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Proceedings Paper

20-watt output power Tm:YAG laser driver for HBr mid-IR laser
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Paper Abstract

A design, as well as verification measurements, are presented for an end pumped, 20 Watt output power, single frequency, Tm:YAG laser driver for pumping a HBr mid-IR laser. Efficient end pumping of the Tm:YAG is achieved by `close lens coupling' 15 Watt average power, room temperature, 785 nm diode bars to several Tm:YAG rods. The Tm:YAG laser is operated single frequency (injection seeded) in order to couple efficiently its output to the narrow absorption band of HBr. A 2 micron laser operating multi-line, but with a bandwidth less than 1 - 2 GHz, is also under consideration using a HBr laser with increased pump absorption characteristics obtained by increasing the pressure or by placing the HBr laser inside the 2 micron laser using intra-cavity 2 micron pumping.

Paper Details

Date Published: 31 March 1995
PDF: 7 pages
Proc. SPIE 2502, Gas Flow and Chemical Lasers: Tenth International Symposium, (31 March 1995); doi: 10.1117/12.204958
Show Author Affiliations
Dennis D. Lowenthal, Aculight Corp. (United States)
Charles E. Hamilton, Aculight Corp. (United States)
Steven Chase Tidwell, Aculight Corp. (United States)
Mark S. Bowers, Aculight Corp. (United States)
James J. Ewing, Aculight Corp. (United States)


Published in SPIE Proceedings Vol. 2502:
Gas Flow and Chemical Lasers: Tenth International Symposium
Willy L. Bohn; Helmut Huegel, Editor(s)

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