Improved Refractive Index Sensitivity Utilizing Long-Period Gratings with Periodic Corrugations on Cladding-Reference-Cited by-同舟云学术

Improved Refractive Index Sensitivity Utilizing Long-Period Gratings with Periodic Corrugations on Cladding

Published:2012 Issue: Volume:2012 Page:1-5
ISSN:1687-725X
Container-title:Journal of Sensors
language:en
Short-container-title:Journal of Sensors

Author:

Lim Anthony¹,Ji Wen Bin¹,Tjin Swee Chuan¹

Affiliation:

1. Photonics Research Centre, School of Electrical and Electronic Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore 639798

Abstract

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.

Publisher

Hindawi Limited

Subject

Electrical and Electronic Engineering,Instrumentation,Control and Systems Engineering

Link

http://downloads.hindawi.com/journals/js/2012/483471.pdf

Reference14 articles.

1. Refractive Index Sensing With Mach–Zehnder Interferometer Based on Concatenating Two Single-Mode Fiber Tapers

2. Highly Sensitive Refractive Index Optical Fiber Sensors Fabricated by a Femtosecond Laser

3. Refractive index sensitivity measurement of a long-period waveguide grating

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