Title :
Strong Bragg Gratings in Highly Photosensitive Photo-Thermo-Refractive-Glass Optical Fiber
Author :
Hofmann, Peter ; Amezcua-Correa, Rodrigo ; Antonio-Lopez, Enrique ; Ott, Daniel ; SeGall, Marc ; Divliansky, Ivan ; Lumeau, Julien ; Glebova, Larissa ; Glebov, Leonid ; Peyghambarian, N. ; Schülzgen, Axel
Author_Institution :
Coll. of Opt. Sci., Univ. of Arizona, Tucson, AZ, USA
Abstract :
A new type of photosensitive fiber is demonstrated. Long lengths (>;100 m) of coreless optical fiber are fabricated from highly photosensitive photo-thermo-refractive glass. A minimum loss of <;2 dB/m is measured. A holographic technique using low power near-UV two-beam interference patterns is applied to record strong and robust Bragg gratings inside the fiber. The gratings show no degradation when heated up to 425 °C for several hours.
Keywords :
Bragg gratings; optical fibres; optical losses; coreless optical fiber; highly photosensitive photo-thermo-refractive-glass optical fiber; holographic technique; low power near-UV two-beam interference; minimum loss; photosensitive fiber; strong Bragg gratings; Fiber gratings; Glass; Holographic optical components; Holography; Optical device fabrication; Optical fibers; Fiber Bragg grating; optical fiber fabrication; photo thermo refractive glass; photosensitivity;
Journal_Title :
Photonics Technology Letters, IEEE
DOI :
10.1109/LPT.2012.2227308
