Optical Amplification in 45 Deg-cut BaTiO3.

机译：45°BaTiO3中的光放大。

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Two-wave coupling in Barium Titanate has been widely investigated because of the high gains predicted theoretically. In this report, optical scattering (or beam fanning) and its effects on two-wave coupling gain and image amplification are investigated for 45 deg -cut BaTiO3 crystals. Experimental set-ups for beam fanning, two-wave coupling, and image amplification were designed to investigate signal and image outputs versus time. During beam fanning testing, records of transmitted intensity of a single input beam versus time were obtained for various entrance angles, and input intensities. Pump and signal output beam powers versus time were recorded for two-wave coupling tests. Input pump beam powers of 10, 1.0, and 0.1 mW were tested at a wavelength of 514.5 nm. Signal input beam powers ranging from 1.0 to .001 mW were used. In image amplification tests, the Fourier transform and a minified image of a resolution chart were amplified via two-wave coupling. Data from beam fanning and two-wave coupling tests implied that the beam fanning of the pump beam has negligible effect on the two-wave coupling gain of the output signal. Keywords: Electrooptics, Theses. (rh)

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Keppler, K. S.;
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年度 1989
页码 1-83
总页数 83
原文格式 PDF
正文语种 eng
中图分类工业技术;
关键词
Amplification; Barium titanates; Electrooptics; Image intensification; Charts; Coupling(Interaction); Fourier transformation; Frequency; Gain; Images; Input; Intensity; Light scattering; Optical properties; Output; Resolution; Signals; Test and evaluation; Theses;

机译：扩增;钛酸钡;电光学;图像增强;图表;耦合（相互作用）;傅立叶变换;频率;增益;图像;输入;强度;光散射;光学特性;输出;分辨率;信号;测试和评估;论文;

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Optical Amplification in 45 Deg-cut BaTiO3.

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