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Rev Sci Instrum. 2017 Jan;88(1):013504. doi: 10.1063/1.4973914.

A new time and space resolved transmission spectrometer for research in inertial confinement fusion and radiation source development.

The Review of scientific instruments

P F Knapp, C Ball, K Austin, S B Hansen, M D Kernaghan, P W Lake, D J Ampleford, L A McPherson, D Sandoval, P Gard, M Wu, C Bourdon, G A Rochau, R D McBride, D B Sinars

Affiliations

  1. Sandia National Laboratories, Albuquerque, New Mexico 87185, USA.

PMID: 28147637 DOI: 10.1063/1.4973914

Abstract

We describe the design and function of a new time and space resolved x-ray spectrometer for use in Z-pinch inertial confinement fusion and radiation source development experiments. The spectrometer is designed to measure x-rays in the range of 0.5-1.5 Å (8-25 keV) with a spectral resolution λ/Δλ ∼ 400. The purpose of this spectrometer is to measure the time- and one-dimensional space-dependent electron temperature and density during stagnation. These relatively high photon energies are required to escape the dense plasma created at stagnation and to obtain sensitivity to electron temperatures ≳3 keV. The spectrometer is of the Cauchois type, employing a large 30 × 36 mm

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