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Proceedings Paper

A light-weight optics-free EUV spectrometer with substantially improved efficiency and spectral resolution
Author(s): Leonid V. Didkovsky; Darrell L. Judge; Seth Wieman
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Paper Abstract

We present a simple EUV spectrometer based on chemically inert rare gas photon ionization and energy analysis of the resulting electrons. Precise photoelectron focusing and high electron transmission efficiency from the gas ionization area to the detector are combined with an optimum luminosity angle of 90 deg in an axi-symmetric design. All together, these features will allow us to achieve higher efficiency and spectral resolution than other spectrometers of this type reported to date. The modeled (neon) spectral resolution in the spectral range of 5 - 40 nm is 0.1 - 0.035 nm, respectively. A model of the proposed photoelectron focusing system is analyzed.

Paper Details

Date Published: 20 September 2007
PDF: 10 pages
Proc. SPIE 6689, Solar Physics and Space Weather Instrumentation II, 66890Q (20 September 2007); doi: 10.1117/12.732879
Show Author Affiliations
Leonid V. Didkovsky, Univ. of Southern California (United States)
Darrell L. Judge, Univ. of Southern California (United States)
Seth Wieman, Univ. of Southern California (United States)

Published in SPIE Proceedings Vol. 6689:
Solar Physics and Space Weather Instrumentation II
Silvano Fineschi; Rodney A. Viereck, Editor(s)

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