研究目的
Investigating the linear and nonlinear optical properties, including Third Harmonic Generation (THG), of thin films containing azo-based compounds.
研究成果
The nonlinear optical response of azo-based thin films was successfully investigated, showing higher third-order nonlinear optical susceptibility compared to reference material. The results indicate potential applications in optics.
研究不足
The study is limited to the examination of azo-based thin films' optical properties under specific conditions (wavelength, polarization). Potential areas for optimization include exploring other wavelengths and materials.
1：Experimental Design and Method Selection:
The study employed spin coating technique for thin film deposition and Maker fringe technique for nonlinear optical properties examination using Nd:YAG laser.
2：Sample Selection and Data Sources:
Thin films containing three types of azo-based compounds were prepared.
3：List of Experimental Equipment and Materials:
Spin coater (SCS G3P), Profilometer (Dektak 6M), spectrometer Lambda 950 (Perkin Elmer), Nd:YAG laser.
4：Experimental Procedures and Operational Workflow:
Films were deposited on glass substrates, thickness measured, absorption spectra recorded, and THG measurements performed.
5：Data Analysis Methods:
Third-order nonlinear optical susceptibility was calculated using a theoretical model.
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