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Electro-optic frame photography with pulsed ruby illumination

机译:脉冲红宝石照明的电光镜框摄影

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Abstract: ining the attributes of electro-optic shuttering and pulsed laser illumination in a large format camera system, we have developed a multi-frame image converter camera with a laser illuminator that produces sequential photographs of fast phenomena with very high resolution. The combination of the large size image plane (75 mm), short exposure time per frame (minimum 12 - 15 ns), and monochromatic laser illumination provides clear, sharp, front-lit images of surfaces and shapes with no degradation by luminous air shocks or motion blur. The unique modular design of the camera and the laser allow for a variety of configurations and applications. The current camera system produces eight independent pictures or four stereo pairs. A Q- switched ruby laser with multiple pulse capability provides individual illumination for each frame. This system has photographed a variety of fast phenomena including the first stereo sequential photographs of the initial formation and early time history of high velocity shaped-charge jets. !23
机译:摘要:为了解大型相机系统中的电光快门和脉冲激光照明的特性,我们开发了一种带激光照明器的多帧图像转换器相机,该相机可以以非常高的分辨率生成快速现象的连续照片。大尺寸图像平面(75 mm),每帧较短的曝光时间(最少12-15 ns)和单色激光照明相结合,可提供清晰,清晰,正面照明的表面和形状图像,而不会因发光空气冲击而劣化或运动模糊。摄像机和激光器的独特模块化设计可实现多种配置和应用。当前的相机系统产生八张独立的图片或四对立体声。具有多脉冲功能的Q开关红宝石激光器可为每个帧提供单独的照明。该系统已经拍摄了各种快速现象,包括高速定型射流的初始形成和早期历史的第一幅立体连续照片。 !23

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