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Proceedings Paper

Efficient single-pass resonantly-pumped Ho:YAG laser
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Paper 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.

Paper Details

Date Published: 14 November 2012
PDF: 9 pages
Proc. SPIE 8543, Technologies for Optical Countermeasures IX, 854307 (14 November 2012); doi: 10.1117/12.974285
Show Author Affiliations
Ian Elder, SELEX Galileo Ltd. (United Kingdom)
Timothy Kendall, Defence Science and Technology Lab. (United Kingdom)

Published in SPIE Proceedings Vol. 8543:
Technologies for Optical Countermeasures IX
David H. Titterton; Mark A. Richardson, Editor(s)

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