Bragg gratings in ternary SiO2:SnO2:Na2O optical glass fibers
Optics Letters, Vol. 25, Issue 16, pp. 1153-1155 (2000)
http://dx.doi.org/10.1364/OL.25.001153
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Abstract
Bragg gratings have been written in an optical fiber with a core made from ternary SiO2: SnO2: Na2O glass and a SiO2 cladding. The presence of Na2O allows for higher concentrations of SnO>2 , which are believed to be responsible for the photorefractive response of this composition. In these preliminary experiments significant refractive-index modulations, up to 6.2×10-4 , have been achieved with a 248-nm excimer laser and a phase mask to write gratings for reflectivity at ~1.5µm . The induced refractive-index changes show enhanced temperature stability, and there is no sign of any erasure up to temperatures exceeding 600 °C.
© 2000 Optical Society of America
[Optical Society of America ]
OCIS Codes
(060.2290) Fiber optics and optical communications : Fiber materials
(060.2400) Fiber optics and optical communications : Fiber properties
(160.5320) Materials : Photorefractive materials
Citation
G. Brambilla, V. Pruneri, L. Reekie, C. Contardi, D. Milanese, and M. Ferraris, "Bragg gratings in ternary SiO2:SnO2:Na2O optical glass fibers," Opt. Lett. 25, 1153-1155 (2000)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-25-16-1153
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