研究目的
To characterize the accelerating mode of a dielectric-lined waveguide (DLW) for terahertz-driven manipulation of relativistic electron beams.
研究成果
The study successfully characterized the accelerating mode of a DLW using a THz beam with a quasi-TEM01 mode, demonstrating the potential for THz-driven manipulation of relativistic electron beams. Future work could explore optimization of the DLW design for enhanced interaction efficiency.
研究不足
The study is limited by the dispersion of the THz pulse within the DLW, which affects the interaction length and efficiency of electron beam manipulation.
1：Experimental Design and Method Selection:
The study involved the generation of a THz beam with a quasi-TEM01 mode using a combined spintronic source and its application to characterize the accelerating mode of a DLW.
2：Sample Selection and Data Sources:
The DLW was designed with a hollow rectangular copper structure lined with fused silica.
3：List of Experimental Equipment and Materials:
Equipment included a combined spintronic source, a Ti:sapphire regenerative amplifier laser system, and a ZnTe crystal for THz detection.
4：Experimental Procedures and Operational Workflow:
The THz beam was focused into the DLW, and the transmitted THz radiation was measured using a THz time domain spectrometer setup.
5：Data Analysis Methods:
The dispersion of the accelerating LSM11 mode was analyzed through time-frequency analysis of the transmitted THz pulse.
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