The third-order optical nonlinearity of Fe<sub>2</sub>O<sub>3</sub> nanoparticles capped with glutamic acid molecules and bare particles in hydrosol

Mi Liu; Ming Ma; Yiping Cui; Yu Zhang; Gang Wang; Yongkang Sun

doi:10.1117/12.574953

28 January 2005 The third-order optical nonlinearity of Fe₂O₃ nanoparticles capped with glutamic acid molecules and bare particles in hydrosol

Mi Liu, Ming Ma, Yiping Cui, Yu Zhang, Gang Wang, Yongkang Sun

Author Affiliations +

Proceedings Volume 5646, Nonlinear Optical Phenomena and Applications; (2005) https://doi.org/10.1117/12.574953
Event: Photonics Asia, 2004, Beijing, China

Abstract

The third-order optical nonlinearity of Fe₂O₃ nanoparticles capped with glutamic acid molecules and bare particles in hydrosol have been investigated by Z-scan technique. The signs and magnitudes of nonlinear refractive coefficients (γ) of these two kinds Fe₂O₃ nanoparticles were obtained. The results suggested that γ was intensively subject to the surface-capping molecules. This phenomenon may be in particular considered with local field enhancement effect related to the refractive index of the media around nanoparticles, and the local field enhancement factor was evaluated by the solution of Laplace's equation.

Citation Download Citation

Mi Liu, Ming Ma, Yiping Cui, Yu Zhang, Gang Wang, and Yongkang Sun "The third-order optical nonlinearity of Fe₂O₃ nanoparticles capped with glutamic acid molecules and bare particles in hydrosol", Proc. SPIE 5646, Nonlinear Optical Phenomena and Applications, (28 January 2005); https://doi.org/10.1117/12.574953

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