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Proceedings Paper

Real-time polarimeter with a form-birefringent micro retarder array
Author(s): Hisao Kikuta; Hisashi Haccho; Koichi Iwata; Tetsuya Hamamoto; Hiroshi Toyota; Tsutomu Yotsuya
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Paper Abstract

We present the real time polarimeter with a micro retarder array consisting of subwavelength gratings with different directions. A 2x2 form-birefringent micro retarder array was fabricated with an electron-beam lithography method and a reactive ion etching technique. Each retarder was a TiO2 grating with 300-nm period on a silica substrate, and the phase retardance was 0.31 (pi) for 633-nm wavelength light. Using the fabricated retarder array, the real time polarimeter was made. The micro retarder array and a linear polarizer film were stacked up on a 2x2 photo-detector array. Four Stokes parameters were computed at a real time rate from outputs of the detector array. We could measure temporal change in polarization states of light by simple experiments.

Paper Details

Date Published: 8 May 2001
PDF: 4 pages
Proc. SPIE 4416, Optical Engineering for Sensing and Nanotechnology (ICOSN 2001), (8 May 2001); doi: 10.1117/12.427019
Show Author Affiliations
Hisao Kikuta, Osaka Prefecture Univ. (Japan)
Hisashi Haccho, Osaka Prefecture Univ. (Japan)
Koichi Iwata, Osaka Prefecture Univ. (Japan)
Tetsuya Hamamoto, Osaka Science and Technology Ctr. (Japan)
Hiroshi Toyota, Osaka Science and Technology Ctr. (Japan)
Tsutomu Yotsuya, Osaka Science and Technology Ctr. (Japan)

Published in SPIE Proceedings Vol. 4416:
Optical Engineering for Sensing and Nanotechnology (ICOSN 2001)
Koichi Iwata, Editor(s)

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