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Measurement of nonlinear optical refraction of composite material based on sapphire with silver by Kerr-lens autocorrelation method.

Authors
  • Yu, Xiang-xiang
  • Wang, Yu-hua
Type
Published Article
Journal
Optics Express
Publisher
The Optical Society
Publication Date
Jan 13, 2014
Volume
22
Issue
1
Pages
177–182
Identifiers
DOI: 10.1364/OE.22.000177
PMID: 24514979
Source
Medline
License
Unknown

Abstract

Silver nanoparticles synthesized in a synthetic sapphire matrix were fabricated by ion implantation using the metal vapor vacuum arc ion source. The optical absorption spectrum of the Ag: Al2O3 composite material has been measured. The analysis of the supercontinuum spectrum displayed the nonlinear refractive property of this kind of sample. Nonlinear optical refraction index was identified at 800 nm excitation using the Kerr-lens autocorrelation (KLAC) technique. The spectrum showed that the material possessed self-defocusing property (n(2) = -1.1 × 10(-15) cm(2)W). The mechanism of nonlinear refraction has been discussed.

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