BROWSE

Related Scientist

Researcher

Prashant Kumar Singh
초강력 레이저과학 연구단
more info

Intensified proton and carbon ion flux from femtosecond laser driven plasma source

Cited 0 time in webofscience Cited 0 time in scopus
9 Viewed 1 Downloaded
Title
Intensified proton and carbon ion flux from femtosecond laser driven plasma source
Author(s)
P. K. Singh; A. A. Andreev; K. F. Kakolee; S. Ter-Avetisyan
Publication Date
2018-11
Journal
PHYSICS OF PLASMAS, v.25, no.11, pp.113113 -
Publisher
AMER INST PHYSICS
Abstract
Ion acceleration from aluminium foils irradiated with a 30 fs laser pulse of similar to 10(20) W/cm(2) intensity at an incidence angle of 45 degrees was investigated. Laser intensity contrast enhancement by a factor of 100 resulted in a nearly 7 and 30 times increase in proton and carbon ion flux, respectively, while their maximum energy remains almost unchanged. More than 10(13) protons and 10(14) carbon C4+ ions per MeV bandwidth per steradian solid angle were measured. Simulations, being in a good agreement with the experimental findings, have revealed that the difference in proton emission between the low and high contrast cases is a narrower angular distribution of protons at high laser pulse contrast. In the low contrast scenario, the plasma density gradient increases the hot electron divergence, leading to the reduction of particle flux in a fixed solid angle. The analytical model verifies the concept of the theoretical limit of particle flux. These results open up the possibility for further optimization of the laser driven bright source of energetic particles. Published by AIP Publishing
URI
http://pr.ibs.re.kr/handle/8788114/5324
ISSN
1070-664X
Appears in Collections:
Center for Relativistic Laser Science(초강력 레이저과학 연구단) > Journal Papers (저널논문)
Files in This Item:
Intensified proton and carbon ion flux from femtosecond laser driven plasma source.pdfDownload

qrcode

  • facebook

    twitter

  • Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.
해당 아이템을 이메일로 공유하기 원하시면 인증을 거치시기 바랍니다.

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

Browse