High-average-power laser medium based on silica glass

Yasushi Fujimoto; Masahiro Nakatsuka

doi:10.1117/12.375132

11 January 2000 High-average-power laser medium based on silica glass

Yasushi Fujimoto, Masahiro Nakatsuka

Proceedings Volume 3886, High-Power Lasers in Energy Engineering; (2000) https://doi.org/10.1117/12.375132
Event: Advanced High-Power Lasers and Applications, 1999, Osaka, Japan

Abstract

Silica glass is one of the most attractive materials for a high-average-power laser. We have developed a new laser material base don silica glass with zeolite method which is effective for uniform dispersion of rare earth ions in silica glass. High quality medium, which is bubbleless and quite low refractive index distortion, must be required for realization of laser action. As the main reason of bubbling is due to hydroxy species remained in the gelation same, we carefully choose colloidal silica particles, pH value of hydrochloric acid for hydrolysis of tetraethylorthosilicate on sol-gel process, and temperature and atmosphere control during sintering process, and then we get a bubble less transparent rare earth doped silica glass. The refractive index distortion of the sample also discussed.

Citation Download Citation

Yasushi Fujimoto and Masahiro Nakatsuka "High-average-power laser medium based on silica glass", Proc. SPIE 3886, High-Power Lasers in Energy Engineering, (11 January 2000); https://doi.org/10.1117/12.375132

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