Evaluation of Yields of γ-Rays Produced by Electrons from Gas Jets Irradiated by Low-Energy Laser Pulses: Towards "Virtual Radioisotopes''

被引：6

作者：

Oishi, Yuji ^{[1
]}

Nayuki, Takuya ^{[1
]}

Zhidkov, Alexei ^{[1
]}

Fujii, Takashi ^{[1
]}

Nemoto, Koshichi ^{[1
]}

机构：

[1] Cent Res Inst Elect Power Ind, Kanagawa 2400196, Japan

来源：

JAPANESE JOURNAL OF APPLIED PHYSICS | 2011年 / 50卷 / 04期

关键词：

FEMTOSECOND-LASER; ACCELERATION; INJECTION;

D O I：

10.1143/JJAP.50.042702

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Electron generation from a gas jet irradiated by low-energy femtosecond laser pulses is studied as a promising source of similar to 1MeV radiation for radioisotope-free gamma-ray imaging systems: "virtual radioisotopes''. The yield of gamma-rays in the 0.5-2MeV range produced by low-average-power lasers and gas targets exceeds the yields from solid tape targets up to 2 orders of magnitude; it can be competitive with the yield from conventional radioisotopes used in industrial applications. (C) 2011 The Japan Society of Applied Physics

引用

页数：4

共 49 条

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