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Second harmonic generator for obtaining an aberration free plane wave and information processing system using the same
Second harmonic generator for obtaining an aberration free plane wave and information processing system using the same
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机译:用于获得像差自由平面波的二次谐波发生器以及使用该二次谐波发生器的信息处理系统
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摘要
A second harmonic generator of the present invention utilizes Cerenkov radiation as a useful coherent short-wavelength light source. The second harmonic generator includes an aberration correction means to collimate the second harmonic to form a parallel plane wave having a high flatness. The aberration correction means is provided on an exit end face of a nonlinear waveguide which generates the second harmonic, and a glued cone prism, a cone prism having a conic exit end face changed in accordance with birefringence of the nonlinear waveguide, or a diffraction grating is used as the aberration correction means.
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