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Proceedings Paper

Thin film retardation plates fabricated by oblique depositions and their applications to LiNbO3-based sensors
Author(s): Yasuhiko Takeda; Tadashi Ichikawa; Tomoyoshi Motohiro; Hiroshi Ito
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Paper Abstract

We realized an optical AC voltage sensor using a Ti:LiNbO3 waveguide electro-optic modulator with a sensitivity independent on the polarization state of the incident light. The polarization independence was attained by adopting a retroreflective type modulator with a (lambda) /4 plate on the reflecting end fabricated by depositing Ta2O5 alternatively from two opposite oblique directions.

Paper Details

Date Published: 7 May 1999
PDF: 4 pages
Proc. SPIE 3740, Optical Engineering for Sensing and Nanotechnology (ICOSN '99), (7 May 1999); doi: 10.1117/12.347709
Show Author Affiliations
Yasuhiko Takeda, Toyota Central Research and Development Labs., Inc. (Japan)
Tadashi Ichikawa, Toyota Central Research and Development Labs., Inc. (Japan)
Tomoyoshi Motohiro, Toyota Central Research and Development Labs., Inc. (Japan)
Hiroshi Ito, Toyota Central Research and Development Labs., Inc. (Japan)


Published in SPIE Proceedings Vol. 3740:
Optical Engineering for Sensing and Nanotechnology (ICOSN '99)
Ichirou Yamaguchi, Editor(s)

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