SLEGS CO2激光器门控连续波工作中的伽马射线通量

IF 1.4 3区物理与天体物理 Q3 INSTRUMENTS & INSTRUMENTATION Nuclear Instruments & Methods in Physics Research Section A-accelerators Spectrometers Detectors and Associated Equipment Pub Date : 2025-04-01 Epub Date: 2025-01-29 DOI:10.1016/j.nima.2025.170249

H.H. Xu , H. Utsunomiya , G.T. Fan , L.X. Liu , H.W. Wang , Z.R. Hao , Y. Zhang , S. Jin , K.J. Chen , Y.X. Yang , Q.K. Sun , Z.W. Wang , Z.C. Li , P. Jiao , M.D. Zhou , S. Ye , F. Lu , X.G. Cao

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引用次数: 0

摘要

在上海同步辐射设施的上海激光电子伽玛源（SLEGS）上，激光康普顿斜散射产生了准单色伽玛射线束。高功率CO2激光器工作在门控连续波模式下，脉冲重复频率为1 ~ 100khz，脉宽为1μs。CO2激光器的门控连续波操作产生具有多种时间结构和通量的脉冲伽马射线束。我们报告了门控连续波操作中激光的基本特性，以及两种适用于核物理实验和工业应用的伽马射线束的伽马通量。

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Gamma-ray flux in Gated CW operation of CO2 laser at SLEGS

Quasi-monochromatic gamma-ray beams are produced in the laser Compton slant-scattering at the Shanghai Laser Electron Gamma Source (SLEGS) of the Shanghai Synchrotron Radiation Facility. A high-power CO

_{2}

laser is operated in Gated CW mode in a wide range of pulse repetition frequencies of 1–100 kHz and pulse width

> 1 μ

s. The Gated CW operation of the CO

_{2}

laser generates pulse gamma-ray beams with a variety of time structure and gamma flux. We report fundamental laser properties in the Gated CW operation and the gamma flux in two cases of gamma-ray beams suited to nuclear physics experiments and industrial applications.

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来源期刊

Nuclear Instruments & Methods in Physics Research Section A-accelerators Spectrometers Detectors and Associated Equipment 物理-光谱学

CiteScore

3.20

自引率

21.40%

发文量

787

审稿时长

1 months

期刊介绍： Section A of Nuclear Instruments and Methods in Physics Research publishes papers on design, manufacturing and performance of scientific instruments with an emphasis on large scale facilities. This includes the development of particle accelerators, ion sources, beam transport systems and target arrangements as well as the use of secondary phenomena such as synchrotron radiation and free electron lasers. It also includes all types of instrumentation for the detection and spectrometry of radiations from high energy processes and nuclear decays, as well as instrumentation for experiments at nuclear reactors. Specialized electronics for nuclear and other types of spectrometry as well as computerization of measurements and control systems in this area also find their place in the A section. Theoretical as well as experimental papers are accepted.