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Compact focusing von Hamos spectrometer for quantitative x-ray spectroscopy

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Permanent URL	http://hdl.lib.byu.edu/1877/1264
Title	Compact focusing von Hamos spectrometer for quantitative x-ray spectroscopy
BYU Creator	Knight, Larry V.
Creator	Shevelko, A. P. Kasyanov, Yu S. Yakushev, O. F.
Keywords	spectrometer; crystal; von Hamos; x-ray spectroscopy; CCD
Description/Abstract	A compact focusing crystal spectrometer based on the von Hamos scheme is described. Cylindrically curved mica and graphite crystals with a radius of curvature of R = 20 mm are used in the spectrometer. A front illuminated charge-coupled device (CCD) linear array detector makes this spectrometer useful for real-time spectroscopy of laser-produced plasma x-ray sources within the wavelength range of lambda= 1.8-10 Angstroms. Calibration of crystals and the CCD linear array makes it possible to measure absolute photon fluxes. X-ray spectra in an absolute intensity scale were obtained from Mg, Ti, and Fe laser-produced plasmas, with a spectral resolution lambda/delta lambda= 800-2000 for the mica and lambda/ delta lambda= 200-300 for graphite crystal spectrometers. The spectrometer has high efficiency in a wide spectral range, it is compact (40 mm diam, 150 mm length), easy to align, and flexible. The spectrometer is promising for absolute spectral measurements of x-ray radiation of low-intensity sources (femtosecond laser-produced plasmas, micropinches, electron-beam “ion-trap sources, etc."
Source	Shevelko, A. P., Yu, O. F. Yakushev, and L. V. Knight."Compact focusing von Hamos spectrometer for quantitative x-ray spectroscopy." Review of Scientific Instruments 73 (2002): 3458-3463.;
Publisher	AIP
Date Original	2002-10-01
Language	English eng en
Publication Type	Articles
Type	Text
Format	application/pdf
Owning Institution	Brigham Young University
BYU College	College of Physical and Mathematical Sciences
BYU Department	Physics and Astronomy
Copyright Status	(c) 2002 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. The following article appeared in The Journal of Chemical Physics and may be found at http://link.aip.org/link/?RSINAK/73/3458/1;
Copyright Use Information	http://www.lib.byu.edu/generic_copyright.html

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