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Bragg gratings in ternary SiO2 SnO2 Na2O optical glass fibers

Bragg gratings in ternary SiO2 SnO2 Na2O optical glass fibers
Bragg gratings in ternary SiO2 SnO2 Na2O optical glass fibers
Bragg gratings have been written in an optical fibre with a core made of ternary SiO2:SnO2:Na2O glass and a SiO2 cladding. The presence of Na2O allows for higher concentrations of SnO2 which is believed to be responsible for the photorefractive response of this composition. In these preliminary experiments significant refractive index modulations, up to 6.2x10-4, have been achieved using a 248nm excimer laser and a phase mask to write gratings for reflectivity at around 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.
0146-9592
1153-1155
Brambilla, G.
815d9712-62c7-47d1-8860-9451a363a6c8
Pruneri, V.
0e97eb94-b682-409f-a107-ae6b84763f02
Reekie, L.
ec314137-6924-44ad-86a4-ff3f9a67c1b5
Contardi, C.
0a8c023c-a68e-4886-bc00-204f424295a2
Milanese, D.
ecb96980-ac53-454f-b513-cc5e6470fe24
Ferraris, M.
6488d6f4-42fe-485b-a61a-9a4e003c337b
Brambilla, G.
815d9712-62c7-47d1-8860-9451a363a6c8
Pruneri, V.
0e97eb94-b682-409f-a107-ae6b84763f02
Reekie, L.
ec314137-6924-44ad-86a4-ff3f9a67c1b5
Contardi, C.
0a8c023c-a68e-4886-bc00-204f424295a2
Milanese, D.
ecb96980-ac53-454f-b513-cc5e6470fe24
Ferraris, M.
6488d6f4-42fe-485b-a61a-9a4e003c337b

Brambilla, G., Pruneri, V., Reekie, L., Contardi, C., Milanese, D. and Ferraris, M. (2000) Bragg gratings in ternary SiO2 SnO2 Na2O optical glass fibers. Optics Letters, 25 (16), 1153-1155. (doi:10.1364/OL.25.001153).

Record type: Article

Abstract

Bragg gratings have been written in an optical fibre with a core made of ternary SiO2:SnO2:Na2O glass and a SiO2 cladding. The presence of Na2O allows for higher concentrations of SnO2 which is believed to be responsible for the photorefractive response of this composition. In these preliminary experiments significant refractive index modulations, up to 6.2x10-4, have been achieved using a 248nm excimer laser and a phase mask to write gratings for reflectivity at around 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.

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Published date: 2000

Identifiers

Local EPrints ID: 13633
URI: http://eprints.soton.ac.uk/id/eprint/13633
ISSN: 0146-9592
PURE UUID: 97616545-ffd8-4236-bfd2-2e0f05f992b8

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Date deposited: 31 Dec 2004
Last modified: 15 Jul 2019 19:34

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