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Thermal-lens measurement in a side-pumped 1.3 μm Nd:YVO4 bounce laser

✍ Scribed by Masahito Okida; Akihiro Tonouchi; Masahide Itoh; Toyohiko Yatagai; Takashige Omatsu

Publisher
Elsevier Science
Year
2007
Tongue
English
Weight
291 KB
Volume
277
Category
Article
ISSN
0030-4018

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✦ Synopsis

We investigated thermal-lensing effects in a side-pumped 1.3 lm Nd:YVO 4 slab laser amplifier having a bounce geometry. The thermal-lens power during 1.3 lm laser action was 1.3-times larger than that without laser action. Excited-state absorption is the main cause for increased heat loading during laser operation. The heat-loading formula in end-pumped 1.3 lm vanadate lasers having low Nd doping can be extended to account for heat generation in diode-side-pumped vanadate bounce lasers having high Nd doping.

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