Long Period Gratings in Random Hole Optical Fibers for Refractive Index Sensing

We have demonstrated the fabrication of long period gratings in random hole optical fibers. The long period gratings are fabricated by a point-by-point technique using a CO2 laser. The gratings with a periodicity of 450 µm are fabricated and a maximum coupling efficiency of −9.81 dB has been achieve...

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Bibliographic Details
Main Authors: Gary Pickrell, Ke Wang
Format: Article
Language:English
Published: MDPI AG 2011-01-01
Series:Sensors
Subjects:
Online Access:http://www.mdpi.com/1424-8220/11/2/1558/

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