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Graded-reflectivity mirror based on a volume phase hologram in a photopolymer film

机译:基于光聚合物薄膜中体积相全息图的渐变反射镜

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Graded-reflectivity mirrors for 1064-nm wavelength have been fabricated by use of volume phase bolo-grams recorded in photopolymer films. A method for producing such holograms for the 1064-nm radiation by use of a 532-nm light source with a short (0.1-mm) coherence length was developed. The measured peak reflectivity of the mirror reached 95%, and its super-Gaussian profile well matched that calculated based on coupled-mode theory. The mirror can withstand a peak power density greater that 10↑(8) W/cm↑(2). This method can also be used for fabricating deflectors that direct an incident beam to any specified angle other than the angle of reflection. #1998 Optical Society of America OCIS codes: 090.1970, 090.2890, 230.4040, 050.7330, 160.2900, 230.1480.
机译:通过使用记录在光敏聚合物薄膜中的体相波谱图,可以制得1064 nm波长的渐变反射镜。开发了一种通过使用具有短(0.1 mm)相干长度的532 nm光源为1064 nm辐射生成此类全息图的方法。测得的反射镜的峰值反射率达到95%,其超高斯轮廓与基于耦合模式理论计算的轮廓非常匹配。镜子可承受的峰值功率密度大于10↑(8)W / cm↑(2)。该方法还可以用于制造将入射光束引导到除反射角以外的任何指定角度的偏转器。 #1998美国光学学会OCIS代码:090.1970、090.2890、230.4040、050.7330、160.2900、230.1480。

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