Quantitative detection and analysis of two-dimensional modulation characteristics of vortex retarder based on PIE

Xiaomeng Sun; Xuejie Zhang; Cheng Liu; Xiao Liang; Jianqiang Zhu

doi:10.1117/12.2591379

28 February 2021 Quantitative detection and analysis of two-dimensional modulation characteristics of vortex retarder based on PIE

Xiaomeng Sun, Xuejie Zhang, Cheng Liu, Xiao Liang, Jianqiang Zhu

Author Affiliations +

Proceedings Volume 11781, 4th Optics Young Scientist Summit (OYSS 2020); 117810K (2021) https://doi.org/10.1117/12.2591379
Event: Optics Frontier: Optics Young Scientist Summit, 2020, Ningbo, China

Abstract

Vortex retarder is a simple and efficient method to generate vortex beams, and the detection of its modulation characteristics is of great significance for the preparation and application of vortex retarder. A quantitative measurement method for the two-dimensional modulation characteristics of vortex retarder based on PIE is presented. By using circularly polarized incident light, the modulation parameters of the vortex retarder are loaded into the beam phase. We report on the experimental demonstration that the high-precision reconstruction results can be achieved by applying the PIE complex amplitude measurements respectively before and after placing the vortex retarder. Based on the measurement result, the actual modulation effect of the measured vortex retarder to incident vector beam is obtained by the matrix operation and diffraction propagation. This method provides a simple and anti-interference means for quantitative detection of wave plates, liquid crystals and vortex beams.

Citation Download Citation

Xiaomeng Sun, Xuejie Zhang, Cheng Liu, Xiao Liang, and Jianqiang Zhu "Quantitative detection and analysis of two-dimensional modulation characteristics of vortex retarder based on PIE", Proc. SPIE 11781, 4th Optics Young Scientist Summit (OYSS 2020), 117810K (28 February 2021); https://doi.org/10.1117/12.2591379

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