Work

Study on a Polarization Controllable Undulator for High-Gain Free Electron Lasers

Year: 2025

Type: conference-paper

Abstract: SASE FEL can generate intense and coherent linearly-polarized X-ray when high energy electron beams travelling through a long planar undulator. It is also of great importance and interest to control the polarization of FEL. One possible solution is utilizing a customized undulator to adjust the magnetic field direction. By tuning the displacement of the magnetic block arrangement, variation of polarization could be achieved. In this paper we study on a polarization controllable undulator to realize the variable polarized magnetic field. Different shapes and design considerations of the magnetic block configuration will be introduced. The value of peak field and the region of good field will be analysed and discussed.

Source: JACOW

DOI: 10.18429/jacow-sap2023-mopb003

Authors: Huang, Ruixuan, Chen, Lijun, Jia, Qika

Institutions: University of Science and Technology of China, National Synchrotron Radiation Laboratory, China Academy of Engineering Physics

Language: English

Topic: Particle Accelerators and Free-Electron Lasers

Subfield: Electrical and Electronic Engineering

Field: Engineering

Domain: Physical Sciences

Open Access status: hybrid

OpenAlex ID: W6963063369

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