Chinese Optics Letters, 2009, 7 (10): 949, Published Online: Oct. 16, 2009   

Thermal-induced nonlinear optical characteristics of ethanol solution doped with silver nanoparticles Download: 1069次

Author Affiliations
1 State Key Laboratory of High Field Laser Physics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China
2 Graduate University of Chinese Academy of Sciences, Beijing 100049, China
Abstract
The investigation of nonlinear optical characteristics of ethanol solution doped with silver nanoparticles is presented. A large thermal-induced third-order nonlinear refractive index up to –1.941×10<sup>?7</sup> cm<sup>2</sup>/W is obtained from the mixed solution under 488-nm continue wave (CW) laser irradiation, which may result from surface plasmon resonance (SPR) enhancement effect of silver nanoparticles as well as high thermo-optic coefficient and low thermal conductivity of ethanol. Obvious spatial self-phase modulation and influence of thermal-induced negative lens effect are observed when a beam propagates through this solution, indicating promising applications such as optical limiting, beam flattening, and so on.

Zhengle Mao, Lingling Qiao, Fei He, Yang Liao, Chen Wang, Ya Cheng. Thermal-induced nonlinear optical characteristics of ethanol solution doped with silver nanoparticles[J]. Chinese Optics Letters, 2009, 7(10): 949.

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