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학술지 Control of the Charge and Energy of the Proton Beams from a Laser-Driven Double-Layer Target
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저자
김영국, 조명훈, 박형주, 정문연, 허민섭
발행일
201508
출처
Current Applied Physics, v.15 no.8, pp.892-896
ISSN
1567-1739
출판사
Elsevier
DOI
https://dx.doi.org/10.1016/j.cap.2015.03.027
협약과제
14MC1200, 종양치료용 레이저 이온 가속 시스템 원천 기술 개발, 정문연
초록
Abstract Control of the proton beam charge and energy in a laser-driven double-layer target was numerically investigated. Generally the proton beam charge is determined by the areal density ?? = nl of the second layer, while the accelerating field is governed by the substrate thickness L. From a series of one-dimensional particle-in-cell simulations over a broad range of ?? and L, it was confirmed that those two control parameters do not interfere significantly, indicating the beam charge and energy can be separately controlled. We suggest self-assembly monolayers technique be used for the fabrication of the areal density of the second layer.
키워드
Areal density, Double layer, Proton acceleration, Proton energy control
KSP 제안 키워드
Areal density, Double layer, Energy control, Laser-driven, One-dimensional, Particle-in-Cell simulations, Proton acceleration, Proton beam, Substrate thickness, control parameters, self-assembly monolayers