20 January 2006 High temperature characteristics of long-period fiber gratings written by high-frequency CO2 laser pulses
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Proceedings Volume 6027, ICO20: Optical Information Processing; 602748 (2006) https://doi.org/10.1117/12.668399
Event: ICO20:Optical Devices and Instruments, 2005, Changchun, China
Abstract
It is for the first time that the high-temperature characteristics of long period fiber gratings, written by high-frequency CO2 laser pulses in standard telecommunication fiber, are presented. When the temperature is below 800°C the relationship between the resonant wavelength shift of the grating and the change in temperature is approximately linear, while the temperature is over 800°C such a relationship becomes nonlinear. Similar strain response of the grating under high temperature is also presented.
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Y. J. Rao, Y. J. Rao, J. Y. Li, J. Y. Li, T. Zhu, T. Zhu, "High temperature characteristics of long-period fiber gratings written by high-frequency CO2 laser pulses", Proc. SPIE 6027, ICO20: Optical Information Processing, 602748 (20 January 2006); doi: 10.1117/12.668399; https://doi.org/10.1117/12.668399
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