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Title: Simultaneous measurement of the HT and DT fusion burn histories in inertial fusion implosions

Measuring the thermonuclear burn history is an important way to diagnose inertial fusion implosions. Here, using the gas Cherenkov detectors at the OMEGA laser facility, we measure the HT fusion burn in a H 2+T 2 gas-fueled implosion for the first time. Then, using multiple detectors with varied Cherenkov thresholds, we demonstrate a technique for simultaneously measuring both the HT and DT burn histories from an implosion where the total reaction yields are comparable. This new technique will be used to study material mixing and kinetic phenomena in implosions.
Authors:
ORCiD logo [1] ; ORCiD logo [1] ; ORCiD logo [1] ;  [1] ; ORCiD logo [1] ;  [1] ;  [2] ;  [2] ;  [2]
  1. Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
  2. Univ. of Rochester, NY (United States). Lab. for Laser Energetics
Publication Date:
Report Number(s):
LA-UR-17-20368
Journal ID: ISSN 0034-6748
Grant/Contract Number:
AC52-06NA25396; AC62-06NA25396
Type:
Accepted Manuscript
Journal Name:
Review of Scientific Instruments
Additional Journal Information:
Journal Volume: 88; Journal Issue: 5; Journal ID: ISSN 0034-6748
Publisher:
American Institute of Physics (AIP)
Research Org:
Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Sponsoring Org:
USDOE Laboratory Directed Research and Development (LDRD) Program
Country of Publication:
United States
Language:
English
Subject:
70 PLASMA PHYSICS AND FUSION TECHNOLOGY; Fusion reactions; Cherenkov detectors; Photomultipliers; Carbon dioxide; Helium-3
OSTI Identifier:
1364551
Alternate Identifier(s):
OSTI ID: 1361903

Zylstra, Alex B., Herrmann, Hans W., Kim, Yong Ho, McEvoy, A.M., Schmitt, Mark J., Hale, Gerald M., Forrest, C., Glebov, V. Yu., and Stoeckl, C.. Simultaneous measurement of the HT and DT fusion burn histories in inertial fusion implosions. United States: N. p., Web. doi:10.1063/1.4983923.
Zylstra, Alex B., Herrmann, Hans W., Kim, Yong Ho, McEvoy, A.M., Schmitt, Mark J., Hale, Gerald M., Forrest, C., Glebov, V. Yu., & Stoeckl, C.. Simultaneous measurement of the HT and DT fusion burn histories in inertial fusion implosions. United States. doi:10.1063/1.4983923.
Zylstra, Alex B., Herrmann, Hans W., Kim, Yong Ho, McEvoy, A.M., Schmitt, Mark J., Hale, Gerald M., Forrest, C., Glebov, V. Yu., and Stoeckl, C.. 2017. "Simultaneous measurement of the HT and DT fusion burn histories in inertial fusion implosions". United States. doi:10.1063/1.4983923. https://www.osti.gov/servlets/purl/1364551.
@article{osti_1364551,
title = {Simultaneous measurement of the HT and DT fusion burn histories in inertial fusion implosions},
author = {Zylstra, Alex B. and Herrmann, Hans W. and Kim, Yong Ho and McEvoy, A.M. and Schmitt, Mark J. and Hale, Gerald M. and Forrest, C. and Glebov, V. Yu. and Stoeckl, C.},
abstractNote = {Measuring the thermonuclear burn history is an important way to diagnose inertial fusion implosions. Here, using the gas Cherenkov detectors at the OMEGA laser facility, we measure the HT fusion burn in a H2+T2 gas-fueled implosion for the first time. Then, using multiple detectors with varied Cherenkov thresholds, we demonstrate a technique for simultaneously measuring both the HT and DT burn histories from an implosion where the total reaction yields are comparable. This new technique will be used to study material mixing and kinetic phenomena in implosions.},
doi = {10.1063/1.4983923},
journal = {Review of Scientific Instruments},
number = 5,
volume = 88,
place = {United States},
year = {2017},
month = {5}
}

Works referenced in this record:

Laser Compression of Matter to Super-High Densities: Thermonuclear (CTR) Applications
journal, September 1972
  • Nuckolls, John; Wood, Lowell; Thiessen, Albert
  • Nature, Vol. 239, Issue 5368, p. 139-142
  • DOI: 10.1038/239139a0