用于激光束组合的多千瓦非冷却密装光纤阵列

2019 IEEE Research and Applications of Photonics in Defense Conference (RAPID) Pub Date : 2019-08-01 DOI:10.1109/rapid.2019.8864386

L. Beresnev, A. Flores, R. Holten, A. Valenzuela, A. Taliaferro, A. Schweinsberg, K. Gurton, D. Ligon, C. Williamson, S. Bilyk

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引用次数: 1

摘要

测试了一组传输率为99.9%的光纤准直器，每通道功率为1.99 kW。利用内孔微透镜重定向高斯光束尾部，通过输出准直透镜处理截短辐射。截断范围为5-29%时，不需要冷却。远场光束质量M2 ~1.2。

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Multi-kW, Uncooled Densely Packed Fiber Array for Laser Beam Combining

An array of seven fiber collimators with transmission ~99.9% was tested with 1.99 kW per channel. Truncated radiation was disposed through output collimating lenses by re-directing Gaussian beam tails with interior holey micro-lenses. For range of truncation of 5-29% cooling was not necessary. Beam quality in the far-field M2 ~1.2.

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2019 IEEE Research and Applications of Photonics in Defense Conference (RAPID)

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