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초강력 레이저 과학 연구단
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Radiation pressure acceleration of protons to 93 MeV with circularly polarized petawatt laser pulses

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Title
Radiation pressure acceleration of protons to 93 MeV with circularly polarized petawatt laser pulses
Author(s)
I Jong Kim; Ki Hong Pae; Il Woo Choi; Lee, CL; Hyung Taek Kim; Himanshu Singhal; Jae Hee Sung; Seong Ku Lee; Hwang Woon Lee; Nickles, PV; Tae Moon Jeong; Chul Min Kim; Chang Hee Nam
Publication Date
2016-07
Journal
PHYSICS OF PLASMAS, v.23, no.7, pp.070701 -
Publisher
AMER INST PHYSICS
Abstract
The radiation pressure acceleration (RPA) of charged particles has been a challenging task in laser-driven proton/ion acceleration due to its stringent requirements in laser and target conditions. The realization of radiation-pressure-driven proton acceleration requires irradiating ultrathin targets with an ultrahigh contrast and ultraintense laser pulses. We report the generation of 93-MeV proton beams achieved by applying 800-nm 30-fs circularly polarized laser pulses with an intensity of 6.1 x 10(20)W=cm(2) to 15-nm-thick polymer targets. The radiation pressure acceleration was confirmed from the obtained optimal target thickness, quadratic energy scaling, polarization dependence, and three-dimensional particle-in-cell simulations. We expect this clear demonstration of RPA to facilitate the realization of laser-driven proton/ion sources delivering energetic and short-pulse particle beams for novel applications. Published by AIP Publishing
URI
https://pr.ibs.re.kr/handle/8788114/2892
ISSN
1070-664X
Appears in Collections:
Center for Relativistic Laser Science(초강력 레이저과학 연구단) > Journal Papers (저널논문)
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