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5 October 2007 Fabrication of long-period fiber gratings by CO2 laser irradiations for high temperature applications
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Proceedings Volume 6757, Sensors for Harsh Environments III; 675708 (2007) https://doi.org/10.1117/12.731372
Event: Optics East, 2007, Boston, MA, United States
Abstract
We report in this paper the fabrication of high performance thermal LPFGs by point-by-point CO2 laser irradiations. These thermal LPFGs have shown much better temperature tolerance and promised applications in high temperature harsh environments. The computer-controlled fabrication system with in situ signal monitoring capability is described. The fabricated LPFGs survived high temperatures up to 800°C. Long term stability test at 550°C for 200 hours indicated that thermal shock at a higher temperature could significantly reduce the drift.
© (2007) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Tao Wei, John Montoya, Jian Zhang, Junhang Dong, and Hai Xiao "Fabrication of long-period fiber gratings by CO2 laser irradiations for high temperature applications", Proc. SPIE 6757, Sensors for Harsh Environments III, 675708 (5 October 2007); https://doi.org/10.1117/12.731372
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