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

Yudistira, D, Faccio, D, Cobari,, Kazansky, P, Benchabane, S and Pruneri, V 2008, 'Electric surface potential and frozen-in field direct measurements in thermally poled silica', Applied Physics Letters, vol. 92, no. 1, pp. 1-3.


Document type: Journal Article
Collection: Journal Articles

Title Electric surface potential and frozen-in field direct measurements in thermally poled silica
Author(s) Yudistira, D
Faccio, D
Cobari,
Kazansky, P
Benchabane, S
Pruneri, V
Year 2008
Journal name Applied Physics Letters
Volume number 92
Issue number 1
Start page 1
End page 3
Total pages 3
Publisher American Institute of Physics
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
Subject Electrostatics and Electrodynamics
DOI - identifier 10.1063/1.2827175
Copyright notice © 2008 American Institute of Physics
ISSN 0003-6951
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