Geometrically tunable Fabry-Perot filters based on reflection phase shift of high contrast gratings

	Geometrically tunable Fabry-Perot filters based on reflection phase shift of high contrast gratings
	Fang, Liang 1; Shi, Zhendong 2; Cheng, Xin 1; Peng, Xiang 1; Zhang, Hui 1
	2017
关键词	Bandpass filters - Diffraction gratings - Fabry-Perot interferometers - Reflection - Ring lasers
卷号	10255
页码	102554O
英文摘要	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.
会议录	0277-786X
语种	英语
内容类型	会议论文
源URL	[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
推荐引用方式 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]. 见:.