Chinese Optics Letters, 2008, 6 (8): 568, Published Online: Sep. 2, 2008
Real-time measurement of the fast axis angle of a quarter-wave plate based on simultaneous phase shifting technique Download: 556次
偏振 1/4波片 快轴方位角 同步移相 120.0120 Instrumentation, measurement, and metrology 260.5430 Polarization 260.1440 Birefringence 050.5080 Phase shift
Abstract
Real-time measurement of the fast axis angle of a quarter-wave plate based on simultaneous phase shifting technique is presented. The simultaneous phase shifting function is realized by an orthogonal grating, a diaphragm, an analyzer array, and a 4-quadrant detector. The intensities of the light beams from the four analyzers with different azimuths are measured simultaneously. The fast axis angle of the quarter-wave plate is obtained through the four light intensity values. In this method, rotating elements are not required, so real-time measurement is achieved.
Kun Yang, Aijun Zeng, Xiangzhao Wang, Hua Wang, Feng Tang. Real-time measurement of the fast axis angle of a quarter-wave plate based on simultaneous phase shifting technique[J]. Chinese Optics Letters, 2008, 6(8): 568.