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| Measurement Methods of Fresnel Lens Optical Landing System Based on Imaging Illumination Detection |
| TANG Cui-rong,WU Wen-bin,ZUO Yong,XU Yong |
| Changcheng Institute of Metrology & Measurement, Beijing 100095, China |
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Abstract In order to resolve the problem of measuring the Fresnel Lens optical landing system,a measurement method which is based on imaging illumination detection is proposed. According to the analysis of the measurement requirement, an imaging illumination detector is designed. Experiment results show that such detector, has high measuring speed and eliminate background light interference characteristics, can measure the luminous intensity of fresnel lens optical system which has long-distance and large divergence angle and meet the requirement of the measurement detector.
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2014, Vol. 35 
