Highly Sensitive Refractive Index Sensor Based on Adiabatically Tapered Microfiber Long Period Gratings

Highly Sensitive Refractive Index Sensor Based on Adiabatically Tapered Microfiber Long Period Gratings

We demonstrate a refractive index sensor based on a long period grating (LPG) inscribed in a special photosensitive microfiber with double-clad profile. The fiber is tapered gradually enough to ensure the adiabaticity of the fiber taper. In other words, the resulting insertion loss is sufficiently s...

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Bibliographic Details
Main Authors: Choong Leng Ng, Swee Chuan Tjin, Bo Lin, Wen Bin Ji
Format: Article
Language:English
Published: MDPI AG 2013-10-01
Series:Sensors
Subjects:
long period gratings
microfiber
refractive index sensor
adiabatic taper
Online Access:http://www.mdpi.com/1424-8220/13/10/14055

Internet

http://www.mdpi.com/1424-8220/13/10/14055

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