Title :
Sensing characteristics of long-period fiber gratings in photonic crystal fiber imprinted by CO2 laser
Author :
Park, Bymg Hyuk ; Kim, Jinchae ; Eom, Tae Joong ; Lee, Byeong Ha ; Paek, Un-Chul
Author_Institution :
Dept. of Inf. & Commun., Gwangju Inst. of Sci. & Technol., South Korea
Abstract :
A long period fiber grating imprinted in a pure-silica PCF (photonic crystal fiber) 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/με, and +9 pm/°C, respectively.
Keywords :
diffraction gratings; fibre optic sensors; laser beam effects; optical fibres; photonic crystals; sensitivity; CO2 laser; bending sensitivity; long-period fiber gratings; pure-silica photonic crystal fiber; sensing characteristics; sensor characteristics; strain sensitivity; temperature sensitivity; Fiber gratings; Fiber lasers; Laser beams; Laser theory; Optical fiber communication; Optical fiber sensors; Photonic crystal fibers; Resonance; Temperature sensors; Wavelength measurement;
Conference_Titel :
Optical Fiber Communication Conference, 2005. Technical Digest. OFC/NFOEC
Print_ISBN :
1-55752-783-0
DOI :
10.1109/OFC.2005.192997