Thermal-induced nonlinear optical characteristics of ethanol solution doped with silver nanoparticles |
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| Authors: | Zhengle Mao Lingling Qiao Fei He Yang Liao Chen Wang Ya Cheng |
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| Institution: | 1. State Key Laboratory of High Field Laser Physics,Shanghai Institute of Optics and Fine Mechanics,Chinese Academy of Sciences,Shanghai 201800,China;Graduate University of Chinese Academy of Sciences,Beijing 100049,China
2. State Key Laboratory of High Field Laser Physics,Shanghai Institute of Optics and Fine Mechanics,Chinese Academy of Sciences,Shanghai 201800,China |
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| 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~(-7) cm~2/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. |
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