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Snapshot imaging spectrometer based on a microlens array

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Abstract

This Letter proposes a snapshot imaging spectrometer, which obtains the spectral information and spatial information in one “shot”. The device proposed can achieve the data cube size of 21×29×40 in the waveband of 400–800 nm. The core element of this system is the microlens array, which contains 60×60 microlenses in a square arrangement, each microlens has an aperture of 125 μm×125 μm, and the F number is 15. The microlens array is mounted in a rotation mount, which provides 360° of rotation around the optical axis to maximize the spectral resolution. The final resolution of the system is about 10 nm.

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DOI:10.3788/col201917.011101

所属栏目:Imaging systems

收稿日期:2018-08-15

录用日期:2018-11-12

网络出版日期:2018-12-27

作者单位    点击查看

Zexia Zhang:School of Optics and Photonics, Beijing Institute of Technology, Beijing 100081, China
Jun Chang:School of Optics and Photonics, Beijing Institute of Technology, Beijing 100081, China
Hongxi Ren:School of Optics and Photonics, Beijing Institute of Technology, Beijing 100081, China
Kaiyuan Fan:School of Optics and Photonics, Beijing Institute of Technology, Beijing 100081, China
Dongmei Li:University of Chinese Academy of Sciences, Beijing 100853, ChinaInstitute of Semiconductors, Chinese Academy of Sciences, Beijing 100083, China

联系人作者:Jun Chang(optics_chang@126.com)

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引用该论文

Zexia Zhang, Jun Chang, Hongxi Ren, Kaiyuan Fan, Dongmei Li, "Snapshot imaging spectrometer based on a microlens array," Chinese Optics Letters 17(1), 011101 (2019)

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