A new spectrometer design for the x-ray spectroscopy of laser-produced plasmas with high (sub-ns) time resolution
Abstract
This work describes a new type of x-ray crystal spectrometer, which can be used in combination with gated x-ray detectors to obtain spectra from laser-produced plasmas with a high (sub-ns) time resolution. The spectrometer consists of a convex, spherically bent crystal, which images individual spectral lines as perfectly straight lines across multiple, sequentially gated, strip detectors. Since the Bragg-reflected rays are divergent, the distance between detector and crystal is arbitrary, so that this distance can be appropriately chosen to optimize the experimental arrangement with respect to the detector parameters. The spectrometer concept was verified in proof-of-principle experiments by imaging the Lβ1- and Lβ2-lines of tungsten, at 9.6735 and 9.96150 keV, from a micro-focus x-ray tube with a tungsten target onto a two-dimensional pixilated Pilatus detector, using a convex, spherically bent Si-422 crystal with a radius of curvature of 500 mm.
- Authors:
-
- Princeton Plasma Physics Lab. (PPPL), Princeton, NJ (United States)
- Chongqing Univ. (China)
- Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
- Publication Date:
- Research Org.:
- Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
- Sponsoring Org.:
- USDOE National Nuclear Security Administration (NNSA)
- OSTI Identifier:
- 1809194
- Report Number(s):
- LLNL-JRNL-657031
Journal ID: ISSN 0034-6748; 777842; TRN: US2212984
- Grant/Contract Number:
- AC52-07NA27344; AC02-09CH11466
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Review of Scientific Instruments
- Additional Journal Information:
- Journal Volume: 85; Journal Issue: 11; Journal ID: ISSN 0034-6748
- Publisher:
- American Institute of Physics (AIP)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 70 PLASMA PHYSICS AND FUSION TECHNOLOGY; plasma physics
Citation Formats
Bitter, M., Hill, K. W., Efthimion, P. C., Delgado-Aparicio, L., Pablant, N., Lu, Jian, Beiersdorfer, P., and Chen, Hui. A new spectrometer design for the x-ray spectroscopy of laser-produced plasmas with high (sub-ns) time resolution. United States: N. p., 2014.
Web. doi:10.1063/1.4894390.
Bitter, M., Hill, K. W., Efthimion, P. C., Delgado-Aparicio, L., Pablant, N., Lu, Jian, Beiersdorfer, P., & Chen, Hui. A new spectrometer design for the x-ray spectroscopy of laser-produced plasmas with high (sub-ns) time resolution. United States. https://doi.org/10.1063/1.4894390
Bitter, M., Hill, K. W., Efthimion, P. C., Delgado-Aparicio, L., Pablant, N., Lu, Jian, Beiersdorfer, P., and Chen, Hui. Sat .
"A new spectrometer design for the x-ray spectroscopy of laser-produced plasmas with high (sub-ns) time resolution". United States. https://doi.org/10.1063/1.4894390. https://www.osti.gov/servlets/purl/1809194.
@article{osti_1809194,
title = {A new spectrometer design for the x-ray spectroscopy of laser-produced plasmas with high (sub-ns) time resolution},
author = {Bitter, M. and Hill, K. W. and Efthimion, P. C. and Delgado-Aparicio, L. and Pablant, N. and Lu, Jian and Beiersdorfer, P. and Chen, Hui},
abstractNote = {This work describes a new type of x-ray crystal spectrometer, which can be used in combination with gated x-ray detectors to obtain spectra from laser-produced plasmas with a high (sub-ns) time resolution. The spectrometer consists of a convex, spherically bent crystal, which images individual spectral lines as perfectly straight lines across multiple, sequentially gated, strip detectors. Since the Bragg-reflected rays are divergent, the distance between detector and crystal is arbitrary, so that this distance can be appropriately chosen to optimize the experimental arrangement with respect to the detector parameters. The spectrometer concept was verified in proof-of-principle experiments by imaging the Lβ1- and Lβ2-lines of tungsten, at 9.6735 and 9.96150 keV, from a micro-focus x-ray tube with a tungsten target onto a two-dimensional pixilated Pilatus detector, using a convex, spherically bent Si-422 crystal with a radius of curvature of 500 mm.},
doi = {10.1063/1.4894390},
journal = {Review of Scientific Instruments},
number = 11,
volume = 85,
place = {United States},
year = {Sat Nov 01 00:00:00 EDT 2014},
month = {Sat Nov 01 00:00:00 EDT 2014}
}
Web of Science
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