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ZJUS-A
Journal of Zhejiang University-SCIENCE A (Applied Physics & Engineering)  2007, Vol. 8 Issue (2 ): 2-    DOI: 10.1631/jzus.2007.A0176
    
Performance measurement of broadband, wide-angle polarizing beam splitter
CHEN Wei-bin, ZHENG Zhen-rong, GU Pei-fu, ZHANG Yue-guang
State Key Laboratory of Modern Optical Instrumentation, Zhejiang University, Hangzhou 310027, China
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Abstract  Polarizing beam splitter (PBS) is a critical optical component in projection display system because PBS performance greatly influences the contrast and brightness of the system. PBS performance is usually measured by spectrophotometer after coating and cementing, but the measured result cannot represent the actual performance in practice because people usually change the incident angle in one plane (horizontal plane) and do not consider the other plane (vertical plane). Geometrical polarization rotation occurring at reduced F-number influences the measuring precision of s-polarization transmittance (Ts) and p-polarization reflectance (Rp). A more accurate and practical way to measure the performance of broadband, wide-angle PBS is presented in this paper.

Key words： Polarizing beam splitter (PBS)      Projection display      Measurement      Contrast     
Received: 20 March 2006     
CLC:  O484.4  
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CHEN Wei-bin
ZHENG Zhen-rong
GU Pei-fu
ZHANG Yue-guang
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CHEN Wei-bin, ZHENG Zhen-rong, GU Pei-fu, ZHANG Yue-guang. Performance measurement of broadband, wide-angle polarizing beam splitter. Journal of Zhejiang University-SCIENCE A (Applied Physics & Engineering), 2007, 8(2 ): 2-.

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http://www.zjujournals.com/xueshu/zjus-a/10.1631/jzus.2007.A0176     OR     http://www.zjujournals.com/xueshu/zjus-a/Y2007/V8/I2 /2

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