Compact fibre-laser-pumped Ho:YLF oscillator–amplifier system

被引：0
|
作者：
W. Koen
C. Bollig
H. Strauss
M. Schellhorn
C. Jacobs
M. J. D. Esser
机构：
[1] Council for Scientific and Industrial Research,National Laser Centre
[2] University of KwaZulu-Natal,French–German Research Institute
[3] University of Stellenbosch,undefined
[4] ISL,undefined
来源：
Applied Physics B | 2010年 / 99卷
关键词：
42.55.Xi; 42.60.Gd; 42.60.Da;
D O I：
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中图分类号：
学科分类号：
摘要：
We developed a compact Ho:YLF oscillator–amplifier system in a novel setup to utilise the unpolarised pump power from a fibre laser efficiently, and produced 21.3 mJ at 1 kHz, with an M2 better than 1.1. The amplified energies agreed well with the predicted values from a two dimensional rotational symmetric amplifier model that we developed. The model considers upconversion losses and ground-state depletion, as well as the spatial distribution of the pump beam.
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页码：101 / 106
页数：5
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