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Micro two-dimensional slit-array for super resolution beyond pixel Nyquist limits in grating spectrometers
M. B. Chi; X. X. Han; Y. Xu; H. M. Xing; Y. S. Liu and Y. H. Wu
2021
Source PublicationOptics Express
ISSN1094-4087
Volume29Issue:9Pages:13669-13680
AbstractThis paper presents a new micro 2-D slit-array device for spectral resolution enhancement in grating spectrometers. The 2-D slit-array is encoded in Hadamard matrix and the device is fabricated based on the micro-electromechanical system (MEMS) technology. By just using this 2-D slit-array to replace the single slit in the conventional grating spectrometer, real-time super spectral resolution detection beyond the pixel Nyquist limit, which is determined by the size of the detector pixel, can be realized. Furthermore, no other configuration of the spectrometer is changed, no movable parts are used, and the spectral range and instrument size remain almost unchanged while the resolution is improved. A series of experimental verifications for the feasibility of this design are included in this work. (C) 2021 Optical Society of America under the terms of the OSA Open Access Publishing Agreement.
DOI10.1364/oe.420552
URL查看原文
Indexed BySCI ; EI
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Document Type期刊论文
Identifierhttp://ir.ciomp.ac.cn/handle/181722/65415
Collection中国科学院长春光学精密机械与物理研究所
Recommended Citation
GB/T 7714
M. B. Chi,X. X. Han,Y. Xu,et al. Micro two-dimensional slit-array for super resolution beyond pixel Nyquist limits in grating spectrometers[J]. Optics Express,2021,29(9):13669-13680.
APA M. B. Chi,X. X. Han,Y. Xu,H. M. Xing,&Y. S. Liu and Y. H. Wu.(2021).Micro two-dimensional slit-array for super resolution beyond pixel Nyquist limits in grating spectrometers.Optics Express,29(9),13669-13680.
MLA M. B. Chi,et al."Micro two-dimensional slit-array for super resolution beyond pixel Nyquist limits in grating spectrometers".Optics Express 29.9(2021):13669-13680.
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