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Proceedings Paper

Terahertz tunable narrow bandpass filter based on photonic crystal cavity
Author(s): Jinlong He; Pingan Liu; Yalan He; Zhi Hong
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Paper Abstract

We have fabricated high quality THz tunable bandpass filters based on one dimensional photonic crystal cavity. The filter have a high quality about 1500 and can have a very narrow passband and the full width at half maximum (FWHM) can be about 200MHz and the peak transmission is higher than -4dB. With the length of cavity adjusted by a motorized linear stage, the central frequency of the filter can be tuned continuously. The bandwidth and insertion loss is also analyzed theoretically.

Paper Details

Date Published: 14 March 2012
PDF: 5 pages
Proc. SPIE 8330, Photonics and Optoelectronics Meetings (POEM) 2011: Laser and Terahertz Science and Technology, 83300T (14 March 2012); doi: 10.1117/12.918785
Show Author Affiliations
Jinlong He, China Jiliang Univ. (China)
Pingan Liu, China Jiliang Univ. (China)
Yalan He, China Jiliang Univ. (China)
Zhi Hong, China Jiliang Univ. (China)


Published in SPIE Proceedings Vol. 8330:
Photonics and Optoelectronics Meetings (POEM) 2011: Laser and Terahertz Science and Technology
Jianquan Yao; X. C. Zhang; Dapeng Yan; Jinsong Liu, Editor(s)

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