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Proceedings Paper

Long-period gratings in photonic crystal fibers for sensing of external refractive index change and macro-bending
Author(s): Zonghu He; Yinian Zhu; Ryan T. Bise; Henry Du
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Paper Abstract

Long-period gratings (LPGs) have been fabricated in endlessly single mode photonic crystal fibers (ESM-PCFs) utilizing focused CO2 laser irradiation and residual stress relaxation technique. The responses of the ESM-PCF-LPGs to external refractive index and applied bending curvature have been investigated. As compared with the conventional fiber-based LPGs inscribed under the same condition, the ESM-PCF-LPGs exhibit higher sensitivity to external refractive index change and macro-bending, making them attractive candidates for chemical and biological sensing applications.

Paper Details

Date Published: 18 October 2006
PDF: 9 pages
Proc. SPIE 6369, Photonic Crystals and Photonic Crystal Fibers for Sensing Applications II, 636908 (18 October 2006); doi: 10.1117/12.688355
Show Author Affiliations
Zonghu He, Stevens Institute of Technology (United States)
Yinian Zhu, Stevens Institute of Technology (United States)
Ryan T. Bise, OFS Labs. (United States)
Henry Du, Stevens Institute of Technology (United States)


Published in SPIE Proceedings Vol. 6369:
Photonic Crystals and Photonic Crystal Fibers for Sensing Applications II
Henry H. Du; Ryan Bise, Editor(s)

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