研究目的
Investigating the possibility of creating a wake undulator on a bending acoustic wave in an accelerator structure with dielectric filling.
研究成果
At transverse displacements of the axis of the waveguide, which are 10–30% of the width of the gap of the vacuum channel in the dielectric, a combination of generation sufficiently large to create the undulator effect of the field without significant particle loss due to settling on the waveguide walls is achieved. Changes in the frequency and amplitude of the acoustic wave allow control over the magnitude of the transverse field and the undulator coefficient.
研究不足
The study is limited by the assumption of negligible changing of a relativistic factor over time and the consideration of a one mode regime to provide coherent radiation.
1：Experimental Design and Method Selection:
The study considers the use of transverse wakefield fields to create oscillation of the beam electrons and generate undulator radiation. The axis of the waveguide is designed in the form of a sinusoid to periodically change the displacement of the head part of the beam relative to the axis of the waveguide.
2：Sample Selection and Data Sources:
The study examines the filamentary electronic beam with the longitudinal charge distribution moving along the axis of waveguide with displacement.
3：List of Experimental Equipment and Materials:
The study involves the use of a rectangular waveguide with symmetric filling in the form of dielectric transversal isotropic layers parallel to the x axis and with the vacuum channel at the centre.
4：Experimental Procedures and Operational Workflow:
The study calculates the self-consistent beam dynamics in the rectangular dielectric wakefield waveguide and considers the beam dynamics in a curved waveguide.
5：Data Analysis Methods:
The resulting equation of the beam dynamics in a curved waveguide is solved both numerically and analytically.
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