Modular snapshot multispectral-panchromatic imager (MSPI) with customized filter arrays

Xiaochang Yu, Jia Hao, Junzhuo Zhou, Yang Su, Shahid Karim, Yiting Yu

科研成果: 期刊稿件文章同行评审

8 引用 (Scopus)

摘要

As one of the simplest methods to construct snapshot spectral imagers, multispectral filter array (MSFA) has been applied to commercial miniatured spectral imagers. While most of them have fixed configurations of spectral channels, lacking flexibility and replaceability. Moreover, conventional MSFA only comprises filtering channels but lacks the panchromatic channel which is essential in detecting dim and indistinct objects. Here, we propose a modular assembly method for snapshot imager which can simultaneously acquire the object’s multispectral and panchromatic information based on a customized filter array. The multispectral-panchromatic filter array is batch fabricated and integrated with the imaging senor through a modular mode. Five-band spectral images and a broadband intensity image can be efficiently acquired in a single snapshot photographing. The efficacy and accuracy of the imager are experimentally verified in imaging and spectral measurements. Owing to the modular architecture, our proposed assembly method owns the advantages of compactness, simple assembling, rapid replacement, and customized designing, which overcomes the expensiveness and complexity of scientific-level snapshot spectral imaging systems.

源语言英语
页(从-至)1475-1485
页数11
期刊Optics Express
31
2
DOI
出版状态已出版 - 16 1月 2023

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