Comparative study of Ho3+ doped yttria (yttrium oxide), LuAG, and YAG as gain media for eye-safe resonantly pumped lasers

Akil Word-Daniels; Alex Newburgh; Arockiasamy Michael; Larry Merkle; Mark Dubinskii

doi:10.1117/12.853922

4 May 2010 Comparative study of Ho³⁺ doped yttria (yttrium oxide), LuAG, and YAG as gain media for eye-safe resonantly pumped lasers

Akil Word-Daniels, Alex Newburgh, Arockiasamy Michael, Larry Merkle, Mark Dubinskii

Author Affiliations +

Proceedings Volume 7686, Laser Technology for Defense and Security VI; 76860F (2010) https://doi.org/10.1117/12.853922
Event: SPIE Defense, Security, and Sensing, 2010, Orlando, Florida, United States

Abstract

We present spectroscopic properties and lasing results of Ho³⁺-doped Yttria (Y₂O₃), LuAG (Lu₃Al₅O₁₂), and YAG (Y₃Al₅O₁₂) at wavelengths beyond 1.6 μm. High resolution measurements of absorption and stimulated emission cross sections of Ho³⁺ in these hosts from 77K to 300K are reported. Laser operation based on ⁵I₇ to ⁵I₈ transitions of Ho³⁺ in these hosts is demonstrated.

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Akil Word-Daniels, Alex Newburgh, Arockiasamy Michael, Larry Merkle, and Mark Dubinskii "Comparative study of Ho³⁺ doped yttria (yttrium oxide), LuAG, and YAG as gain media for eye-safe resonantly pumped lasers", Proc. SPIE 7686, Laser Technology for Defense and Security VI, 76860F (4 May 2010); https://doi.org/10.1117/12.853922

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