Tunable optical filter based on liquid crystal Fabry-Perot etalon

Haixing Chen; Tengchao Huang; Weidong Shen; Haifeng Li; Peifu Gu

doi:10.1117/12.520285

12 May 2004 Tunable optical filter based on liquid crystal Fabry-Perot etalon

Haixing Chen, Tengchao Huang, Weidong Shen, Haifeng Li, Peifu Gu

Proceedings Volume 5280, Materials, Active Devices, and Optical Amplifiers; (2004) https://doi.org/10.1117/12.520285
Event: Asia-Pacific Optical and Wireless Communications, 2003, Wuhan, China

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.

Citation Download Citation

Haixing Chen, Tengchao Huang, Weidong Shen, Haifeng Li, and Peifu Gu "Tunable optical filter based on liquid crystal Fabry-Perot etalon", Proc. SPIE 5280, Materials, Active Devices, and Optical Amplifiers, (12 May 2004); https://doi.org/10.1117/12.520285

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