Improved refractive index sensitivity utilizing long-period gratings with periodic corrugations on cladding

Improved refractive index sensitivity utilizing long-period gratings with periodic corrugations on cladding

A new structure of Long-Period Gratings (LPGs) sensor is introduced as a sensitive ambient RI sensor. This structure consists of creating periodic corrugations on the cladding of the LPG. The experimental results show that this LPG structure has good performances in terms of linearity and sensitivit...

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Bibliographic Details
Main Authors: Lim, Anthony, Ji, Wen Bin, Tjin, Swee Chuan
Other Authors: School of Electrical and Electronic Engineering
Format: Article
Language:English
Published: 2013
Subjects:
DRNTU::Engineering::Electrical and electronic engineering::Optics, optoelectronics, photonics
Online Access:https://hdl.handle.net/10356/99447
http://hdl.handle.net/10220/17210
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Institution: Nanyang Technological University
Language: English
Description
Summary:A new structure of Long-Period Gratings (LPGs) sensor is introduced as a sensitive ambient RI sensor. This structure consists of creating periodic corrugations on the cladding of the LPG. The experimental results show that this LPG structure has good performances in terms of linearity and sensitivity and serves as a highly sensitive and cost-effective sensor. It also has the advantage of portability as the corrugation can also serve as the reservoir for the specimen collection to be tested.

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