Simulation on a Photocathode-based Microtron Using a 3D PIC CodeSimulation on a Photocathode-based Microtron Using a 3D PIC Code
- Other Titles
- Simulation on a Photocathode-based Microtron Using a 3D PIC Code
- Authors
- 박선정; 정영욱; 박성희; 장규하; Nikolay A. Vinokurov; 김은산
- Issue Date
- 2015
- Publisher
- 한국물리학회
- Keywords
- Microtron; Accelerator; THz generator
- Citation
- Journal of the Korean Physical Society, v.66, no.3, pp.358 - 363
- Indexed
- SCIE
SCOPUS
KCI
- Journal Title
- Journal of the Korean Physical Society
- Volume
- 66
- Number
- 3
- Start Page
- 358
- End Page
- 363
- URI
- https://scholar.korea.ac.kr/handle/2021.sw.korea/95000
- ISSN
- 0374-4884
- Abstract
- The Korea Atomic Energy Research Institute (KAERI) has used a microtron accelerator basedon a thermionic cathode for operating a compact terahertz (THz) FEL, where the electrons areemitted and accelerated automatically during the radio-frequency (RF) macro-pulse over thresholdpower for their emission. Usually a thermionic cathode is embedded inside the microtron cavity forelectron-beam emission, and at the same time acceleration is due to the input RF source. In thiscase, the accelerator scheme is simple, but just a fraction of the emitted electrons are accelerated,and the electron bunch length is uncontrollable due to the RF phase condition for acceleration.
In this paper, a photocathode-based microtron which is able to produce high peak (∼100 A) andultrashort (∼1 ps) electron bunch is studied to adapt it for an electron injector of a THz generator.
Especially, we analyzed the electron beam dynamics along the accelerating trajectory with a 3DPIC-code to find the optimized RF phase and laser input time.
- Files in This Item
- There are no files associated with this item.
- Appears in
Collections - Graduate School > Department of Accelerator Science > 1. Journal Articles
Items in ScholarWorks are protected by copyright, with all rights reserved, unless otherwise indicated.