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Geometrically tunable Fabry-Perot filters based on reflection phase shift of high contrast gratings
Fang, Liang1; Shi, Zhendong2; Cheng, Xin1; Peng, Xiang1; Zhang, Hui1
2017
Conference NameProceedings of SPIE: Selected Papers of the Chinese Society for Optical Engineering Conferences held October and November 2016
Source Publication0277-786X
Volume10255
Pages102554O
AbstractWe propose tunable Fabry-Perot filters constituted by double high contrast gratings (HCGs) arrays with different periods acting as reflectors separated by a fixed short cavity, based on high reflectivity and the variety reflection phase shift of HCG array which realize dynamic regulation of the filtering condition. Single optimized HCG obtains the reflectivity of higher than 99% in a grating period ranging from 0.68μm to 0.8μm across a bandwidth of 30nm near the 1.55μm wavelength. The filters can achieve the full width at half maximum (FWHM) of spectral line of less than 0.15nm, and the linear relationship of peak wavelengths and grating periods is established. The simulation results indicate a potential new approach to design a tunable narrowband transmission filter. © 2017 SPIE.
KeywordBandpass filters - Diffraction gratings - Fabry-Perot interferometers - Reflection - Ring lasers
Indexed ByEi
Language英语
EI Classification Number2017-2172
Document Type会议论文
Identifierhttp://ir.ioe.ac.cn/handle/181551/9040
Collection空天部
Affiliation1.Institute of Optics and Electronics, Chinese Academy of Science, Chengdu; 610209, China;
2.Southwest Institute of Technical Physics, Chengdu, Sichuan; 610041, China
Recommended Citation
GB/T 7714
Fang, Liang,Shi, Zhendong,Cheng, Xin,et al. Geometrically tunable Fabry-Perot filters based on reflection phase shift of high contrast gratings[C],2017:102554O.
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