Efficient holmium:yttrium lithium fluoride laser longitudinally pumped by a semiconductor laser array
- 24 August 1987
- journal article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 51 (8) , 564-565
- https://doi.org/10.1063/1.98348
Abstract
Optical pumping of a holmium:yttrium lithium fluoride (Ho:YLF) crystal with a 790-nm continuous-wave diode-laser array has generated 56 mW of 2.1 μm laser radiation with an optical-to-optical conversion slope efficiency of 33% while the crystal temperature is held at 77 K. The lasing threshold occurs at 7 mW of input power, and laser operation continues up to a crystal temperature of 124 K.Keywords
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