Mid-infrared (long-wave infrared) passive spectroscopic imaging with an uncooled micro-bolometer array sensor: background correction using Planck’s law as a basis function for general purposes such as noninvasive blood glucose sensing and remote sensing

Shiori Tahara; Yusuke Morimoto; So Yamashita; Daichi Anabuki; Tomoya Kitazaki; Akira Nishiyama; Kenji Wada; Ichiro Ishimaru

doi:10.1117/12.2636110

2 November 2022 Mid-infrared (long-wave infrared) passive spectroscopic imaging with an uncooled micro-bolometer array sensor: background correction using Planck’s law as a basis function for general purposes such as noninvasive blood glucose sensing and remote sensing

Shiori Tahara, Yusuke Morimoto, So Yamashita, Daichi Anabuki, Tomoya Kitazaki, Akira Nishiyama, Kenji Wada, Ichiro Ishimaru

Author Affiliations +

Proceedings Volume 12271, Electro-optical and Infrared Systems: Technology and Applications XIX; 122710Q (2022) https://doi.org/10.1117/12.2636110
Event: SPIE Security + Defence, 2022, Berlin, Germany

Abstract

We developed a mid-infrared passive spectroscopic imaging apparatus that uses an uncooled micro-bolometer array sensor as a light-receiving device. This apparatus makes it possible to acquire component information such as that of glucose directly emitted from the skin without a light source. However, it is difficult to obtain the background for spectroscopic measurements inside the human body. In this paper, we propose a background correction method for calculating the spectral characteristics from the acquired spectral emission intensity. The proposed method estimates the emitted light through a fitting calculation using Planck’s law as a basis function.

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Shiori Tahara, Yusuke Morimoto, So Yamashita, Daichi Anabuki, Tomoya Kitazaki, Akira Nishiyama, Kenji Wada, and Ichiro Ishimaru "Mid-infrared (long-wave infrared) passive spectroscopic imaging with an uncooled micro-bolometer array sensor: background correction using Planck’s law as a basis function for general purposes such as noninvasive blood glucose sensing and remote sensing", Proc. SPIE 12271, Electro-optical and Infrared Systems: Technology and Applications XIX, 122710Q (2 November 2022); https://doi.org/10.1117/12.2636110

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