A split imaging spectrometer for temporally and spatially resolved titanium absorption spectroscopy

Hager, J. D.; Lanier, N. E.; Kline, J. L.; Flippo, K. A.; Bruns, H. C.; Schneider, M.; Saculla, M.; McCarville, T.

doi:10.1063/1.4885843

Title: A split imaging spectrometer for temporally and spatially resolved titanium absorption spectroscopy

Journal Article · Fri Jul 11 00:00:00 EDT 2014 · Review of Scientific Instruments

DOI:https://doi.org/10.1063/1.4885843· OSTI ID:1886144

Hager, J. D. ^[1]; Lanier, N. E. ^[1]; Kline, J. L. ^[1]; Flippo, K. A. ^[1]; Bruns, H. C. ^[2]; Schneider, M. ^[2]; Saculla, M. ^[2]; McCarville, T. ^[2]

Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)

In this work, we present a temporally and a spatially resolved spectrometer for titanium x-ray absorption spectroscopy along 2 axial symmetric lines-of-sight. Each line-of-sight of the instrument uses an elliptical crystal to acquire both the 2p and 3p Ti absorption lines on a single, time gated channel of the instrument. The 2 axial symmetric lines-of-sight allow the 2p and 3p absorption features to be measured through the same point in space using both channels of the instrument. The spatially dependent material temperature can be inferred by observing the 2p and the 3p Ti absorption features. The data are recorded on a two strip framing camera with each strip collecting data from a single line-of-sight. The design is compatible for use at both the OMEGA laser and the National Ignition Facility. The spectrometer is intended to measure the material temperature behind a Marshak wave in a radiatively driven SiO2 foam with a Ti foam tracer. In this configuration, a broad band CsI backlighter will be used for a source and the Ti absorption spectrum measured.

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Research Organization:: Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)

Sponsoring Organization:: USDOE National Nuclear Security Administration (NNSA)

Grant/Contract Number:: AC52-07NA27344

OSTI ID:: 1886144

Report Number(s):: LLNL-JRNL-839509; 1060450; TRN: US2310034

Journal Information:: Review of Scientific Instruments, Vol. 85, Issue 11; Conference: Proceedings of the 20. Topical Conference on High-Temperature Plasma Diagnostics, Atlanta, GA (United States), 1-5 Jun 2014; ISSN 0034-6748

Publisher:: American Institute of Physics (AIP)Copyright Statement

Country of Publication:: United States

Language:: English

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Cited by: 1 work

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References (20)

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