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Pulse-laser electroholography by use of interference fringe patterns captured by a CCD

机译:通过使用CCD捕获的干涉条纹图案进行脉冲激光电子全息照相

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Digital holography is combined with a pulse-laser electroholographic system for a real-time three-dimensional display. Owing to the one-dimensional characteristics of the Bragg-regime acousto-optic spatial-light modulator, vertical parallax cannot be generated from the acoustic signal propagating along the fan-shaped beam direction of the incident laser. To obtain a proper interference pattern, we attach a horizontal slit to the confocal lens system for recording the fringe data, significantly reducing the bandwidth of the vertical fringe data. When the bandwidth-reduced fringe data are displayed by use of a pulse-laser electroholographic system, the clarity and the quality of the image are found to be appreciably improved. (C) 2004 Optical Society of America.
机译:数字全息与脉冲激光电子全息系统相结合,可进行实时三维显示。由于布拉格制声光空间光调制器的一维特性,无法从沿入射激光器的扇形光束方向传播的声信号生成垂直视差。为了获得适当的干涉图样,我们在共焦透镜系统上附加了一条水平缝以记录条纹数据,从而大大减小了垂直条纹数据的带宽。当通过使用脉冲激光电子全息系统显示减小带宽的条纹数据时,发现图像的清晰度和质量明显改善。 (C)2004年美国眼镜学会。

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