Optical excitation of the 5I6 level in an Yb:Ho:YLF crystal

Hans Marthaler; I. Dohnke; Willy A.R. Luethy; Jurg Hulliger; Heinz P. Weber

doi:10.1117/12.537673

14 November 2003 Optical excitation of the ⁵I₆ level in an Yb:Ho:YLF crystal

Hans Marthaler, I. Dohnke, Willy A.R. Luethy, Jurg Hulliger, Heinz P. Weber

Author Affiliations +

Proceedings Volume 5147, ALT'02 International Conference on Advanced Laser Technologies; (2003) https://doi.org/10.1117/12.537673
Event: ALT'02 International Conference on Advanced laser Technologies, 2002, Adelboden, Switzerland

Abstract

The optical excitation of the I6 level in Yb:Ho:YLF is studied. Pumping with a wavelength of 953 urn populates the 2F572 upper level of yi3+fromwhere the energy is efficiently transferred to the '6upper laser level ofHo3. Pumping is performed with a Ti:sapphire laser. Based on the measured rise times and decay times of the fluorescence from the y3 2F level, the Ho3 5S2 and '6 levels the cross relaxation coefficients w yi3+ 2F512 + Ho3 '8 —3 y132F712 + Ho3 '6), w (Ho3I6+ Ho3 '6 Ho3 5S2 +Ho3 '8) and w 2F512 + Ho3I8 y3 2F712 + Ho3 5S2) as well as the ESA cross-section o6 (Ho3 '6 — H35S2) are estimated with the aid of a numerical analysis

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Hans Marthaler, I. Dohnke, Willy A.R. Luethy, Jurg Hulliger, and Heinz P. Weber "Optical excitation of the ⁵I₆ level in an Yb:Ho:YLF crystal", Proc. SPIE 5147, ALT'02 International Conference on Advanced Laser Technologies, (14 November 2003); https://doi.org/10.1117/12.537673

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