Second harmonic scattered light from a transparent glass-ceramic containing sodium niobate nanocrystals

Abstract

A study of the incoherent second harmonic radiation generated in a transparent glass-ceramic which consists of sodium niobate nanocrystals embedded in a silica-niobate glass is reported. A nanosecond laser operating at 1064nm was used, and measurements were performed for samples with nanocrystal filling fractions up to 37%. The results allow the measurements of the first hyperpolarizability per nanocrystal, β=166×10−30esu.