Standards Institute, New York, 2000)]. Important parts of many laser safety evaluations are the determination of the maximum distance at which the laser presents a hazard and the computation of optical density requirements for eye protection. In the ANSI Z136.1-2000 Standard, two approaches for the computation of hazard distance are presented. We specifically address the derivation of these two methodologies including the effects of atmospheric attenuation and optically aided viewing. In addition, these methodologies may be applied to the computation of visual interference distance as described in the ANSI Z136.6-2000 Standard [American National Standards Institute, Z136.6-2000 American National Standard for Use of Lasers Outdoors (American National Standards Institute, New York, 2000)]. This publication represents the third in a series of tutorial articles designed to clarify laser hazard analysis procedures under these ANSI Standards [R. J. Thomas, B. A. Rockwell, W. J. Marshall, R. C. Aldrich, S. A. Zimmerman, and R. J. Rockwell, Jr., J. Laser Appl. 13, 134–140 (2001); 14, 57–66 (2002)].
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August 2004
Research Article|
August 25 2004
A procedure for the estimation of intrabeam hazard distances and optical density requirements under the ANSI Z136.1-2000 Standard
Robert J. Thomas;
Robert J. Thomas
Air Force Research Laboratory, Brooks AFB, Texas 78235-5215
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Benjamin A. Rockwell;
Benjamin A. Rockwell
Air Force Research Laboratory, Brooks AFB, Texas 78235-5215
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Wesley J. Marshall;
Wesley J. Marshall
USACHPPM, Aberdeen Proving Ground, Maryland 21010-5422
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Robert C. Aldrich;
Robert C. Aldrich
Dahlgren Division, Naval Surface Warfare Center, Dahlgren, Virginia 22448-5100
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Mary F. Gorschboth;
Mary F. Gorschboth
Dahlgren Division, Naval Surface Warfare Center, Dahlgren, Virginia 22448-5100
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Sheldon A. Zimmerman;
Sheldon A. Zimmerman
Dahlgren Division, Naval Surface Warfare Center, Dahlgren, Virginia 22448-5100
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R. James Rockwell, Jr.
R. James Rockwell, Jr.
Rockwell Laser Industries, Cincinnati, Ohio 45243
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Robert J. Thomas
Benjamin A. Rockwell
Wesley J. Marshall
Robert C. Aldrich
Mary F. Gorschboth
Sheldon A. Zimmerman
R. James Rockwell, Jr.
Air Force Research Laboratory, Brooks AFB, Texas 78235-5215
J. Laser Appl. 16, 167–177 (2004)
Article history
Received:
August 19 2003
Accepted:
January 06 2004
Citation
Robert J. Thomas, Benjamin A. Rockwell, Wesley J. Marshall, Robert C. Aldrich, Mary F. Gorschboth, Sheldon A. Zimmerman, R. James Rockwell; A procedure for the estimation of intrabeam hazard distances and optical density requirements under the ANSI Z136.1-2000 Standard. J. Laser Appl. 1 August 2004; 16 (3): 167–177. https://doi.org/10.2351/1.1771301
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