A long period fiber grating imprinted in a pure-silica PCF by using CO2 laser beams is presented. The sensitivities of the resonant wavelength under bending, strain, and temperature were measured to be +16.4 nm-m, -0.95 pm/microstrain, and +9 pm/°C, respectively.
© 2005 Optical Society of America
(050.0050) Diffraction and gratings : Diffraction and gratings
(050.2770) Diffraction and gratings : Gratings
(060.0060) Fiber optics and optical communications : Fiber optics and optical communications
(060.2370) Fiber optics and optical communications : Fiber optics sensors
B. Park, J. Kim, T. J. Eom, B. H. Lee, and U. Paek, " Sensing Characteristics of Long-Period Fiber Gratings in Photonic Crystal Fiber Imprinted by CO2 Laser," in Optical Fiber Communication Conference and Exposition and The National Fiber Optic Engineers Conference, Technical Digest (CD) (Optical Society of America, 2005), paper OThQ6.
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