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Proceedings Paper

Nanocoating effects on tapered long period fiber gratings
Author(s): P. Pilla; A. Cusano; A. Cutolo; M. Giordano; M. L. Korwin-Pawlowski; W. J. Bock
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Paper Abstract

In this work, the experimental analysis of the response of nanocoated Tapered Long Period Gratings (TLPGs) to Surrounding Refractive Index (SRI) changes is presented. The modal transition is demonstrated to take place in this kind of devices and to be an effective method to improve their SRI sensitivity. The dip-coating method was carried out by an automated system and showed to be a reliable technique for the deposition of conformal coatings. A comparison with traditional UV-written LPGs revealed that a thicker overlay is necessary for the TLPG to tune the transition region in the same SRI range.

Paper Details

Date Published: 2 July 2007
PDF: 4 pages
Proc. SPIE 6619, Third European Workshop on Optical Fibre Sensors, 66192P (2 July 2007); doi: 10.1117/12.738539
Show Author Affiliations
P. Pilla, Univ. of Sannio (Italy)
Institute for Composite and Biomedical Materials, CNR (Italy)
A. Cusano, Univ. of Sannio (Italy)
A. Cutolo, Univ. of Sannio (Italy)
M. Giordano, Institute for Composite and Biomedical Materials, CNR (Italy)
M. L. Korwin-Pawlowski, Univ. du Québec en Outaouais (Canada)
W. J. Bock, Univ. du Québec en Outaouais (Canada)


Published in SPIE Proceedings Vol. 6619:
Third European Workshop on Optical Fibre Sensors

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