A magnetic particle time-of-flight (MagPTOF) diagnostic for measurements of shock- and compression-bang time at the NIF (invited)

Rinderknecht, H. G.; Sio, H.; Frenje, J. A.; Magoon, J.; Agliata, A.; Shoup, M.; Ayers, S.; Bailey, C. G.; Gatu Johnson, M.; Zylstra, A. B.; Sinenian, N.; Rosenberg, M. J.; Li, C. K.; Sèguin, F. H.; Petrasso, R. D.; Rygg, J. R.; Kimbrough, J. R.; Mackinnon, A.; Bell, P.; Bionta, R.; Clancy, T.; Zacharias, R.; House, A.; Döppner, T.; Park, H. S.; LePape, S.; Landen, O.; Meezan, N.; Robey, H.; Glebov, V. U.; Hohenberger, M.; Stoeckl, C.; Sangster, T. C.; Li, C.; Parat, J.; Olson, R.; Kline, J.; Kilkenny, J.

doi:10.1063/1.4886775

A magnetic particle time-of-flight (MagPTOF) diagnostic for measurements of shock- and compression-bang time at the NIF (invited)

Journal Article · Mon Jul 14 00:00:00 EDT 2014 · Review of Scientific Instruments

DOI:https://doi.org/10.1063/1.4886775· OSTI ID:1136977

Rinderknecht, H. G. ^[1]; Sio, H. ^[2]; Frenje, J. A. ^[2]; Magoon, J. ^[3]; Agliata, A. ^[3]; Shoup, M. ^[3]; Ayers, S. ^[4]; Bailey, C. G. ^[4]; Gatu Johnson, M. ^[2]; Zylstra, A. B. ^[2]; Sinenian, N. ^[2]; Rosenberg, M. J. ^[2]; Li, C. K. ^[2]; Sèguin, F. H. ^[2]; Petrasso, R. D. ^[2]; Rygg, J. R. ^[4]; Kimbrough, J. R. ^[4]; Mackinnon, A. ^[5]; Bell, P. ^[4]; Bionta, R. ^[4] more »

Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States). Plasma Science and Fusion Center; High Energy Density Physics Division, Plasma Science and Fusion Center, Massachusetts Institute of Technology
Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States). Plasma Science and Fusion Center
Univ. of Rochester, NY (United States). Lab. for Laser Energetics
Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)
Lawrence Livermore National Laboratory 3 , Livermore, California 94550, USA
Laboratory for Laser Energetics 2 , Rochester, New York 14623, USA
Dexter Magnetic Technologies, Elk Grove Village, IL (United States)
Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)
General Atomics, San Diego, CA (United States)

A magnetic particle time-of-flight (MagPTOF) diagnostic has been designed to measure shock- and compression-bang time using D³He-fusion protons and DD-fusion neutrons, respectively, at the National Ignition Facility (NIF). This capability, in combination with shock-burn weighted areal density measurements, will significantly constrain the modeling of the implosion dynamics. This design is an upgrade to the existing particle time-of-flight (pTOF) diagnostic, which records bang times using DD or DT neutrons with an accuracy better than ±70 ps [H. G. Rinderknecht et al., Rev. Sci. Instrum. 83, 10D902 (2012)]. The inclusion of a deflecting magnet will increase D³He-proton signal-to-background by a factor of 1000, allowing for the first time simultaneous measurements of shock- and compression-bang times in D3He-filled surrogate implosions at the NIF.

Research Organization:: Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States). Plasma Science and Fusion Center

Sponsoring Organization:: USDOE National Nuclear Security Administration (NNSA)

Grant/Contract Number:: NA0001857

OSTI ID:: 1136977

Alternate ID(s):: OSTI ID: 22308932

Journal Information:: Review of Scientific Instruments, Journal Name: Review of Scientific Instruments Journal Issue: 11 Vol. 85; ISSN 0034-6748

Publisher:: American Institute of Physics (AIP)Copyright Statement

Country of Publication:: United States

Language:: English

References (11)

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Charged-particle spectroscopy for diagnosing shock ρR and strength in NIF implosions Zylstra, A. B.; Frenje, J. A.; Séguin, F. H. Review of Scientific Instruments, Vol. 83, Issue 10 https://doi.org/10.1063/1.4729672	journal	October 2012
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