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Proceedings Paper

Wideband reflector and bandpass filter by using a Ge subwavelength periodic membrane
Author(s): Tian Sang; Tuo Cai; Xiaowei Zhang; Sanhong Ding; Shaohong Cai; Zhanshan Wang
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Paper Abstract

Wideband reflector and bandpass filter are obtained by using a Ge subwavelength periodic membrane with the thickness kept constant at 3.20 μm. The strong refractive-index modulation of the Ge subwavelength periodic membrane yields increased bandwidth of the leaky mode resonances, thus the excitation of the leaky mode resonances TE1,1, TE2,1, and TE3,0 may interact to form a broad reflection band or a transmission passband near λ=10.60 μm.

Paper Details

Date Published: 18 February 2011
PDF: 4 pages
Proc. SPIE 7995, Seventh International Conference on Thin Film Physics and Applications, 79950W (18 February 2011); doi: 10.1117/12.888278
Show Author Affiliations
Tian Sang, Qiannan Normal College for Nationalities (China)
Tuo Cai, Qiannan Normal College for Nationalities (China)
Xiaowei Zhang, Qiannan Normal College for Nationalities (China)
Sanhong Ding, Qiannan Normal College for Nationalities (China)
Shaohong Cai, Guizhou College of Finance and Economics (China)
Zhanshan Wang, Tongi Univ. (China)


Published in SPIE Proceedings Vol. 7995:
Seventh International Conference on Thin Film Physics and Applications
Junhao Chu; Zhanshan Wang, Editor(s)

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