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Proceedings Paper

Proposal of snapshot line-imaging Fourier spectroscopy for smartphone
Author(s): Natsumi Kawashima; Shun Sato; Akane Ishida; Daichi Inohara; Naotaka Tanaka; Kenji Wada; Akira Nishiyama; Masaru Fujiwara; Ichiro Ishimaru
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Paper Abstract

We propose the extremely-compact-size line-imaging Fourier spectroscopy for smartphones. We realize the near common-path interferometer with strong robustness for mechanical vibrations by installing the transmission-type relative-inclined phase-shifter. The interferogram of an imaging line is formed as 2-dimensional fringe pattern on imaging sensor, such as CCD camera. In other words, the horizontal axis on an imaging sensor is assigned to phase-shift value. And the vertical axis is corresponds to image formation coordinate. Thus, by installing a relatively-inclined thin glass into imaging optics, such as smartphone, we will realize the line-imaging Fourier spectroscopy for healthcare sensor in daily-life environments.

Paper Details

Date Published: 12 March 2015
PDF: 8 pages
Proc. SPIE 9314, Optics and Biophotonics in Low-Resource Settings, 93140P (12 March 2015); doi: 10.1117/12.2078039
Show Author Affiliations
Natsumi Kawashima, Kagawa Univ. (Japan)
Shun Sato, Kagawa Univ. (Japan)
Akane Ishida, Kagawa Univ. (Japan)
Daichi Inohara, Kagawa Univ. (Japan)
Naotaka Tanaka, Kagawa Univ. (Japan)
Kenji Wada, Kagawa Univ. (Japan)
Akira Nishiyama, Kagawa Univ. (Japan)
Masaru Fujiwara, Kagawa Univ. (Japan)
Ichiro Ishimaru, Kagawa Univ. (Japan)


Published in SPIE Proceedings Vol. 9314:
Optics and Biophotonics in Low-Resource Settings
David Levitz; Aydogan Ozcan; David Erickson, Editor(s)

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