Photosensitivity of ion-exchanged Er-doped phosphate glass using 248nm excimer laser radiation
Photosensitivity of ion-exchanged Er-doped phosphate glass using 248nm excimer laser radiation
The photosensitivity to 248nm excimer laser radiation of Er-doped Schott IOG-1 phosphate glass is presented. The photosensitive mechanism is investigated by employing a grating recording process. Index changes of up to ~2.0x10-3 were measured in silver ion-exchanged samples using diffraction efficiency measurements; whereas changes of only ~10-5 were measured for non-ion-exchanged samples. Absorption measurements allowed the identification of specific color center bands, which were attributed to the glass matrix and to the silver ions. Investigation of the exposed ion-exchanged glass using scanning electron microscopy and energy dispersive x-ray microanalysis revealed that in addition to the color centers formed, silver ion migration and ionization contribute significantly to the UV-induced index changes.
3131-3136
Pissadakis, S.
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Ikiades, A.
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Hua, Ping
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Sheridan, A.K.
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Wilkinson, J.S.
73483cf3-d9f2-4688-9b09-1c84257884ca
2004
Pissadakis, S.
a91c54e0-3b8d-479f-b44e-e678bc34a277
Ikiades, A.
6b4f12e0-7ded-43fb-8a61-e2b725f65cb3
Hua, Ping
92fa76e2-970b-45f5-a459-d9f95e735303
Sheridan, A.K.
3744de9e-5516-4842-bb36-852702ded40a
Wilkinson, J.S.
73483cf3-d9f2-4688-9b09-1c84257884ca
Pissadakis, S., Ikiades, A., Hua, Ping, Sheridan, A.K. and Wilkinson, J.S.
(2004)
Photosensitivity of ion-exchanged Er-doped phosphate glass using 248nm excimer laser radiation.
Optics Express, 12 (14), .
(doi:10.1364/OPEX.12.003131).
Abstract
The photosensitivity to 248nm excimer laser radiation of Er-doped Schott IOG-1 phosphate glass is presented. The photosensitive mechanism is investigated by employing a grating recording process. Index changes of up to ~2.0x10-3 were measured in silver ion-exchanged samples using diffraction efficiency measurements; whereas changes of only ~10-5 were measured for non-ion-exchanged samples. Absorption measurements allowed the identification of specific color center bands, which were attributed to the glass matrix and to the silver ions. Investigation of the exposed ion-exchanged glass using scanning electron microscopy and energy dispersive x-ray microanalysis revealed that in addition to the color centers formed, silver ion migration and ionization contribute significantly to the UV-induced index changes.
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oe-12-14-3131
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Published date: 2004
Identifiers
Local EPrints ID: 13904
URI: http://eprints.soton.ac.uk/id/eprint/13904
ISSN: 1094-4087
PURE UUID: afd573d2-12f5-4851-9a09-6d4efe1b5b17
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Date deposited: 31 Dec 2004
Last modified: 16 Mar 2024 02:33
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Author:
S. Pissadakis
Author:
A. Ikiades
Author:
Ping Hua
Author:
A.K. Sheridan
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