期刊
CHINESE OPTICS LETTERS
卷 7, 期 10, 页码 949-952出版社
CHINESE OPTICS LETTERS MANUSCRIPT OFFICE
DOI: 10.3788/COL20090710.0949
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资金
- National Basic Research Program of China [2006CB06000b]
- National Natural Science Foundation of China [10804116]
- Chinese Academy of Sciences
- Shanghai Pujiang Program
- National Outstanding Youth Foundation
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 x 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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