SAP2023 - List of Authors (Jia, Q.K.)

Paper	Title	Page
MOPB003	Study on a Polarization Controllable Undulator for High-Gain Free Electron Lasers	18
	R. Huang, Q.K. Jia USTC/NSRL, Hefei, Anhui, People’s Republic of China L.J. Chen CAEP/IAE, Mianyang, Sichuan, People’s Republic of China
	Funding: Work is supported by National Natural Science Foundation of China (12175224, 11805200) 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.
DOI •	reference for this paper ※ doi:10.18429/JACoW-SAP2023-MOPB003
About •	Received ※ 01 July 2023 — Revised ※ 08 July 2023 — Accepted ※ 09 July 2023 — Issued ※ 20 July 2024
Cite •	reference for this paper using ※ BibTeX, ※ LaTeX, ※ Text/Word, ※ RIS, ※ EndNote (xml)

Paper

Title

Page

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

18

R. Huang, Q.K. Jia
USTC/NSRL, Hefei, Anhui, People’s Republic of China
L.J. Chen
CAEP/IAE, Mianyang, Sichuan, People’s Republic of China

Funding: Work is supported by National Natural Science Foundation of China (12175224, 11805200)
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.

DOI •

reference for this paper ※ doi:10.18429/JACoW-SAP2023-MOPB003

About •

Received ※ 01 July 2023 — Revised ※ 08 July 2023 — Accepted ※ 09 July 2023 — Issued ※ 20 July 2024

Cite •

reference for this paper using ※ BibTeX, ※ LaTeX, ※ Text/Word, ※ RIS, ※ EndNote (xml)