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Title: A new tri-particle backlighter for high-energy-density plasmas (invited)

Abstract

A new tri-particle mono-energetic backlighter based on laser-driven implosions of DT3He gas-filled capsules has been implemented at the OMEGA laser. This platform, an extension of the original D3He backlighter platform, generates 9.5 MeV deuterons from the T3He reaction in addition to 14.7 and 3.0 MeV protons from the deuterium and helium-3 reactants. The monoenergetic 14.7 and 3.0 MeV protons have been used with success at OMEGA and the NIF for both radiography and stopping-power studies. There are several advantages of having a third particle to diagnose plasma conditions: an extra time-of-flight-separated radiograph and an improved ability to discern between electric and magnetic fields. In cases where the 3.0 MeV protons cannot penetrate an experiment, the benefit of the additional 9.5 MeV deuterons is magnified. This capability is well-suited for NIF experiments, where large fields and plasma densities often preclude useful 3.0 MeV proton data. The advantages are demonstrated with radiographs of OMEGA plasmas with magnetic and electric fields. Tests using backlighter-scale 420 μm diameter thin glass capsules validate the platform’s extended backlighting capability. The performance characteristics of this backlighter, such as source size and timing, are discussed.

Authors:
ORCiD logo [1]; ORCiD logo [1]; ORCiD logo [1]; ORCiD logo [1]; ORCiD logo [1]; ORCiD logo [1]; ORCiD logo [1]; ORCiD logo [1]; ORCiD logo [1]; ORCiD logo [1]; ORCiD logo [1];  [1];  [2]; ORCiD logo [2]; ORCiD logo [3];  [3];  [3]; ORCiD logo [1];  [1]
  1. Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States)
  2. Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
  3. Univ. of Rochester, NY (United States). Lab. for Laser Energetics
Publication Date:
Research Org.:
Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
Sponsoring Org.:
USDOE National Nuclear Security Administration (NNSA)
OSTI Identifier:
1835033
Alternate Identifier(s):
OSTI ID: 1798933
Report Number(s):
LLNL-JRNL-828655
Journal ID: ISSN 0034-6748; 1043913; TRN: US2300198
Grant/Contract Number:  
AC52-07NA27344; NA0003868
Resource Type:
Accepted Manuscript
Journal Name:
Review of Scientific Instruments
Additional Journal Information:
Journal Volume: 92; Journal Issue: 6; Journal ID: ISSN 0034-6748
Publisher:
American Institute of Physics (AIP)
Country of Publication:
United States
Language:
English
Subject:
70 PLASMA PHYSICS AND FUSION TECHNOLOGY

Citation Formats

Sutcliffe, Graeme, Adrian, Patrick, Pearcy, Jacob, Johnson, Timothy, Kabadi, Neel, Haque, Shaherul, Parker, Cody, Lahmann, Brandon, Frenje, Johan, Gatu-Johnson, Maria, Sio, Hong, Séguin, Fredrick, Pollock, Brad, Moody, John, Glebov, Vladmir, Janezic, Roger, Koch, Michael, Petrasso, Richard, and Li, Chikang. A new tri-particle backlighter for high-energy-density plasmas (invited). United States: N. p., 2021. Web. doi:10.1063/5.0043845.
Sutcliffe, Graeme, Adrian, Patrick, Pearcy, Jacob, Johnson, Timothy, Kabadi, Neel, Haque, Shaherul, Parker, Cody, Lahmann, Brandon, Frenje, Johan, Gatu-Johnson, Maria, Sio, Hong, Séguin, Fredrick, Pollock, Brad, Moody, John, Glebov, Vladmir, Janezic, Roger, Koch, Michael, Petrasso, Richard, & Li, Chikang. A new tri-particle backlighter for high-energy-density plasmas (invited). United States. https://doi.org/10.1063/5.0043845
Sutcliffe, Graeme, Adrian, Patrick, Pearcy, Jacob, Johnson, Timothy, Kabadi, Neel, Haque, Shaherul, Parker, Cody, Lahmann, Brandon, Frenje, Johan, Gatu-Johnson, Maria, Sio, Hong, Séguin, Fredrick, Pollock, Brad, Moody, John, Glebov, Vladmir, Janezic, Roger, Koch, Michael, Petrasso, Richard, and Li, Chikang. Tue . "A new tri-particle backlighter for high-energy-density plasmas (invited)". United States. https://doi.org/10.1063/5.0043845. https://www.osti.gov/servlets/purl/1835033.
@article{osti_1835033,
title = {A new tri-particle backlighter for high-energy-density plasmas (invited)},
author = {Sutcliffe, Graeme and Adrian, Patrick and Pearcy, Jacob and Johnson, Timothy and Kabadi, Neel and Haque, Shaherul and Parker, Cody and Lahmann, Brandon and Frenje, Johan and Gatu-Johnson, Maria and Sio, Hong and Séguin, Fredrick and Pollock, Brad and Moody, John and Glebov, Vladmir and Janezic, Roger and Koch, Michael and Petrasso, Richard and Li, Chikang},
abstractNote = {A new tri-particle mono-energetic backlighter based on laser-driven implosions of DT3He gas-filled capsules has been implemented at the OMEGA laser. This platform, an extension of the original D3He backlighter platform, generates 9.5 MeV deuterons from the T3He reaction in addition to 14.7 and 3.0 MeV protons from the deuterium and helium-3 reactants. The monoenergetic 14.7 and 3.0 MeV protons have been used with success at OMEGA and the NIF for both radiography and stopping-power studies. There are several advantages of having a third particle to diagnose plasma conditions: an extra time-of-flight-separated radiograph and an improved ability to discern between electric and magnetic fields. In cases where the 3.0 MeV protons cannot penetrate an experiment, the benefit of the additional 9.5 MeV deuterons is magnified. This capability is well-suited for NIF experiments, where large fields and plasma densities often preclude useful 3.0 MeV proton data. The advantages are demonstrated with radiographs of OMEGA plasmas with magnetic and electric fields. Tests using backlighter-scale 420 μm diameter thin glass capsules validate the platform’s extended backlighting capability. The performance characteristics of this backlighter, such as source size and timing, are discussed.},
doi = {10.1063/5.0043845},
journal = {Review of Scientific Instruments},
number = 6,
volume = 92,
place = {United States},
year = {Tue Jun 01 00:00:00 EDT 2021},
month = {Tue Jun 01 00:00:00 EDT 2021}
}

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