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Title: 870nm bragg grating in single mode topas microstructured polymer optical fibre
Authors: Kalli, Kyriacos 
Yuan, Wu 
Stefani, Alessio 
Webb, David J. 
Nielsen, Kristian
Rasmussen, Henrik Koblitz 
Bang, Ole 
Keywords: Lasers;Fibers;Optical fibers
Category: Electrical Engineering, Electronic Engineering, Information Engineering
Field: Engineering and Technology
Issue Date: 2011
Publisher: Spie Digital Library
Source: 21st International Conference on Optical Fiber Sensors;ON;15 -19 May 2011,Ottawa
Abstract: We report the fabrication and characterization of a fiber Bragg grating (FBG) with 870 nm resonance wavelength in a single-mode TOPAS microstructured polymer optical fiber (mPOF). The grating has been UV-written with the phasemask technique using a 325 nm HeCd laser. The static tensile strain sensitivity has been measured as 0.64 pm/μstrain, and the temperature sensitivity was -60 pm/°C. This is the first 870nm FBG and the first demonstration of a negative temperature response for the TOPAS FBG, for which earlier results have indicated a positive temperature response. The relatively low material loss of the fiber at this wavelength compared to that at longer wavelengths will considerably enhance the potential utility of the TOPAS FBG.
DOI: 10.1117/12.884986
Rights: © 2011 Society of Photo-Optical Instrumentation Engineers (SPIE).
Type: Conference Papers
Appears in Collections:Δημοσιεύσεις σε συνέδρια/Conference papers

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