| 弹性撞击速度的激光分束测量技术 |
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| 引用本文： | 张光军,田常津,何鹏. 弹性撞击速度的激光分束测量技术[J]. 高压物理学报, 1997, 11(2) |
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| 作者姓名： | 张光军 田常津 何鹏 |
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| 作者单位： | 中国工程物理研究院结构力学研究所 |
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| 摘 要： | 研制了一个激光分束测速系统。它由一台4mW He-Ne激光器，一个将单束激光分成10束相互平行的等间距（间距为5 mm）激光的分光器，一个高灵敏度、工作状态自检、可进行波形合成、10路接受、一路输出的光电接收转换装置，一台数字存贮示波器，以及微型计算机组成。可进行弹性撞击速度的测量。
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| 关 键 词： | 激光分束 速度测量 |
| 收稿时间： | 1996-05-08; |
THE PROJECTILE IMPACTING VELOCITY MEASUREMENT TECHNIQUE WITH SPLITTING LASER BEAMS |
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| Zhang Guangjun,Tian Changjin,He Peng. THE PROJECTILE IMPACTING VELOCITY MEASUREMENT TECHNIQUE WITH SPLITTING LASER BEAMS[J]. Chinese Journal of High Pressure Physics, 1997, 11(2) |
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| Authors: | Zhang Guangjun Tian Changjin He Peng |
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| Affiliation: | Southwest Institute of Structural Mechanics, Chengdu 610003, China |
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| Abstract: | We desinged and developed an element,which can split a single laser beam produced by a He Ne laser device of 4mV power into ten paralleled laser beams with an equal space distance of 5mm between each beam pair.We've developed a photo electric transformer,which is of high sensitivity,waveform synthesised and has a single output channel.When combined with the digital oscilloscope and personal computer,we have the system can be used to measure the impacting velocity of the projectile launched by a gas gun. |
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| Keywords: | laser beam splitter velocity measurement. |
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