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解决方案
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光纤原理介绍
发布:上海纳腾仪器有限公司浏览次数:667Laser interferometry has been generally accepted as a precision tool to obtain the velocity-versus-time profile of the moving surfaces of impact specimens. But most traditional laser interferometers require a source of long coherence length and high power to measure the low-velocity profile for impact specimens w1x, so it is not easy for these systems to measure it. Through theory analysis, which is first presented in the velocity interferometer system, a novel fiber-optic velocity interferometer for any reflector has been constructed successfully. Using it, the shocking velocity measures are accomplished for a Hopkinson bar under uniaxial stress loading. The results are in perfect agreement with the impedance match calculation. 全光纤多功能研发平台
2009-06-18相关仪器 -
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