Open Access System for Information Sharing

Login Library

 

Article
Cited 12 time in webofscience Cited 11 time in scopus
Metadata Downloads

Plasma channel generation for electron acceleration with a laser-induced density gradient SCIE SCOPUS KCI

Title
Plasma channel generation for electron acceleration with a laser-induced density gradient
Authors
Jang, HKim, JYoo, SHur, MSSuk, HCho, MHNamkung, W
Date Issued
2007-05
Publisher
KOREAN PHYSICAL SOC
Abstract
Injection is a critical issue for the generation of a small-energy-spread, high-energy electron beam by using a laser wakefield accelerator (LWFA). By using a steep downward density gradient of plasma electrons at a gas target, a portion of the background electrons can be trapped locally in the laser wakefield, and they are accelerated by the field. To make a steep downward electron density gradient, we generated a pre-plasma using a 200-ps 800-mJ Nd:Glass laser, and we measured its electron density by using a Mach-Zehnder interferometer. Due to the shock structure of the plasma with a background neutral gas, a steep density gradient (similar to 8 x 10(18) cm(-3) /20 mu m) could be generated. In the near future, a 20-TW, 30-fs Ti:Sapphire laser will be sent to this pre-plasma to generate an electron beam. In this paper, some preliminary experimental results and an ongoing work are reported.
Keywords
laser accelerator; advanced accelerator; electron beam generation; TERAWATT LASER; WAKE FIELDS; PULSES; TRANSITION; WAKEFIELD; INJECTION
URI
https://oasis.postech.ac.kr/handle/2014.oak/31456
DOI
10.3938/jkps.50.1466
ISSN
0374-4884
Article Type
Article
Citation
JOURNAL OF THE KOREAN PHYSICAL SOCIETY, vol. 50, no. 5, page. 1466 - 1470, 2007-05
Files in This Item:
There are no files associated with this item.

qr_code

  • mendeley

Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.

Related Researcher

Researcher

조무현CHO, MOO HYUN
Div. of Advanced Nuclear Enginrg
Read more

Views & Downloads

Browse