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Proceedings Paper • new

Simulation of polarization-dependent film with subwavelength nano-hole array
Author(s): Yue Yu; Dong Wei; Huabao Long; Zhaowei Xin; Xinyu Zhang; Haiwei Wang; Changsheng Xie
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Paper Abstract

When lightwave passes through a metal thin film with a periodic subwavelength hole arrays structure, its transmittance is significantly improved in the partial band compared to other wavelength. Changing the size of the hole, the period or metal material, will make the transmission curve different. Here, we add a layer of dielectric material on the surface of the metal film, such as liquid crystal(LC), by controlling voltage on LC to change the refractive index of this layer, then we can change the transmission curve, and achieve using voltage to move the transmission curve. When there is need for polarization, the holes can be made of a rectangle whose length and width are different or other shapes, for different polarization state of the light, and the film will display different transmission characteristics.

Paper Details

Date Published: 19 February 2018
PDF: 6 pages
Proc. SPIE 10607, MIPPR 2017: Multispectral Image Acquisition, Processing, and Analysis, 1060707 (19 February 2018); doi: 10.1117/12.2286330
Show Author Affiliations
Yue Yu, Huazhong Univ. of Science and Technology (China)
Dong Wei, Huazhong Univ. of Science and Technology (China)
Huabao Long, Shanghai Aerospace Control Technology Institute (China)
Zhaowei Xin, Huazhong Univ. of Science and Technology (China)
Xinyu Zhang, Huazhong Univ. of Science and Technology (China)
Haiwei Wang, Huazhong Univ. of Science and Technology (China)
Changsheng Xie, Huazhong Univ. of Science and Technology (China)


Published in SPIE Proceedings Vol. 10607:
MIPPR 2017: Multispectral Image Acquisition, Processing, and Analysis
Xinyu Zhang; Jun Zhang; Hongshi Sang, Editor(s)

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