闪光x射线源动态光斑大小诊断的发展

Digest of Technical Papers. PPC-2003. 14th IEEE International Pulsed Power Conference (IEEE Cat. No.03CH37472) Pub Date : 2003-06-15 DOI:10.1109/PPC.2003.1277691

S. Lutz, D. Droemer, D. Devore, D. Rovang, S. Portillo, J. Maenchen

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引用次数: 5

摘要

近年来，在研制高亮度、高剂量闪光x射线源方面进行了大量的工作。光斑大小是帮助表征光源性能的几个参数之一，并提供了一个价值数字，以评估各种光源对特定实验要求的适用性。时间积分点尺寸测量使用的射线成像薄膜和高z滚边物体已经使用了几年，并取得了巨大的成功。为了提高二极管的性能，先进的射线成像技术需要将建模和实验测量扩展到瞬态时域。一种新的时间分辨斑点探测器(TRSD)正在开发中，以提供这些信息。本文报道了与门控条纹相机耦合的148元闪烁光纤阵列性能的初步结果。讨论了空间和时间分辨率结果，并介绍了从桑迪亚国家实验室(SNL) RITS-3(射线照相综合试验台)加速器获得的数据。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Development of a dynamic spot size diagnostic for flash radiographic X-ray sources

There has been considerable work in recent years in the development of high-brightness, high-dose flash X-ray radiographic sources. Spot size is one of several parameters that helps characterize source performance and provides a figure of merit to assess the suitability of various sources to specific experimental requirements. Time-integrated spot-size measurements using radio-graphic film and a high-Z rolled-edge object have been used for several years with great success. The advanced radiographic technologies program thrust to improve diode performance requires extending both modeling and experimental measurements into the transient time domain. A new time resolved spot detector (TRSD) is under development to provide this information. In this paper we report the initial results of the performance of a 148-element scintillating fiber array that is fiber-optically coupled to a gated streak camera. Spatial and temporal resolution results are discussed and the data obtained from the Sandia national laboratories (SNL) RITS-3 (Radiographic Integrated Test Stand) accelerator are presented.

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Digest of Technical Papers. PPC-2003. 14th IEEE International Pulsed Power Conference (IEEE Cat. No.03CH37472)

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