Efficient single-pass resonantly-pumped Ho:YAG laser

Ian Elder; Timothy Kendall

doi:10.1117/12.974285

14 November 2012 Efficient single-pass resonantly-pumped Ho:YAG laser

Ian Elder, Timothy Kendall

Proceedings Volume 8543, Technologies for Optical Countermeasures IX; 854307 (2012) https://doi.org/10.1117/12.974285
Event: SPIE Security + Defence, 2012, Edinburgh, United Kingdom

Abstract

A simple scheme for efficient generation of two micron laser radiation is reported. Using a thulium fibre laser to pump a Q-switched Ho:YAG laser 31.7 W of average output power is achieved with an M² of 1.5 (an optical-to-optical conversion efficiency of 67% in terms of absorbed pump power) at a wavelength of 2.1 μm. A single-pass pump geometry is used, eliminating the risk of feedback of unabsorbed light into the fibre laser.

Citation Download Citation

Ian Elder and Timothy Kendall "Efficient single-pass resonantly-pumped Ho:YAG laser", Proc. SPIE 8543, Technologies for Optical Countermeasures IX, 854307 (14 November 2012); https://doi.org/10.1117/12.974285

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