A continuous wave Fe:ZnSe laser pumped by efficient Er:Y2O3 laser

Jonathan W. Evans; Tigran Sanamyan; Patrick A. Berry

doi:10.1117/12.2079757

20 February 2015 A continuous wave Fe:ZnSe laser pumped by efficient Er:Y₂O₃ laser

Jonathan W. Evans, Tigran Sanamyan, Patrick A. Berry

Proceedings Volume 9342, Solid State Lasers XXIV: Technology and Devices; 93420F (2015) https://doi.org/10.1117/12.2079757
Event: SPIE LASE, 2015, San Francisco, California, United States

Abstract

Fe:ZnSe lasers have been pumped by several types of diode-pumped solid state laser, including Cr:Er:YSGG (2800 nm),¹ Cr:CdSe (2970 nm),² and Er:YAG (2698 nm,³ 2936 nm⁴). None of these sources has exceeded 1.5 W of true continuous-wave (CW) output power. In this work, we report demonstration of a CW Fe:ZnSe laser pumped by a 10 W Er:Y₂O₃ laser emitting at 2740 nm,⁵ which had not been previously attempted. The Er:Y₂O₃ pump laser was characterized with respect to propagation losses, beam quality, mode size, and pointing stability. It was determined that the limit of output power from the Fe:ZnSe laser was limited by the output stability of the pump laser. The Fe:ZnSe laser operated with < 22% slope efficiency and 800 mW output power was achieved at approximately 4050 nm.

Citation Download Citation

Jonathan W. Evans, Tigran Sanamyan, and Patrick A. Berry "A continuous wave Fe:ZnSe laser pumped by efficient Er:Y₂O₃ laser", Proc. SPIE 9342, Solid State Lasers XXIV: Technology and Devices, 93420F (20 February 2015); https://doi.org/10.1117/12.2079757

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