激光驱动MeV x射线成像的诊断发展和需求。

IF 1.3 4区工程技术 Q3 INSTRUMENTS & INSTRUMENTATION

Review of Scientific Instruments Pub Date : 2024-12-01 DOI:10.1063/5.0219493

D R Rusby, G J Williams, S M Kerr, A Aghedo, D Alessi, S Anderson, M Hill, I Rodger, M Rubery, M P Selwood, F Treffert, A J Mackinnon

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引用次数: 0

摘要

激光驱动的MeV x射线摄影的动态，密集的物体需要一个小的，高通量的高能x射线源，以产生足够质量的图像。了解多mev x射线光谱强调了从当前激光源推断未来可能部署这种射线照相模式的新型激光器的能力。在这里，我们提出了现有的x射线诊断和技术的小研究。我们还介绍了国家点火设施先进放射成像能力的工作，在那里我们部署了三种诊断方法来测量高达30 MeV的x射线光谱。最后，我们还讨论了两种新的诊断方法的需求和发展：单晶闪烁光谱仪和快速衰变激活。

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Diagnostic development and needs for laser driven MeV x-ray radiography.

Laser-driven MeV x-ray radiography of dynamic, dense objects demands a small, high flux source of energetic x-rays to generate an image with sufficient quality. Understanding the multi-MeV x-ray spectrum underscores the ability to extrapolate from the current laser sources to new future lasers that might deploy this radiography modality. Here, we present a small study of the existing x-ray diagnostics and techniques. We also present work from National Ignition Facility-Advanced Radiographic Capability, where we deploy three diagnostics to measure the x-ray spectrum up to 30 MeV. Finally, we also discuss the needs and developments of two new diagnostics: a single crystal scintillator spectrometer and a fast decay activation.

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来源期刊

Review of Scientific Instruments 工程技术-物理：应用

CiteScore

3.00

自引率

12.50%

发文量

758

审稿时长

2.6 months

期刊介绍： Review of Scientific Instruments, is committed to the publication of advances in scientific instruments, apparatuses, and techniques. RSI seeks to meet the needs of engineers and scientists in physics, chemistry, and the life sciences.