Optothermal nonlinearity of silica aerogel
Other Condensed Matter
2016-11-02 v1 Optics
Abstract
We report on the characterization of silica aerogel thermal optical nonlinearity, obtained by z-scan technique. The results show that typical silica aerogels have nonlinear optical coefficient similar to that of glass mW), with negligible optical nonlinear absorption. The non\-li\-near coefficient can be increased to values in the range of mW by embedding an absorbing dye in the aerogel. This value is one order of magnitude higher than that observed in the pure dye and in typical highly nonlinear materials like liquid crystals.
Keywords
Cite
@article{arxiv.1611.00238,
title = {Optothermal nonlinearity of silica aerogel},
author = {Maria Chiara Braidotti and Silvia Gentilini and Adam Fleming and Michiel C. Samuels and Andrea Di Falco and Claudio Conti},
journal= {arXiv preprint arXiv:1611.00238},
year = {2016}
}
Comments
5 pages, 5 figures, Published by AIP Publishing