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Conferences > NLO > 2000 > ThB > ThB27

Diffraction efficiency improvement of surface relief grating by corona poling

Katsuhiro Munakata, Kenji Harada, Hitoshi Anji, Masahide Itoh, Toyohiko Yatagai, and Shinsuke Umegaki

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Abstract

A depth of surface relief gratings which is fabricated by the irradiation of laser interference fringes in azo-polymer films are improved by poling. The first-order diffraction efficiency is improved from 1.1% to 7.1 %.

© 2000 Optical Society of America

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