Title :
Very high numerical aperture fibers
Author :
Wadsworth, William J. ; Percival, R. Mike ; Bouwmans, Geraud ; Knight, Jonathan C. ; Birks, Tim A. ; Hedley, Tom D. ; Russell, Philip St J
Author_Institution :
Optoelectronics Group, Univ. of Bath, UK
fDate :
3/1/2004 12:00:00 AM
Abstract :
Air-silica microstructured fibers are designed and fabricated to yield numerical aperture (NA) greater than 0.9. A model is presented which accurately predicts the structural parameters required in order to realize high NAs. Such fibers have application in lasers and laser-induced-fluorescence systems.
Keywords :
fibre lasers; fluorescence; optical fibre fabrication; photonic crystals; silicon compounds; 0.9 NA; SiO2; air-silica microstructured fibers; high numerical aperture fibers; laser-induced-fluorescence systems; lasers; structural parameters; Apertures; Bridges; Fiber lasers; Fluorescence; Laser modes; Optical fiber devices; Optical fibers; Photonic crystal fibers; Silicon compounds; Slabs;
Journal_Title :
Photonics Technology Letters, IEEE
DOI :
10.1109/LPT.2004.823689
