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Chin. Phys. B, 2014, Vol. 23(2): 024212    DOI: 10.1088/1674-1056/23/2/024212
ELECTROMAGNETISM, OPTICS, ACOUSTICS, HEAT TRANSFER, CLASSICAL MECHANICS, AND FLUID DYNAMICS Prev   Next  

Nonlinear optical properties of an azobenzene polymer

Zeng Yi, Pan Zhi-Hua, Zhao Fu-Li, Qin Mu, Zhou Yan, Wang Chang-Shun
State Key Laboratory of Advanced Optical Communication Systems and Networks, Department of Physics, Shanghai Jiao Tong University, Shanghai 200240, China
Abstract  The nonlinear optical properties of an azobenzene polymer azo12–MO were investigated by a Z-scan technique. The polymer was synthesized by assembling the liquid-crystalline polymer azo12 with methyl orange. The nonlinear refractive index (1.39×10-15 cm2/W) and the nonlinear absorption coefficient (0.11 cm/GW) of azo12–MO were determined with 532-nm picosecond laser pulses at the irradiance of 92.40 GW/cm2. When compared to the nonlinear properties of azo12 and methyl orange, azo12–MO possesses the advantages of its two constituents and shows larger nonlinear optical properties.
Keywords:  nonlinear optics      reverse saturable absorption      azobenzene polymer     
Received:  27 January 2013      Published:  12 December 2013
PACS:  42.65.-k (Nonlinear optics)  
  78.20.Ci (Optical constants (including refractive index, complex dielectric constant, absorption, reflection and transmission coefficients, emissivity))  
  42.70.Gi (Light-sensitive materials)  
Fund: Project supported by the National Natural Science Foundation of China (Grant No. 11174203).
Corresponding Authors:  Wang Chang-Shun     E-mail:  cswang@sjtu.edu.cn
About author:  42.65.-k; 78.20.Ci; 42.70.Gi

Cite this article: 

Zeng Yi, Pan Zhi-Hua, Zhao Fu-Li, Qin Mu, Zhou Yan, Wang Chang-Shun Nonlinear optical properties of an azobenzene polymer 2014 Chin. Phys. B 23 024212

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