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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
会议名称Proceedings of SPIE: Selected Papers of the Chinese Society for Optical Engineering Conferences held October and November 2016
会议录名称0277-786X
卷号10255
页码102554O
摘要We 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.
关键词Bandpass filters - Diffraction gratings - Fabry-Perot interferometers - Reflection - Ring lasers
收录类别Ei
语种英语
EI分类号2017-2172
文献类型会议论文
条目标识符http://ir.ioe.ac.cn/handle/181551/9040
专题空天部
作者单位1.Institute of Optics and Electronics, Chinese Academy of Science, Chengdu; 610209, China;
2.Southwest Institute of Technical Physics, Chengdu, Sichuan; 610041, China
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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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