产生高功率径向偏振光

V. P. Yakunin, A. Nesterov, V. Niziev
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引用次数: 28

摘要

在工业用高功率co2激光器中首次获得了1.8 kW的径向偏振辐射。采用轴向偏振选择性22%的特殊反射元件作为后视镜。输出辐射主要由非极化模式TEM00和径向极化模式R-TEM01*组成。光束在远场和近场测得的最大偏振度分别约为80%和90%。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Generation of a high-power radially polarized beam
Radially polarized radiation 1.8 kW was first obtained in an industrial high-power CO2-laser. Special reflective elements with axial polarization selectivity 22% were used as rear mirror in the laser. The output radiation consisted mainly of an unpolarized mode TEM00 and a radially polarized mode R-TEM01*. The maximum degree of polarization of the beam measured in the far and near field was about 80% and 90% correspondingly.
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