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Optica Publishing Group
  • 2017 Conference on Lasers and Electro-Optics Pacific Rim
  • (Optica Publishing Group, 2017),
  • paper s1813

A high sensitivity strain sensor based on a selective-filling high birefringent photonic crystal fiber Sagnac Interferometer

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Abstract

A high sensitivity strain sensor based on a selective-filling photonic crystal fiebr (SF-PCF) Sagnac interferometer was demonstrated. The SF-PCF was achieved by infiltrating a high index liquid into two symmetrical air holes of the innermost layer. Numetrical results revealed an ultrahigh even theoretically infinite strian sensitivity. A high strain sensitivity with 25 pm/με was experimentally achieved.

© 2017 Optical Society of America

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