Optical characterization of Er-doped glasses for solar-pumped laser applications

Takenobu Suzuki; Yasuyuki Iwata; Kohei Nogata; Shintaro Mizuno; Hiroshi Ito; Kazuo Hasegawa; Yasutake Ohishi

doi:10.1117/12.2003775

11 March 2013 Optical characterization of Er-doped glasses for solar-pumped laser applications

Takenobu Suzuki, Yasuyuki Iwata, Kohei Nogata, Shintaro Mizuno, Hiroshi Ito, Kazuo Hasegawa, Yasutake Ohishi

Proceedings Volume 8621, Optical Components and Materials X; 86211G (2013) https://doi.org/10.1117/12.2003775
Event: SPIE OPTO, 2013, San Francisco, California, United States

Abstract

Quantum efficiencies of Er³⁺-doped silicate, phosphate, tellurite and fluoride glasses have been examined under simulated sunlight excitation. The quantum efficiency of the whole emission bands was obtained as about 75 % for fluoride glass and about 2 % for silicate glass. The maximum quantum efficiency of the emission band at 1530 nm was about 35 % for fluoride glass and about 17 % for silicate glass. The product of the stimulated emission cross-section and the emission lifetime σ_stτ_f was about 46×10^-24 cm² sec for fluoride glass and about 54×10^-24 cm for silicate glass. These values are about 2–4 times larger than that of Nd-doped glasses.

Citation Download Citation

Takenobu Suzuki, Yasuyuki Iwata, Kohei Nogata, Shintaro Mizuno, Hiroshi Ito, Kazuo Hasegawa, and Yasutake Ohishi "Optical characterization of Er-doped glasses for solar-pumped laser applications", Proc. SPIE 8621, Optical Components and Materials X, 86211G (11 March 2013); https://doi.org/10.1117/12.2003775

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