Excited-state absorption and stimulated emission in Cr4+-doped oxide crystals

Stefan Kueck; S. Hartung; Kenneth L. Schepler; Klaus Petermann; Guenter Huber

doi:10.1117/12.293480

1 November 1997 Excited-state absorption and stimulated emission in Cr⁴⁺-doped oxide crystals

Stefan Kueck, S. Hartung, Kenneth L. Schepler, Klaus Petermann, Guenter Huber

Proceedings Volume 3176, Tunable Solid State Lasers; (1997) https://doi.org/10.1117/12.293480
Event: Tunable Solid State Lasers, 1996, Wroclaw, Poland

Abstract

Excited state absorption spectra of Cr⁴⁺-doped garnets and wurtzite-like crystals were measured between 400 nm and 2000 nm. In Cr⁴⁺:Y₃Al₅O₁₂, a strong polarization dependence of the excited state absorption is observed, while it diminishes for Cr⁴⁺:Y₃Sc_0.5Al_4.5O₁₂ and is almost not observed in Cr⁴⁺:Y₃Sc₂Ga₃O₁₂. FOr Cr⁴⁺:LiAlO₂ and Cr⁴⁺:LiGaO₂ the region of the emission is overlapped by excited state absorption and nonlaser oscillation at room temperature is expected.

Citation Download Citation

Stefan Kueck, S. Hartung, Kenneth L. Schepler, Klaus Petermann, and Guenter Huber "Excited-state absorption and stimulated emission in Cr⁴⁺-doped oxide crystals", Proc. SPIE 3176, Tunable Solid State Lasers, (1 November 1997); https://doi.org/10.1117/12.293480

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