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Proceedings Paper

Fiber amplifier based UV laser source
Author(s): Manuel J. Leonardo; Mark W. Byer; Gregory L. Keaton; Derek J. Richard; Frank J. Adams; John L. Nightingale; Mark A. Arbore; Susi Guzsella; Laura A. Smoliar
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Paper Abstract

We demonstrate 30 W of average UV power, at 353 nm, by harmonically converting the output of a seeded cascade of fiber amplifiers operating at 1060 nm. The UV output represents 46% harmonic conversion efficiency from the fundamental beam. The all-fiber-amplifier, MOPA architecture supports variable pulse repetition frequencies and pulse widths. We demonstrate pulse repetition frequencies up to 2 MHz and pulse widths as short as 2 ns. Two bulk LBO crystals, oriented for second and third harmonic conversion, are used to obtain stable UV output power. A turnkey system using this architecture is commercially available. The system is entirely air-cooled and operates from a standard wall plug electric service, facilitating integration into various material processing applications.

Paper Details

Date Published: 19 February 2009
PDF: 10 pages
Proc. SPIE 7195, Fiber Lasers VI: Technology, Systems, and Applications, 71950F (19 February 2009); doi: 10.1117/12.806820
Show Author Affiliations
Manuel J. Leonardo, Mobius Photonics, Inc. (United States)
Mark W. Byer, Mobius Photonics, Inc. (United States)
Gregory L. Keaton, Mobius Photonics, Inc. (United States)
Derek J. Richard, Mobius Photonics, Inc. (United States)
Frank J. Adams, Mobius Photonics, Inc. (United States)
John L. Nightingale, Mobius Photonics, Inc. (United States)
Mark A. Arbore, Mobius Photonics, Inc. (United States)
Susi Guzsella, Mobius Photonics, Inc. (United States)
Laura A. Smoliar, Mobius Photonics, Inc. (United States)

Published in SPIE Proceedings Vol. 7195:
Fiber Lasers VI: Technology, Systems, and Applications
Denis V. Gapontsev; Dahv A. Kliner; Jay W. Dawson; Kanishka Tankala, Editor(s)

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