Broadband, high dynamics and high resolution charge coupled device-based spectrometer in dynamic mode for multi-keV repetitive x-ray sources

被引：44

作者：

Fourment, C. ^{[1
]}

Arazam, N. ^{[1
]}

Bonte, C. ^{[1
]}

Caillaud, T. ^{[2
]}

Descamps, D. ^{[1
]}

Dorchies, F. ^{[1
]}

Harmand, M. ^{[1
]}

Hulin, S. ^{[1
]}

Petit, S. ^{[1
]}

Santos, J. J. ^{[1
]}

机构：

[1] Univ Bordeaux, CNRS, CEA, CELIA, F-33405 Talence, France

[2] CEA, CESTA, F-33114 Le Barp, France

来源：

REVIEW OF SCIENTIFIC INSTRUMENTS | 2009年 / 80卷 / 08期

关键词：

LASER-SOLID INTERACTIONS; CCD; DIFFUSION; DETECTORS; CALIBRATION;

D O I：

10.1063/1.3189004

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

We present a new operating mode, using a charged coupled device as dispersionless spectrometer dedicated to repetitive x-ray sources in the multi-keV domain. This enables to get spectra with high statistics in a short acquisition time and a way compatible with the operation of other diagnostics requiring accumulation. Several reconstruction algorithms for the spreading events are discussed, and a near Fano-limited resolution is demonstrated by using single pixel events. In this case, a method to take into account partial canceling of the events is presented. Experimental characterization and detailed modeling of the detector are performed, which allow to determine absolute number of photon with +/- 35% accuracy. Characterization of the 5-25 keV x rays emitted by a short pulse laser-produced plasma is reported, as well as their dependency with the atomic number, the laser duration, and energy. (C) 2009 American Institute of Physics. [DOI: 10.1063/1.3189004]

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