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Proceedings Paper

Performance comparison of SCHOTT laser glasses
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Paper Abstract

Laser performance measurements (quasi-CW) were made of various Nd-doped SCHOTT catalog laser glasses: LG-680, LG-750, LG-760, LG-770, APG-1, and APG-2; all but the first, a silicate, are phosphate glasses. Nominal Nd3+ doping was approximately 3 × 1020 ions/cm3. An end-pumped, laser diode geometry was used and input powers, pump pulse length, and pump rep-rates were kept low to avoid thermal lensing (4 W, 1 msec, and 0.1 Hz, respectively). As expected, the phosphate glasses performed better than the silicate glass. Slope efficiencies ranged from 25% for LG-680 up to nearly 33% for LG-760. APG-1, designed for high rep-rate, high-power systems, performed nearly the same in this particular configuration as glasses designed for high-energy applications (e.g., LG-770).

Paper Details

Date Published: 25 May 2011
PDF: 7 pages
Proc. SPIE 8039, Laser Technology for Defense and Security VII, 803910 (25 May 2011); doi: 10.1117/12.884173
Show Author Affiliations
Mark J. Davis, SCHOTT North America, Inc. (United States)
Joseph S. Hayden, SCHOTT North America, Inc. (United States)

Published in SPIE Proceedings Vol. 8039:
Laser Technology for Defense and Security VII
Mark Dubinskii; Stephen G. Post, Editor(s)

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