Evidence of second-order nonlinear susceptibility sign reversal in thermally poled samples
Authors:
- 20 October 2003
- journal article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 83 (16) , 3242-3244
Abstract
Thin layers of silica have been removed from thermally poled samples using a hydrofluoric acid etching. After each etching, the second-harmonic signal generated within the remaining glass has been recorded by means of a Maker fringes experiment. Evidence of a sign reversal within the nonlinear distribution is pointed out for 10-min poled Infrasil™ samples.Keywords
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