Nonresonant Optical Nonlinearities of Surface Chemically Modified ZnO Composite Nanoparticles
WANG Rong-yao, WU Xiao-chun, ZOU Bing-suo, WANG Li, WU Peng-fei, LIU Shao-mei, WANG Jin-guo, XU Ji-ren
Optical Physics Laboratory, Institute of Physics, Chinese Academy of Sciences, Beijing 100080
Nonresonant Optical Nonlinearities of Surface Chemically Modified ZnO Composite Nanoparticles
WANG Rong-yao;WU Xiao-chun;ZOU Bing-suo;WANG Li;WU Peng-fei;LIU Shao-mei;WANG Jin-guo;XU Ji-ren
Optical Physics Laboratory, Institute of Physics, Chinese Academy of Sciences, Beijing 100080
关键词 ：
42.65.An ,
42.70.Nq
Abstract ： With surface chemical modification, we have obtained core-shell structure ZnO nanoparticles. The nonresonant third-order nonlinear optical refraction of this new composite material was found to be -3.8 x 10-l0 esu by Z-scan measurements with a femtosecond pulsed laser. The ultrafast nonlinear response time ~250 fs measured by time-resolved pump-probe techniques suggests that the nonlinearity of this new material originates mainly from a rapid electronic polarization process or virtual process such as the optical Stark effect.
Key words ：
42.65.An
42.70.Nq
出版日期: 1998-01-01
:
42.65.An
(Optical susceptibility, hyperpolarizability)
42.70.Nq
(Other nonlinear optical materials; photorefractive and semiconductor materials)
引用本文:
WANG Rong-yao;WU Xiao-chun;ZOU Bing-suo;WANG Li;WU Peng-fei;LIU Shao-mei;WANG Jin-guo;XU Ji-ren. Nonresonant Optical Nonlinearities of Surface Chemically Modified ZnO Composite Nanoparticles[J]. 中国物理快报, 1998, 15(1): 27-29.
链接本文:
https://cpl.iphy.ac.cn/CN/
或
https://cpl.iphy.ac.cn/CN/Y1998/V15/I1/27
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