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Solar-pumped 80 W laser irradiated by a Fresnel lens

机译:菲涅耳透镜照射的太阳泵浦80 W激光

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摘要

A solar-pumped 100 W class laser that features high efficiency and low cost owing to the use of a Fresnel lens and a chromium codoped neodymium YAG ceramic laser medium was developed. A laser output of about 80 W was achieved with combination of a 4 m~(2) Fresnel lens and a pumping cavity as a secondary power concentrator. This output corresponds to 4.3percent of conversion efficiency from solar power into laser, and the maximum output from a unit area of Fresnel lens was 20 W/m~(2), which is 2.8 times larger than previous results with mirror-type concentrator.
机译:开发了一种太阳能泵浦100 W级激光器,该激光器由于使用菲涅耳透镜和铬共掺杂钕YAG陶瓷激光介质而具有高效率和低成本的特点。通过将4 m〜(2)菲涅耳透镜和作为辅助功率集中器的泵浦腔相结合,可获得约80 W的激光输出。该输出相当于从太阳能到激光的转换效率的4.3%,菲涅耳透镜的单位面积的最大输出为20 W / m〜(2),是以前使用镜面式聚光器的结果的2.8倍。

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