Design and experimental research on a visible-near infrared spatial modulating Fourier transform spectrometer based on micro multi-step mirrors

Yu-xin Qin; Jing-qiu Liang; Zhong-zhu Liang; Chao Tian; Jin-guang Lü; Wei-biao Wang

doi:10.1007/s11801-014-3178-8

Optoelectronics Letters ›› 2014, Vol. 10 ›› Issue (3) : 172-175. DOI: 10.1007/s11801-014-3178-8

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Design and experimental research on a visible-near infrared spatial modulating Fourier transform spectrometer based on micro multi-step mirrors

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Abstract

A type of spatial modulating micro Fourier transform spectrometer (FTS) based on micro multi-step mirrors (MMSMs) is designed and manufactured in this paper. The interference system is based on Michelson interferometer, using two MMSMs instead of plane mirrors in two arms. The recovered spectrum is simulated with different distances between MMSMs and the detector, and the influence of diffraction on the recovered spectrum is analyzed. The edge-enlarging method for the MMSMs is proposed to eliminate edge noise, and the influence of surface roughness of MMSMs on the recovered spectrum is also analyzed. Moreover, the way of manufacturing the MMSMs is investigated.

Keywords

Surface Roughness / Beam Splitter / Spatial Modulate / Diffraction Effect / Michelson Interferometer

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Yu-xin Qin, Jing-qiu Liang, Zhong-zhu Liang, Chao Tian, Jin-guang Lü, Wei-biao Wang. Design and experimental research on a visible-near infrared spatial modulating Fourier transform spectrometer based on micro multi-step mirrors. Optoelectronics Letters, 2014, 10(3): 172‒175 https://doi.org/10.1007/s11801-014-3178-8

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This work has been supported by the National Natural Science Foundation of China (Nos.61027010 and 61376122), Jilin Province Science and Technology Development Plan (Nos.201205025 and 20130206010GX), Changchun Science and Technology Plan (No.11DJ03) and State Key Laboratory of Applied Optics Own Funds.