Raman Backscatter as a Remote Laser Power Sensor in High-Energy-Density Plasmas [Stimulated Scattering as a Remote Laser Power Sensor in High-Density and Temperature Plasmas]

Moody, J. D.; Strozzi, D. J.; Divol, L.; Michel, P.; Robey, H. F.; LePape, S.; Ralph, J.; Ross, J. S.; Glenzer, S. H.; Kirkwood, R. K.; Landen, O. L.; MacGowan, B. J.; Nikroo, A.; Williams, E. A.

doi:10.1103/PhysRevLett.111.025001

Title: Raman Backscatter as a Remote Laser Power Sensor in High-Energy-Density Plasmas [Stimulated Scattering as a Remote Laser Power Sensor in High-Density and Temperature Plasmas]

Journal Article · Tue Jul 09 00:00:00 EDT 2013 · Physical Review Letters

DOI:https://doi.org/10.1103/PhysRevLett.111.025001· OSTI ID:1377780

Moody, J. D. ^[1]; Strozzi, D. J. ^[1]; Divol, L. ^[1]; Michel, P. ^[1]; Robey, H. F. ^[1]; LePape, S. ^[1]; Ralph, J. ^[1]; Ross, J. S. ^[1]; Glenzer, S. H. ^[2]; Kirkwood, R. K. ^[1]; Landen, O. L. ^[1]; MacGowan, B. J. ^[1]; Nikroo, A. ^[3]; Williams, E. A. ^[1]

Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
LCLS Stanford, CA (United States)
General Atomics, San Diego, CA (United States)

Stimulated Raman backscatter is used as a remote sensor to quantify the instantaneous laser power after transfer from outer to inner cones that cross in a National Ignition Facility (NIF) gas-filled hohlraum plasma. By matching stimulated Raman backscatter between a shot reducing outer versus a shot reducing inner power we infer that about half of the incident outer-cone power is transferred to inner cones, for the specific time and wavelength configuration studied. Furthermore, this is the first instantaneous nondisruptive measure of power transfer in an indirect drive NIF experiment using optical measurements.

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

Sponsoring Organization:: USDOE

Grant/Contract Number:: AC52-07NA27344

OSTI ID:: 1377780

Alternate ID(s):: OSTI ID: 1103759

Report Number(s):: LLNL-JRNL-629872; PRLTAO

Journal Information:: Physical Review Letters, Vol. 111, Issue 2; ISSN 0031-9007

Publisher:: American Physical Society (APS)Copyright Statement

Country of Publication:: United States

Language:: English

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Cited by: 15 works

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References (22)

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Cited By (6)

Review of the National Ignition Campaign 2009-2012 Lindl, John; Landen, Otto; Edwards, John Physics of Plasmas, Vol. 21, Issue 2 https://doi.org/10.1063/1.4865400	journal	February 2014
Multiple-beam laser–plasma interactions in inertial confinement fusion Myatt, J. F.; Zhang, J.; Short, R. W. Physics of Plasmas, Vol. 21, Issue 5 https://doi.org/10.1063/1.4878623	journal	May 2014
Early time implosion symmetry from two-axis shock-timing measurements on indirect drive NIF experiments Moody, J. D.; Robey, H. F.; Celliers, P. M. Physics of Plasmas, Vol. 21, Issue 9 https://doi.org/10.1063/1.4893136	journal	September 2014
Integrated modeling of cryogenic layered highfoot experiments at the NIF Kritcher, A. L.; Hinkel, D. E.; Callahan, D. A. Physics of Plasmas, Vol. 23, Issue 5 https://doi.org/10.1063/1.4949351	journal	May 2016
Comparison of plastic, high density carbon, and beryllium as indirect drive NIF ablators Kritcher, A. L.; Clark, D.; Haan, S. Physics of Plasmas, Vol. 25, Issue 5 https://doi.org/10.1063/1.5018000	journal	May 2018
Smoothing scheme for intensity sweep and polarization rotation at a subpicosecond timescale Yi, Muyu; Zhong, Zheqiang; Zhang, Bin Journal of the Optical Society of America B, Vol. 37, Issue 1 https://doi.org/10.1364/josab.37.000188	journal	December 2019

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