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18 May 2011 870nm Bragg grating in single mode TOPAS microstructured polymer optical fibre
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Proceedings Volume 7753, 21st International Conference on Optical Fiber Sensors; 77538X (2011) https://doi.org/10.1117/12.884986
Event: 21st International Conference on Optical Fibre Sensors (OFS21), 2011, Ottawa, Canada
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.
© (2011) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Wu Yuan, David J. Webb, Kyriacos Kalli, Kristian Nielsen, Alessio Stefani, Henrik K. Rasmussen, and Ole Bang "870nm Bragg grating in single mode TOPAS microstructured polymer optical fibre", Proc. SPIE 7753, 21st International Conference on Optical Fiber Sensors, 77538X (18 May 2011); doi: 10.1117/12.884986; https://doi.org/10.1117/12.884986
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