Wave-plate phase shifting method

Zhigang Zhang; Qingchuan Zhang; Teng Cheng; Jie Gao; Xiaoping Wu

doi:10.1117/1.OE.52.10.103109

14 October 2013 Wave-plate phase shifting method

Zhigang Zhang, Qingchuan Zhang, Teng Cheng, Jie Gao, Xiaoping Wu

Author Affiliations +

Optical Engineering, Vol. 52, Issue 10, 103109 (October 2013). https://doi.org/10.1117/1.OE.52.10.103109

Abstract

This paper proposes a new phase shifting method: wave-plate phase shifting method. By different combinations of a quarter-wave-plate, a half-wave-plate, and an analyzer, phase delays are introduced in the interference light path in order to achieve the phase shifting digital holography. Theoretical analysis, numerical simulation, and experiments are conducted to verify the validity of this method. The numerical simulation shows that the result of the wave-plate phase shifting method is consistent with that of the traditional four-step phase shifting method. The experimental results successfully reconstruct the object light intensity in the image plane. Based on the wave-plate phase shifting method, a pixelated wave-plate array structure is designed to achieve real-time phase shifting digital holography. The wave-plate array phase shifting method not only can reconstruct object image of high quality, but also can be used in dynamic phase measurement. Therefore, pixelated wave-plate array structure and wave-plate array phase shifting method could be widely used in practical applications.

Citation Download Citation

Zhigang Zhang, Qingchuan Zhang, Teng Cheng, Jie Gao, and Xiaoping Wu "Wave-plate phase shifting method," Optical Engineering 52(10), 103109 (14 October 2013). https://doi.org/10.1117/1.OE.52.10.103109

Published: 14 October 2013

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