Imperial College London
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Jack W. D. Halliday

Faculty of Natural Sciences, Department of Physics

Academic Visitor
 
 
 
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Contact

 

+44 (0)20 7594 6721jack.halliday12 CV

 
 
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Location

 

747Blackett LaboratorySouth Kensington Campus

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Summary

 

Publications

Citation

BibTex format

@article{Hare:2021:10.1063/5.0040919,
author = {Hare, J and Burdiak, G and Merlini, S and Chittenden, J and Clayson, T and Crilly, A and Halliday, J and Russell, D and Smith, R and Stuart, N and Suttle, L and Lebedev, S},
doi = {10.1063/5.0040919},
journal = {Review of Scientific Instruments},
title = {An imaging refractometer for density fluctuation measurements in high energy density plasmas},
url = {http://dx.doi.org/10.1063/5.0040919},
volume = {92},
year = {2021}
}
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RIS format (EndNote, RefMan)

TY  - JOUR
AB  - We report on a recently developed laser-probing diagnostic which allows direct measurements of ray-deflection anglesin one axis, whilst retaining imaging capabilities in the other axis. This allows us to measure the spectrum of angulardeflections from a laser beam which passes though a turbulent high-energy-density plasma. This spectrum containsinformation about the density fluctuations within the plasma, which deflect the probing laser over a range of angles. Wecreate synthetic diagnostics using ray-tracing to compare this new diagnostic with standard shadowgraphy and schlierenimaging approaches, which demonstrates the enhanced sensitivity of this new diagnostic over standard techniques. Wepresent experimental data from turbulence behind a reverse shock in a plasma and demonstrate that this technique canmeasure angular deflections between 0.06 and 34 mrad, corresponding to a dynamic range of over 500.
AU  - Hare,J
AU  - Burdiak,G
AU  - Merlini,S
AU  - Chittenden,J
AU  - Clayson,T
AU  - Crilly,A
AU  - Halliday,J
AU  - Russell,D
AU  - Smith,R
AU  - Stuart,N
AU  - Suttle,L
AU  - Lebedev,S
DO  - 10.1063/5.0040919
PY  - 2021///
SN  - 0034-6748
TI  - An imaging refractometer for density fluctuation measurements in high energy density plasmas
T2  - Review of Scientific Instruments
UR  - http://dx.doi.org/10.1063/5.0040919
UR  - http://hdl.handle.net/10044/1/86213
VL  - 92
ER  -
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