Title :
Directional bend sensor based on an asymmetric modification of the fiber cladding by femtosecond laser
Author :
Allsop, T. ; Dubov, M. ; Martinez, A. ; Floreani, F. ; Khrushchev, I. ; Webb, D.J. ; Bennion, I.
Author_Institution :
Photonics Res. Group, Aston Univ., Birmingham, UK
Abstract :
A femtosecond laser was used to modify a part of the cladding of a standard LPG bend sensor. The device produced wavelength shifts depending upon the direction of bend, thus making a shape sensor.
Keywords :
diffraction gratings; fibre optic sensors; high-speed optical techniques; laser materials processing; optical fibre cladding; optical fibre fabrication; shape measurement; LPG bend sensor; directional bend sensor; femtosecond laser; fiber cladding; shape sensor; Fiber lasers; Optical attenuators; Optical device fabrication; Optical fiber devices; Optical fiber sensors; Optical fibers; Optical sensors; Sensor phenomena and characterization; Telecommunication standards; Ultrafast optics;
Conference_Titel :
Lasers and Electro-Optics, 2005. (CLEO). Conference on
Print_ISBN :
1-55752-795-4
DOI :
10.1109/CLEO.2005.202409