Characterization of filter spatial light modulator in optical correlator

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Department of Optical and Electronic Engineering, Ordnance Engineering College, Shijiazhuang 050003, China [1 ]
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Guangzi Xuebao | 2007年 / 9卷 / 1602-1605期
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摘要：
An approach of in-situ measuring the phase modulation property of a filter spatial light modulator was presented in which an image of Ronchi grating substituted for a concrete one. Its principle and testing method have been studied and a typical XGA2L11 spatial light modulator has been characterized. The measurement results were validated by correlation recognition experiment. The way could be applied in Vander Lugt correlator, and it doesn't need any extra independent test bed. The measurement results of the filter spatial light modulator consistent of its operational performance.
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