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Proceedings Article

Fabrication of long-period fiber gratings by CO2 laser irradiations for high temperature applications

[+] Author Affiliations
Tao Wei, John Montoya, Hai Xiao

Univ. of Missouri-Rolla

Jian Zhang, Junhang Dong

Univ. of Cincinnati

Proc. SPIE 6757, Sensors for Harsh Environments III, 675708 (October 05, 2007); doi:10.1117/12.731372
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From Conference Volume 6757

  • Sensors for Harsh Environments III
  • Hai Xiao; Anbo Wang
  • Boston, MA | September 09, 2007

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 SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

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 (October 05, 2007); doi:10.1117/12.731372; http://dx.doi.org/10.1117/12.731372


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