We demonstrate the strain-insensitive and high-temperature long-period gratings in photonic crystal fiber. Thermal dependency of resonance wavelength is 10.9pm/0C at range from 240C to 9920C, whereas coefficient of strain sensitivity is -0.192pm/µε up to 2.74%ε.
© 2005 Optical Society of America
(060.0060) Fiber optics and optical communications : Fiber optics and optical communications
(060.2370) Fiber optics and optical communications : Fiber optics sensors
(230.0230) Optical devices : Optical devices
(230.3990) Optical devices : Micro-optical devices
Y. Zhu, P. Shum, H. Bay, M. Yan, X. Yu, J. Hu, J. Hao, and C. Lu, " Strain-Insensitive and High-Temperature Long-Period Gratings Inscribed in Photonic Crystal Fiber," in Optical Fiber Communication Conference and Exposition and The National Fiber Optic Engineers Conference, Technical Digest (CD) (Optical Society of America, 2005), paper OME19.
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