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Electric surface potential and frozen-in field direct measurements in thermally poled silica

Electric surface potential and frozen-in field direct measurements in thermally poled silica
Electric surface potential and frozen-in field direct measurements in thermally poled silica
We report measurements of the electric surface potential (SP) and its temporal evolution in thermally poled silica samples, thus, providing a direct quantitative evidence of the frozen-in voltage. The SP value is found to be directly related to the voltage across the depletion layer and there is a clear link between frozen-in electric field and nonlinear optical coefficient, inferred from SP and second harmonic generation measurements respectively. Our studies also show the presence of screening surface charge layers. We have calculated the space charge distribution making evident that the thinner the sample, the larger the screening surface charge density.
0003-6951
012912-[3pp]
Yudistira, D.
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Faccio, D.
439c72fc-1a71-41c2-bc41-f610ab3ddfb5
Corbari, C.
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Kazansky, P.G.
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Benchabane, S.
b467ca1e-558d-49be-bb40-c1ce293739bf
Pruneri, V.
0e97eb94-b682-409f-a107-ae6b84763f02
Yudistira, D.
9c01d6cc-fb90-4458-a2d8-468973a8b86b
Faccio, D.
439c72fc-1a71-41c2-bc41-f610ab3ddfb5
Corbari, C.
0d97e1c1-7a62-47c6-8f97-735f7946f93f
Kazansky, P.G.
a5d123ec-8ea8-408c-8963-4a6d921fd76c
Benchabane, S.
b467ca1e-558d-49be-bb40-c1ce293739bf
Pruneri, V.
0e97eb94-b682-409f-a107-ae6b84763f02

Yudistira, D., Faccio, D., Corbari, C., Kazansky, P.G., Benchabane, S. and Pruneri, V. (2008) Electric surface potential and frozen-in field direct measurements in thermally poled silica. Applied Physics Letters, 92 (1), 012912-[3pp]. (doi:10.1063/1.2827175).

Record type: Article

Abstract

We report measurements of the electric surface potential (SP) and its temporal evolution in thermally poled silica samples, thus, providing a direct quantitative evidence of the frozen-in voltage. The SP value is found to be directly related to the voltage across the depletion layer and there is a clear link between frozen-in electric field and nonlinear optical coefficient, inferred from SP and second harmonic generation measurements respectively. Our studies also show the presence of screening surface charge layers. We have calculated the space charge distribution making evident that the thinner the sample, the larger the screening surface charge density.

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Published date: 4 January 2008

Identifiers

Local EPrints ID: 50686
URI: http://eprints.soton.ac.uk/id/eprint/50686
ISSN: 0003-6951
PURE UUID: 85a9486e-90a4-4c74-8664-96ebbca5f6a8

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Date deposited: 13 Mar 2008
Last modified: 18 May 2021 16:33

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Contributors

Author: D. Yudistira
Author: D. Faccio
Author: C. Corbari
Author: P.G. Kazansky
Author: S. Benchabane
Author: V. Pruneri

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