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Conferences > CLEOPR > 2013 > ThF1 > ThF1_4
  • 2013 Conference on Lasers and Electro-Optics Pacific Rim
  • (Optica Publishing Group, 2013),
  • paper ThF1_4

Mechanical Vibration Sensing Using Cascaded Long Period Fiber Grating

Makoto Takeuchi, Satoshi Tanaka, Shingo Tekuramori, Atsushi Wada, and Nobuaki Takahashi

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Abstract

Cascaded long period fiber gratings are fabricated and investigated for use in intensity-based fiber optic mechanical vibration sensors. The cascaded LPGs are inscribed in photosensitive fiber by means of point-by-point technique with UV KrF excimer laser and examined in terms of axial strain sensitivity. In the experiment, much higher strain-sensitivity than that of single LPG is obtained and mechanical vibration sensing is successfully demonstrated.

© 2013 IEICE

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