High-power diode-pumped Tm:YLF slab laser |
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| Authors: | M Schellhorn S Ngcobo and C Bollig |
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| Institution: | (1) French–German Research Institute, ISL, 5, rue du General Cassagnou, 68301 Saint-Louis, France;(2) National Laser Centre, Council for Scientific and Industrial Research, P.O. Box 395, Pretoria, 0001, South Africa |
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| Abstract: | A 2% Tm3+-doped LiYF4(Tm:YLF) slab is double-end-pumped by two laser diode stacks. The pumped volume has a rectangular cross section. The Tm:YLF
laser produced 148 W of continuos-wave output at 1912 nm in a beam with M
x
2≈199 and M
y
2≈1.7 for 554 W of incident pump power. The slope efficiency with respect to the incident pump power was 32.6%, and the optical-to-optical
efficiency was 26.7%. |
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| Keywords: | PACS" target="_blank">PACS 42 55 -f 42 55 Xi 42 60 Pk |
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