Spectroscopic properties, energy transfer dynamics, and laser performance of thulium-holmium laser systems

Yehoshua Y. Kalisky; Stanley R. Rotman; Georges Boulon; Christian Pedrini; Alain Brenier

doi:10.1117/12.181358

27 July 1994 Spectroscopic properties, energy transfer dynamics, and laser performance of thulium-holmium doped laser systems

Yehoshua Y. Kalisky, Stanley R. Rotman, Georges Boulon, Christian Pedrini, Alain Brenier

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Proceedings Volume 2138, Longer Wavelength Lasers and Applications; (1994) https://doi.org/10.1117/12.181358
Event: OE/LASE '94, 1994, Los Angeles, CA, United States

Abstract

Spectroscopic studies using laser induced fluorescence and numerical modelling of energy transfer and back transfer mechanism are reported in Er:Tm:Ho:YLF, Cr:Tm:Ho:YAG and Cr:Tm:YAG laser crystals at various temperatures (10 K - 300 K). Direct energy transfer from Tm³⁺ excited states to Ho³⁺ ⁵I₇ emitting level was observed and analyzed both in YAG and YLF. Further analysis of Cr³⁺ and Tm³⁺ time-dependent emission curves indicate a strong correlation of chromium- thulium pairs. Pulsed operation of holmium laser at high temperature will be presented.

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Yehoshua Y. Kalisky, Stanley R. Rotman, Georges Boulon, Christian Pedrini, and Alain Brenier "Spectroscopic properties, energy transfer dynamics, and laser performance of thulium-holmium doped laser systems", Proc. SPIE 2138, Longer Wavelength Lasers and Applications, (27 July 1994); https://doi.org/10.1117/12.181358

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