Performance comparison of SCHOTT laser glasses

Mark J. Davis; Joseph S. Hayden

doi:10.1117/12.884173

25 May 2011 Performance comparison of SCHOTT laser glasses

Mark J. Davis, Joseph S. Hayden

Proceedings Volume 8039, Laser Technology for Defense and Security VII; 803910 (2011) https://doi.org/10.1117/12.884173
Event: SPIE Defense, Security, and Sensing, 2011, Orlando, Florida, United States

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).

Citation Download Citation

Mark J. Davis and Joseph S. Hayden "Performance comparison of SCHOTT laser glasses", Proc. SPIE 8039, Laser Technology for Defense and Security VII, 803910 (25 May 2011); https://doi.org/10.1117/12.884173

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