Signal damping of second-harmonic generation in poled soda-lime silicate glass

Abstract

We report second-harmonic generation in poled microscope slides of soda-lime silicate glass. During poling a sodium precipitate appears on the glass surface on the cathode side. Evidence of sodium motion through the sample helps us to understand the inducing mechanism of the second-order nonlinearity in the poled glass. We found decay of the second-harmonic signal over time. The decay rate increases with the ambient temperature, while the residual signal depends on the poling temperature.

© 1998 Optical Society of America

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