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Specifications of an optical surface generator for nonlinear optical crystals of narrow phase matching angle acceptance

机译:窄相位匹配角接收非线性光学晶体的光学表面发生器的规格

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摘要

Nonlinear optical crystals can convert the wavelength of laser diode from infrared to green or blue. To achieve higher conversion efficiency, wave conversion devices using nonlinear crystals have to satify the phase matching condition. Generally the phase matching angle acceptance of nonlinear crystals is so narrow that it is very difficult to achieve the theoretical conversion efficiency. This paper investigates the theoretical angle acceptance of few kinds of organic nonlinear optical crystals. The narrowest angle acceptance was 0.0055°(λ=1064nm, L=10mm, power ratio 99%) of Chalcone TC-28.
机译:非线性光学晶体可以将激光二极管的波长从红外转换为绿色或蓝色。为了获得更高的转换效率,使用非线性晶体的波转换装置必须满足相位匹配条件。通常,非线性晶体的相位匹配角接受度太窄,以至于很难达到理论转换效率。本文研究了几种有机非线性光学晶体的理论角度接受度。 Chalcone TC-28的最窄角接受度为0.0055°(λ= 1064nm,L = 10mm,功率比99%)。

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