The wide-field Fourier spectroscopic-imaging of the radiation heat from the object itself in the middle infrared region for the health monitoring

Wei Qi; Takashi Takuma; Asuka Inui; Ryosuke Tsutsumi; Takehiko Yuzuriha; Hiroyasu Kagiyama; Daisuke Kojima; Akira Nishiyama; Ichirou Ishimaru

doi:10.1117/12.907703

2 February 2012 The wide-field Fourier spectroscopic-imaging of the radiation heat from the object itself in the middle infrared region for the health monitoring

Wei Qi, Takashi Takuma, Asuka Inui, Ryosuke Tsutsumi, Takehiko Yuzuriha, Hiroyasu Kagiyama, Daisuke Kojima, Akira Nishiyama, Ichirou Ishimaru

Author Affiliations +

Proceedings Volume 8229, Optical Diagnostics and Sensing XII: Toward Point-of-Care Diagnostics; and Design and Performance Validation of Phantoms Used in Conjunction with Optical Measurement of Tissue IV; 82291A (2012) https://doi.org/10.1117/12.907703
Event: SPIE BiOS, 2012, San Francisco, California, United States

Abstract

We are aiming at the realization of the wide-field spectroscopic-imaging-sensor that is available for the health monitoring or the plant factory. Conventionally, the body temperature is measured by the thermography as a total intensity of the middle infrared radiation. We are trying to analyze the spectroscopic characteristics of the radiation heat from the human body in detail to measure the blood glucose or the moisture-retaining properties of the human skin. The proposed imaging-type 2-dimensional Fourier spectroscopy can measure the radiation heat from the object itself with the wide field of view and the wide wavelength-band. In this proposed method, we install the phase-shifter on the optical Fourier-transform-plane of the imaging optics to give the arbitrary phase-shift to the half flux of the object beams. Thus, the interferogram can be formed on the imaging plane in each bright point by the phase-shift interference-phenomena between the object beams that are emitted from the each corresponding bright point on the objective surface. In this report, we mention the feasibility results of the wide-field spectroscopic-imaging using the black body for the basic optical evaluation and the house plants for measuring the glucose distribution with the infrared camera(wavelength: 8μm-14μm).

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Wei Qi, Takashi Takuma, Asuka Inui, Ryosuke Tsutsumi, Takehiko Yuzuriha, Hiroyasu Kagiyama, Daisuke Kojima, Akira Nishiyama, and Ichirou Ishimaru "The wide-field Fourier spectroscopic-imaging of the radiation heat from the object itself in the middle infrared region for the health monitoring", Proc. SPIE 8229, Optical Diagnostics and Sensing XII: Toward Point-of-Care Diagnostics; and Design and Performance Validation of Phantoms Used in Conjunction with Optical Measurement of Tissue IV, 82291A (2 February 2012); https://doi.org/10.1117/12.907703

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