Title :
Bending sensitivity in a helicoidal long-period fiber grating fabricated by twisting and CO2 laser irradiation
Author :
Jung, H. ; Shin, W. ; Kim, J.K. ; Ko, D.-K. ; Lee, J. ; Oh, K.
Author_Institution :
Inst. of Phys. & Appl. Phys., Yonsei Univ., Seoul
Abstract :
We report the bending sensitivity analysis of helicoildal long-period fiber gratings (H-LPG). Linear response of the resonant wavelength shift to the bending radius was achieved with a high sensitivity over 10 nm/m.
Keywords :
Bragg gratings; optical fibre fabrication; bending sensitivity; helicoidal long-period fiber grating; laser irradiation; linear response; resonant wavelength shift; Equations; Fiber gratings; Fiber lasers; Laser modes; Laser theory; Mechanical sensors; Optical fiber sensors; Physics; Resonance; Wavelength measurement;
Conference_Titel :
Opto-Electronics and Communications Conference, 2008 and the 2008 Australian Conference on Optical Fibre Technology. OECC/ACOFT 2008. Joint conference of the
Conference_Location :
Sydney
Print_ISBN :
978-0-85825-807-5
Electronic_ISBN :
978-0-85825-807-5
DOI :
10.1109/OECCACOFT.2008.4610329
