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Proceedings Paper

Time-Resolved X-Ray Spectrographic Instrumentation For Laser Fusion And X-Ray Laser Studies
Author(s): M. C. Richardson; G. G. Gregory; S. A. Letzring; R. S. Marjoribanks; B. Yaakobi; B. L. Henke; P. A. Jaanimagi; A. Hauer
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Paper Abstract

Recent advances in the development of high resolution time-resolving x-ray spectroscopic instrumentation have considerably improved the capabilities of diagnosing details of electron and radiation transport, implosion dynamics and final compressed core conditions of laser fusion targets. In addition, the current interest in x-ray laser schemes utilizing laser-produced plasmas places even more stringent demands on time- and space-resolved x-ray and XUV diagnostics. In this paper we will summarize some of the recent technical developments made at LLE to meet these needs, and give illustrations of the capabilities of new x-ray spectroscopic instrumentation activated on recent laser fusion and x-ray laser experiments. Technical details, performance criteria and typical experimental results will be presented on several time resolving spectrographic systems. A soft x-ray, transmission grating, streak spectrograph (resolution ~ 1.5 Å) time-resolves spectra in the 3-200 Å range. A streak elliptical crystal spectrograph permits the resolution of x-rays in a number of spectral regions in the 2-100 Å range. We will also present details of (a) a streak planar crystal spectrograph having high spectral resolution and sensitivity, and (b) a novel, high resolving power (λ/Δλ ~ 103) streak spectrograph incorporating a unique crystal geometry permitting high dispersion, and having good collection efficiency. The impact these developments will have on current investigations of high temperature, dense plasmas in laser fusion and x-ray laser research will be discussed.

Paper Details

Date Published: 14 January 1986
PDF: 10 pages
Proc. SPIE 0569, High Speed Photography, Videography, and Photonics III, (14 January 1986); doi: 10.1117/12.949876
Show Author Affiliations
M. C. Richardson, University of Rochester (United States)
G. G. Gregory, University of Rochester (United States)
S. A. Letzring, University of Rochester (United States)
R. S. Marjoribanks, University of Rochester (United States)
B. Yaakobi, University of Rochester (United States)
B. L. Henke, University of California (United States)
P. A. Jaanimagi, University of California (United States)
A. Hauer, University of California (United States)


Published in SPIE Proceedings Vol. 0569:
High Speed Photography, Videography, and Photonics III
Howard C. Johnson; Bernard G. Ponseggi, Editor(s)

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