Design of high-index-contrast grating as quarter-wave plates

JiaJian Zheng; Xiaoying Liu; Zhijun Yan; Xi Zhang; Shuailong Yang

doi:10.1117/12.2524000

10 May 2019 Design of high-index-contrast grating as quarter-wave plates

JiaJian Zheng, Xiaoying Liu, Zhijun Yan, Xi Zhang, Shuailong Yang

Proceedings Volume 11068, Second Symposium on Novel Technology of X-Ray Imaging; 110680W (2019) https://doi.org/10.1117/12.2524000
Event: Second Symposium on Novel Technology of X-Ray Imaging, 2018, Hefei, China

Abstract

This paper focuses on the quarter-wave plate design based on subwavelength high-index-contrast grating (HCG). The relationship among the equivalent refractive index of the HCG, the duty cycle of grating and the incident wavelength was obtained with the theory of effective medium and rigorous coupled wave analysis. By selecting the parameters and using the iterative algorithm proposed in this paper, quarter-wave plates with excellent performance can be obtained.

Citation Download Citation

JiaJian Zheng, Xiaoying Liu, Zhijun Yan, Xi Zhang, and Shuailong Yang "Design of high-index-contrast grating as quarter-wave plates", Proc. SPIE 11068, Second Symposium on Novel Technology of X-Ray Imaging, 110680W (10 May 2019); https://doi.org/10.1117/12.2524000

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