研究目的
Developing small-sized terahertz free-electron lasers using low-cost and compact microtrons combining with magnetrons as high-power RF sources for security inspection applications.
研究成果
The research contributes to the development of a powerful and small-sized THz source by stabilizing the magnetron RF frequency and bunch repetition rate of the electron beam and introducing waveguides with low wave losses, potentially useful for commercial applications like security inspection.
研究不足
The technical constraints include the need to stabilize the bunch repetition rate of the electron beam from the microtron for FEL oscillators and the challenge of enhancing the interaction between a low-current electron beam and the wave inside the resonator.
1：Experimental Design and Method Selection:
The study involves the development of waveguide-mode THz FELs using magnetron-based microtrons, focusing on stabilizing the bunch repetition rate and enhancing the interaction between the electron beam and the THz wave inside the FEL resonators.
2：Sample Selection and Data Sources:
The research utilizes electron beams from a microtron and investigates the stabilization of magnetron RF frequency and bunch repetition rate.
3：List of Experimental Equipment and Materials:
Includes a microtron, magnetron, undulators, and waveguide-mode resonators.
4：Experimental Procedures and Operational Workflow:
Involves optimizing a modulator for the magnetron, coupling the magnetron with an accelerating cavity, and developing high-performance undulators and low-loss waveguide-mode resonators.
5：Data Analysis Methods:
The study analyzes the stabilization of magnetron RF frequency and the interaction between the electron beam and the THz wave.
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