Title :
Measurements of wavelength-dependent photosensitivity by using long-period fiber gratings
Author :
Jaehee Cheong ; Young-Jae Kim ; Un-Chul Paek ; Byeong Ha Lee
Author_Institution :
Dept. of Inf. & Commun., Kwangju Inst. of Sci. & Technol., South Korea
Abstract :
Wavelength-dependent photosensitivity of an optical fiber was measured using cascaded long-period fiber gratings. UV-induced average index variation in the core was calculated by finding the effective refractive index difference in both UV-exposed and grating free region.
Keywords :
diffraction gratings; fibre optic sensors; optical fibre testing; refractive index; sensitivity analysis; ultraviolet radiation effects; UV-exposed region; UV-induced average core refractive index variation; cascaded LPG; cascaded long-period fiber gratings; effective refractive index difference; grating free region; optical fiber wavelength-dependent photosensitivity measurement; Dispersion; Fiber gratings; Optical fiber communication; Optical fiber sensors; Optical frequency conversion; Photonic integrated circuits; Refractive index; Resonance; Taylor series; Wavelength measurement;
Conference_Titel :
Optical Fiber Sensors Conference Technical Digest, 2002. Ofs 2002, 15th
Conference_Location :
Portland, OR, USA
Print_ISBN :
0-7803-7289-1
DOI :
10.1109/OFS.2002.1000530
