Small acousto-optic tunable filter using edge-reflection and its application to strain sensing system

Michio Kadota, Hideaki Kobayashi, Kiyokazu Yamada

研究成果: Conference contribution

抄録

An acousto-optic tunable filter (AOTF) with surface acoustic wave (SAW) on LiNbO3 was proposed to apply to a wavelength monitor as a simple spectrum analyzer in a fiber-optic strain sensing system using fiber Bragg gratings (FBGs) instead of a conventional expensive optical spectrum analyzer. An usual AOTF was composed of more than 2 chips connected in series, so the AOTF was complex and a little expensive. In this paper, a new AOTF, which is smaller, simpler, and more reasonable than the usual AOTF, has been developed by using a reflection of light at an edge of the chip. Then, this new AOTF has been applied to a strain sensing system instead of an conventional expensive optical spectrum analyzer. As a result, advantages of light weight, small size, reasonable cost, fast response, no mechanical parts, high reliability and high accuracy have been confirmed in the system.

本文言語English
ホスト出版物のタイトル2012 IEEE International Ultrasonics Symposium, IUS 2012
ページ2416-2419
ページ数4
DOI
出版ステータスPublished - 2012 12 1
イベント2012 IEEE International Ultrasonics Symposium, IUS 2012 - Dresden, Germany
継続期間: 2012 10 72012 10 10

出版物シリーズ

名前IEEE International Ultrasonics Symposium, IUS
ISSN(印刷版)1948-5719
ISSN(電子版)1948-5727

Other

Other2012 IEEE International Ultrasonics Symposium, IUS 2012
国/地域Germany
CityDresden
Period12/10/712/10/10

ASJC Scopus subject areas

  • 音響学および超音波学

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