Proposal of snapshot line-imaging Fourier spectroscopy for smartphone
2015
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.
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