Linear and nonlinear optical properties of gold-doped porous glass

V. A. Karavanskii; V. I. Krasovskii

doi:10.1117/12.693656

10 June 2006 Linear and nonlinear optical properties of gold-doped porous glass

V. A. Karavanskii, V. I. Krasovskii

Proceedings Volume 6344, Advanced Laser Technologies 2005; 63442M (2006) https://doi.org/10.1117/12.693656
Event: Advanced Laser Technologies 2005, 2005, Tianjin, China

Abstract

The composite material of gold nanocrystals in porous glass matrix was obtained by chemical deposition. Optical spectra were fitted using Drude model. Real and imaginary parts of third-order nonlinear optical susceptibility were separately measured in surface plasmon resonance area using Z-scan technique and 20 ps 539 nm laser pulses. The obtained values of Reχ⁽³⁾ was -4.12±0.8×10^-8 esu and Imχ⁽³⁾ was -4.28±0.4×10^-7 esu. It was shown that the differences of absorption and refraction nonlinearities from field effect predictions can be satisfactorily explained by local field correction.

Citation Download Citation

V. A. Karavanskii and V. I. Krasovskii "Linear and nonlinear optical properties of gold-doped porous glass", Proc. SPIE 6344, Advanced Laser Technologies 2005, 63442M (10 June 2006); https://doi.org/10.1117/12.693656

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