Infrared and Laser Engineering, Volume. 48, Issue 5, 517006(2019)
Polarization evolution of radial vector field on double retarders
As an important optical device for changing the polarization state of an optical signal, a retarder has high polarization conversion accuracy, low cost, and simple algorithm. A new method was proposed for polarization modulation of radial vector optical field using a combination of a 1/4 wave plate and a 1/2 wave plate. The Jones matrix algorithm was used to analyze the modulation mechanism of the dual-wave plate. The polarization evolution law of the light field was represented on a Poincaré sphere, and the correctness of the theoretical analysis was verified through experiments. The results show that the dual retarder structure can realize complex polarization control of radial vector light field, and obtain a vector field with uniform light intensity distribution and regular polarization state distribution.
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He Wenjun, Jia Wentao, Wang Qi, Chen Kehan, Fu Yuegang. Polarization evolution of radial vector field on double retarders[J]. Infrared and Laser Engineering, 2019, 48(5): 517006
Received: Jan. 17, 2019
Accepted: Feb. 3, 2019
Published Online: Jun. 22, 2019
The Author Email: Wenjun He (hewenjun@cust.edu.cn)