Inscription of fiber Bragg gratings by ultraviolet femtosecond radiation
Optics Letters, Vol. 28, Issue 22, pp. 2171-2173 (2003)
http://dx.doi.org/10.1364/OL.28.002171
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Abstract
We report on what is to our knowledge the first fabrication of fiber Bragg gratings by UV femtosecond radiation. The Bragg gratings, with photoinduced refractive-index modulation up to 1.92×10-3 in H2 -loaded SMF-28 and up to 1.05×10-3 in Nufern GF1 fibers, were written by high-intensity (31–77-GW /cm2) femtosecond pulses at 264 nm. The dependence of the refractive-index modulation on intensity at equal fluences points to a two-photon absorption mechanism for grating inscription.
© 2003 Optical Society of America
OCIS Codes
(060.2310) Fiber optics and optical communications : Fiber optics
(160.2290) Materials : Fiber materials
(190.4180) Nonlinear optics : Multiphoton processes
(220.4610) Optical design and fabrication : Optical fabrication
(230.1480) Optical devices : Bragg reflectors
(350.5130) Other areas of optics : Photochemistry
Citation
Adrian Dragomir, David N. Nikogosyan, Konstantin A. Zagorulko, Peter G. Kryukov, and Evgueni M. Dianov, "Inscription of fiber Bragg gratings by ultraviolet femtosecond radiation," Opt. Lett. 28, 2171-2173 (2003)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-28-22-2171
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