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期刊论文
Measurement of 3-Ddisplacement of cambered mirror of cryogenic optical system using white light speckle method
Optics and Lasers in Engineering 43(2005)1127-1136,-0001,():
We report a method measuring 3-Ddisplacement of cambered mirror for cryogenic optical system using white light speckle photography with double light sources and double cameras. Data acquiring and processing based on a digital image processing system is described. The 3-Ddisplacement and displacement vector distributions in two low-temperature ranges are measured.
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