Recent advances in phosphate laser glasses for high-power applications

John H. Campbell

doi:10.1117/12.245185

8 August 1996 Recent advances in phosphate laser glasses for high-power applications

John H. Campbell

Proceedings Volume 10286, Inorganic Optical Materials: A Critical Review; 1028602 (1996) https://doi.org/10.1117/12.245185
Event: SPIE's 1996 International Symposium on Optical Science, Engineering, and Instrumentation, 1996, Denver, CO, United States

Abstract

Recent advances in Nd-doped phosphate laser glasses for high-peak-power and high-average-power applications are reviewed. Compositional studies have progressed to the point that glasses can be tailored to have specific properties for specific applications. Non-radiative relaxation effects can be accurately modeled and empirical expressions have been developed to evaluate both intrinsic (structural) and extrinsic (contamination induced) relaxation effects. Losses due to surface scattering and bulk glass absorption have been carefully measured and can be accurately predicted. Improvements in processing have lead to high damage threshold (e.g. Pt inclusion free) and high thermal shock resistant glasses with improved edge claddings. High optical quality pieces up to 79 x 45 x 4cm³ have been made and methods for continuous melting laser glass are under development.

Citation Download Citation

John H. Campbell "Recent advances in phosphate laser glasses for high-power applications", Proc. SPIE 10286, Inorganic Optical Materials: A Critical Review, 1028602 (8 August 1996); https://doi.org/10.1117/12.245185

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