We demonstrate an all-fiber-amplifier, MOPA architecture supporting variable pulse repetition frequencies and pulse widths. The system operates at near infrared wavelengths of ∼1064 nm and supports pulse repetition frequencies up to 2 MHz and pulse widths as short as 2 ns. The amplifier output is polarized with a narrow spectral width and a diffraction limited spatial mode allowing efficient harmonic generation. Bulk LBO crystals are used to generate the second and third harmonic output. We have demonstrated average fundamental, second harmonic, and third harmonic powers of 66 W, 43 W, and 30 W, respectively. A turnkey system using this architecture is commercially available and has rated output powers slightly less than half these values. The system is entirely air-cooled and operates from a standard wall plug electric service, facilitating integration into various applications. Exemplary precision material processing applications will be discussed.
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International Laser Safety Conference
November 27–30, 1990
Cincinnati, Ohio, USA
ISBN:
978-0-912035-59-8
PROCEEDINGS PAPER
Versatile, nanosecond laser source for precision material processing
Manuel J. Leonardo;
Manuel J. Leonardo
1
Mobius Photonics Inc.
, 3350 Scott Blvd. #38, Santa Clara, CA 95054, USA
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Mark W. Byer;
Mark W. Byer
1
Mobius Photonics Inc.
, 3350 Scott Blvd. #38, Santa Clara, CA 95054, USA
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Gregory L. Keaton;
Gregory L. Keaton
1
Mobius Photonics Inc.
, 3350 Scott Blvd. #38, Santa Clara, CA 95054, USA
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Derek J. Richard;
Derek J. Richard
1
Mobius Photonics Inc.
, 3350 Scott Blvd. #38, Santa Clara, CA 95054, USA
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Frank J. Adams;
Frank J. Adams
1
Mobius Photonics Inc.
, 3350 Scott Blvd. #38, Santa Clara, CA 95054, USA
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Kiyomi Monro;
Kiyomi Monro
1
Mobius Photonics Inc.
, 3350 Scott Blvd. #38, Santa Clara, CA 95054, USA
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John L. Nightingale;
John L. Nightingale
1
Mobius Photonics Inc.
, 3350 Scott Blvd. #38, Santa Clara, CA 95054, USA
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Susi Guzsella;
Susi Guzsella
1
Mobius Photonics Inc.
, 3350 Scott Blvd. #38, Santa Clara, CA 95054, USA
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Laura A. Smoliar
Laura A. Smoliar
2
PepperTree Engineering
, 1600A, North Shoreline Blvd., Mountain View, CA 94043, USA
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Published Online:
November 01 2009
Citation
Manuel J. Leonardo, Mark W. Byer, Gregory L. Keaton, Derek J. Richard, Frank J. Adams, Kiyomi Monro, John L. Nightingale, Susi Guzsella, Laura A. Smoliar; November 27–30, 1990. "Versatile, nanosecond laser source for precision material processing." Proceedings of the International Laser Safety Conference. ICALEO® 2009: 28th International Congress on Laser Materials Processing, Laser Microprocessing and Nanomanufacturing. Cincinnati, Ohio, USA. (pp. pp. 868-873). ASME. https://doi.org/10.2351/1.5061656
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