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Development status and prospects of large diameter Fresnel lens mould machining

GUAN Jialiang①,CHEN Zhide①,CAO Chengguo②,WANG Wenchang①(①College of Mechanical and Electronic Application,Beijing University of Technology,Beijing 100124,CHN;②Beijing Precision Machinery & Engineering Research Co.,Ltd.,Beijing 101312,CHN)  
The development of large diameter Fresnel lens mould is deeply analyzed and further development of large diameter Fresnel lens is discussed detailedly.
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