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High Speed Video Photography System Based on Principle of Optical Polarization
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TAN Xiuwen,HUA Xueming,LI Mengxing,YE Xin,WANG Fei
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(Welding Engineering Institute of Materials Science and Engineering,
Shanghai Jiaotong University, Shanghai 200240, China;
Shanghai Key Laboratory of Materials Laser Processing and Modification, Shanghai 200240, China)
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Abstract Through the selection of laser for backlight, this paper established a set of highspeed photography optical system based on light polarization principle. Considering the difference between arc shooting and droplet shooting, the system suppress the arc light using different ways based on the principle of optical polarization when there is a backlight or not. The system does a good job in the following welding practice.
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Received: 20 January 2010
Published: 27 January 2011
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