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Title: The design of the optical Thomson scattering diagnostic for the National Ignition Facility [The preliminary design of the optical Thomson scattering diagnostic for the National Ignition Facility]

Abstract

Here, the National Ignition Facility (NIF) is a 192 laser beam facility designed to support the Stockpile Stewardship, High Energy Density and Inertial Confinement Fusion (ICF) programs. We report on the design of an Optical Thomson Scattering (OTS) diagnostic that has the potential to transform the community’s understanding of NIF hohlraum physics by providing first principle, local, time-resolved measurements of under-dense plasma conditions. The system design allows operation with different probe laser wavelengths by manual selection of the appropriate beam splitter and gratings before the shot. A deep-UV probe beam (λ0-210 nm) will be used to optimize the scattered signal for plasma densities of 5 × 1020 electrons/cm3 while a 3ω probe will be used for experiments investigating lower density plasmas of 1 × 1019 electrons/cm3. We report the phase I design of a two phase design strategy. Phase I includes the OTS telescope, spectrometer, and streak camera; these will be used to assess the background levels at NIF. Phase II will include the design and installation of a probe laser.

Authors:
 [1];  [1]; ORCiD logo [2]; ORCiD logo [1];  [1];  [3];  [1];  [2];  [1]; ORCiD logo [1];  [1];  [1];  [1];  [4];  [1]; ORCiD logo [1]; ORCiD logo [5]
+ Show Author Affiliations
  1. Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
  2. Univ. of Rochester, Rochester, NY (United States)
  3. SLAC National Accelerator Lab., Menlo Park, CA (United States)
  4. Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
  5. Naval Research Lab., Washington, D.C. (United States)
Publication Date:
Research Org.:
SLAC National Accelerator Lab., Menlo Park, CA (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1360161
Grant/Contract Number:  
AC02-76SF00515
Resource Type:
Accepted Manuscript
Journal Name:
Review of Scientific Instruments
Additional Journal Information:
Journal Volume: 87; Journal Issue: 11; Journal ID: ISSN 0034-6748
Publisher:
American Institute of Physics (AIP)
Country of Publication:
United States
Language:
English
Subject:
46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY; 70 PLASMA PHYSICS AND FUSION TECHNOLOGY

Citation Formats

Datte, P. S., Ross, J. S., Froula, D. H., Daub, K. D., Galbraith, J., Glenzer, S., Hatch, B., Katz, J., Kilkenny, J., Landen, O., Manha, D., Manuel, A. M., Molander, W., Montgomery, D., Moody, J., Swadling, G. F., and Weaver, J. The design of the optical Thomson scattering diagnostic for the National Ignition Facility [The preliminary design of the optical Thomson scattering diagnostic for the National Ignition Facility]. United States: N. p., 2016. Web. doi:10.1063/1.4962043.
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Datte, P. S., Ross, J. S., Froula, D. H., Daub, K. D., Galbraith, J., Glenzer, S., Hatch, B., Katz, J., Kilkenny, J., Landen, O., Manha, D., Manuel, A. M., Molander, W., Montgomery, D., Moody, J., Swadling, G. F., & Weaver, J. The design of the optical Thomson scattering diagnostic for the National Ignition Facility [The preliminary design of the optical Thomson scattering diagnostic for the National Ignition Facility]. United States. https://doi.org/10.1063/1.4962043
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Datte, P. S., Ross, J. S., Froula, D. H., Daub, K. D., Galbraith, J., Glenzer, S., Hatch, B., Katz, J., Kilkenny, J., Landen, O., Manha, D., Manuel, A. M., Molander, W., Montgomery, D., Moody, J., Swadling, G. F., and Weaver, J. Wed . "The design of the optical Thomson scattering diagnostic for the National Ignition Facility [The preliminary design of the optical Thomson scattering diagnostic for the National Ignition Facility]". United States. https://doi.org/10.1063/1.4962043. https://www.osti.gov/servlets/purl/1360161.
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@article{osti_1360161,
title = {The design of the optical Thomson scattering diagnostic for the National Ignition Facility [The preliminary design of the optical Thomson scattering diagnostic for the National Ignition Facility]},
author = {Datte, P. S. and Ross, J. S. and Froula, D. H. and Daub, K. D. and Galbraith, J. and Glenzer, S. and Hatch, B. and Katz, J. and Kilkenny, J. and Landen, O. and Manha, D. and Manuel, A. M. and Molander, W. and Montgomery, D. and Moody, J. and Swadling, G. F. and Weaver, J.},
abstractNote = {Here, the National Ignition Facility (NIF) is a 192 laser beam facility designed to support the Stockpile Stewardship, High Energy Density and Inertial Confinement Fusion (ICF) programs. We report on the design of an Optical Thomson Scattering (OTS) diagnostic that has the potential to transform the community’s understanding of NIF hohlraum physics by providing first principle, local, time-resolved measurements of under-dense plasma conditions. The system design allows operation with different probe laser wavelengths by manual selection of the appropriate beam splitter and gratings before the shot. A deep-UV probe beam (λ0-210 nm) will be used to optimize the scattered signal for plasma densities of 5 × 1020 electrons/cm3 while a 3ω probe will be used for experiments investigating lower density plasmas of 1 × 1019 electrons/cm3. We report the phase I design of a two phase design strategy. Phase I includes the OTS telescope, spectrometer, and streak camera; these will be used to assess the background levels at NIF. Phase II will include the design and installation of a probe laser.},
doi = {10.1063/1.4962043},
journal = {Review of Scientific Instruments},
number = 11,
volume = 87,
place = {United States},
year = {Wed Sep 21 00:00:00 EDT 2016},
month = {Wed Sep 21 00:00:00 EDT 2016}
}
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https://doi.org/10.1063/1.4962043
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Works referenced in this record:

The preliminary design of the optical Thomson scattering diagnostic for the National Ignition Facility
journal, May 2016

The National Ignition Facility
journal, December 2004

A reflective optical transport system for ultraviolet Thomson scattering from electron plasma waves on OMEGA
journal, October 2012

  • Katz, J.; Boni, R.; Sorce, C.
  • Review of Scientific Instruments, Vol. 83, Issue 10
  • DOI: 10.1063/1.4733551

Gated photocathode design for the P510 electron tube used in the National Ignition Facility (NIF) optical streak cameras
conference, August 2015

  • Datte, P.; James, G.; Celliers, P.
  • SPIE Optical Engineering + Applications, SPIE Proceedings
  • DOI: 10.1117/12.2190224

Thomson-scattering techniques to diagnose local electron and ion temperatures, density, and plasma wave amplitudes in laser produced plasmas (invited)
journal, October 2006

  • Froula, D. H.; Ross, J. S.; Divol, L.
  • Review of Scientific Instruments, Vol. 77, Issue 10
  • DOI: 10.1063/1.2336451

Temporal dispersion of a spectrometer
journal, October 2008

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  • Review of Scientific Instruments, Vol. 79, Issue 10
  • DOI: 10.1063/1.2972022

Ultraviolet Thomson scattering measurements of the electron and ion features with an energetic 263 nm probe
journal, August 2011

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    Improvement in Thomson scattering diagnostic precision via fitting the multiple-wavenumber spectra simultaneously
    journal, August 2019

    • Liu, Yaoyuan; Ding, Yongkun; Zheng, Jian
    • Review of Scientific Instruments, Vol. 90, Issue 8
    • DOI: 10.1063/1.5110932
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