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Study on Object Slight Displacement Measure Using Digital Image Hologram Method
Abstract:
Digital image hologram and double exposure method is used to measure displacement of an object in this paper, the intensity of object light has been increased effectively, the contrast of interference fringes has been improved, clear interference fringes has been gotten. A new method has been proposed that CCD and EALCD are applied in order to record the digital hologram and interference fringes, the drawback is avoided successfully that fixing, relocation and nonlinear recording of traditional hologram recording material are. Better experimental effect is achieved.
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278-281
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Online since:
August 2013
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© 2013 Trans Tech Publications Ltd. All Rights Reserved
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