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Proceedings Paper

Tunable optical filter based on liquid crystal Fabry-Perot etalon
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Paper Abstract

The tunable optical filter used for WDM system was fabricated by employed the birefringence of liquid crystal. When the driver voltage changed, the refractive index of the liquid crystal was altered, which inverted to change the effective thickness of the cavity of the filter based on the Fabry-Perot etalon, so the peak of the transmittance was shifted and the filter achieved the tunable performance. The experiment result of the device was achieved to the tunable range from 1534.5nm to 1562.5nm and the full width of the half maximum is nearly 0.8nm and was in agreement with the design one.

Paper Details

Date Published: 12 May 2004
PDF: 5 pages
Proc. SPIE 5280, Materials, Active Devices, and Optical Amplifiers, (12 May 2004); doi: 10.1117/12.520285
Show Author Affiliations
Haixing Chen, Zhejiang Univ. (China)
Tengchao Huang, Zhejiang Univ. (China)
Weidong Shen, Zhejiang Univ. (China)
Haifeng Li, Zhejiang Univ. (China)
Peifu Gu, Zhejiang Univ. (China)

Published in SPIE Proceedings Vol. 5280:
Materials, Active Devices, and Optical Amplifiers
Connie J. Chang-Hasnain; Dexiu Huang; Yoshiaki Nakano; Xiaomin Ren, Editor(s)

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