研究目的
Investigating the arbitrary control of high-power THz polarization and frequency using organic nonlinear optical crystals via optical rectification.
研究成果
The study successfully demonstrates the generation of linearly and circularly polarized high-power THz pulses using ds-NOCs. The method allows for arbitrary control of THz wave polarization and frequency, promising applications in material science and imaging.
研究不足
The study is based on numerical simulations, and practical implementation may face challenges related to material properties and experimental setup. The energy efficiency of conversion from light pulse to THz wave was calculated as 0.1%, indicating room for improvement.
1：Experimental Design and Method Selection:
The study uses numerical simulations based on the coupled wave approach to demonstrate THz wave generation with controlled polarization and frequency.
2：Sample Selection and Data Sources:
The study focuses on organic nonlinear optical crystals (NOCs) like DAST and OH
3：List of Experimental Equipment and Materials:
Includes DAST crystals, Ti:Sapphire laser, optical parametric amplifier, and interferometer for pump pulse modulation.
4：Experimental Procedures and Operational Workflow:
Involves modulating pump pulses for frequency control and using double-stacked NOCs (ds-NOCs) for polarization control.
5：Data Analysis Methods:
Numerical simulations are used to analyze the generated THz waveforms and polarization states.
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