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|a (TOE)ost1774897
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|a E 1.99:1774897
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|a E 1.99:1774897
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|a An imaging refractometer for density fluctuation measurements in high energy density plasmas
|h [electronic resource]
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|a Washington, D.C. :
|b United States. National Nuclear Security Administration ;
|a Oak Ridge, Tenn. :
|b Distributed by the Office of Scientific and Technical Information, U.S. Department of Energy,
|c 2021.
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| 300 |
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|a Size: Article No. 033521 :
|b digital, PDF file.
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|a text
|b txt
|2 rdacontent.
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|a computer
|b c
|2 rdamedia.
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|a online resource
|b cr
|2 rdacarrier.
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|a Published through Scitech Connect.
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|a 03/08/2021.
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|a "Journal ID: ISSN 0034-6748."
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|a ": US2209275."
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|a Hare, J. D. ; Burdiak, G. C. ; Merlini, S. ; Chittenden, J. P. ; Clayson, T. ; Crilly, A. J. ; Halliday, J. W. D. ; Russell, D. R. ; Smith, R. A. ; Stuart, N. ; et al.
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|a Cornell Univ., Ithaca, NY (United States)
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|a Engineering and Physical Sciences Research Council (EPSRC)
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|a In this work, we report on a recently developed laser-probing diagnostic which allows direct measurements of ray-deflection angles in one axis, whilst retaining imaging capabilities in the other axis. This allows us to measure the spectrum of angular deflections from a laser beam which passes though a turbulent high-energy-density plasma. This spectrum contains information about the density fluctuations within the plasma, which deflect the probing laser over a range of angles. We create synthetic diagnostics using ray-tracing to compare this new diagnostic with standard shadowgraphy and schlieren imaging approaches, which demonstrates the enhanced sensitivity of this new diagnostic over standard techniques. We present experimental data from turbulence behind a reverse shock in a plasma and demonstrate that this technique can measure angular deflections between 0.06 and 34 mrad, corresponding to a dynamic range of over 500.
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|b NA0003764.
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|b F03-02NA00057.
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|b SC-0001063.
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|b SC0020434.
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|b EP/N013379/1.
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|a 47 other instrumentation
|2 local.
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|a Optical devices
|2 local.
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|a Lasers
|2 local.
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|a Density measurement
|2 local.
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|a Optical imaging
|2 local.
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|a Geometrical optics
|2 local.
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|a Refractometers
|2 local.
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|a Other instrumentation
|2 local.
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|a United States.
|b National Nuclear Security Administration.
|4 spn.
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|a United States.
|b Department of Energy.
|b Office of Scientific and Technical Information
|4 dst.
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| 856 |
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|u https://www.osti.gov/servlets/purl/1774897
|z Full Text (via OSTI)
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| 907 |
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|a .b128267355
|b 02-28-23
|c 12-08-22
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|a web
|b 12-08-22
|c f
|d m
|e p
|f eng
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|h 3
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|a Information bridge
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|i ddd74f3c-1246-5465-89d4-a53eda1279d1
|s 484837df-b422-5397-a068-f8ef2f6aa140
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|p Can circulate
|a University of Colorado Boulder
|b Online
|c Online
|d Online
|e E 1.99:1774897
|h Superintendent of Documents classification
|i web
|n 1
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