A compact neutron spectrometer for characterizing inertial confinement fusion implosions at OMEGA and the NIF

Zylstra, A. B.; Gatu Johnson, M.; Frenje, J. A.; Séguin, F. H.; Rinderknecht, H. G.; Rosenberg, M. J.; Sio, H. W.; Li, C. K.; Petrasso, R. D.; McCluskey, M.; Mastrosimone, D.; Glebov, V. Yu.; Forrest, C.; Stoeckl, C.; Sangster, T. C.

doi:10.1063/1.4880203

Title: A compact neutron spectrometer for characterizing inertial confinement fusion implosions at OMEGA and the NIF

Abstract

A compact spectrometer for measurements of the primary deuterium-tritium neutron spectrum has been designed and implemented on the OMEGA laser facility. This instrument uses the recoil spectrometry technique, where neutrons produced in an implosion elastically scatter protons in a plastic foil, which are subsequently detected by a proton spectrometer. This diagnostic is capable of measuring the yield to ~±10% accuracy, and mean neutron energy to ~±50 keV precision. As these compact spectrometers can be readily placed at several locations around an implosion, effects of residual fuel bulk flows during burn can be measured. Future improvements to reduce the neutron energy uncertainty to ±15-20 keV are discussed, which will enable measurements of fuel velocities to an accuracy of ~±25-40 km/s.

Authors:

Zylstra, A. B. ^[1]; Gatu Johnson, M. ^[1]; Frenje, J. A. ^[1]; Séguin, F. H. ^[1]; Rinderknecht, H. G. ^[1]; Rosenberg, M. J. ^[1]; Sio, H. W. ^[1]; Li, C. K. ^[1]; Petrasso, R. D. ^[1]; McCluskey, M. ^[2]; Mastrosimone, D. ^[2]; Glebov, V. Yu. ^[2]; Forrest, C. ^[2]; Stoeckl, C. ^[2]; Sangster, T. C. ^[2]

Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States)
Univ. of Rochester, Rochester, NY (United States)

Publication Date:: Wed Jun 04 00:00:00 EDT 2014

Research Org.:: Massachusetts Institute of Technology (MIT), Cambridge, MA (United States). High Energy Density Physics Division, Plasma Science and Fusion Center.

Sponsoring Org.:: USDOE National Nuclear Security Administration (NNSA)

OSTI Identifier:: 1172498

Grant/Contract Number:: NA0002035; NA0001857

Resource Type:: Accepted Manuscript

Journal Name:: Review of Scientific Instruments

Additional Journal Information:: Journal Volume: 85; 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; neutrons; protons; velocity measurement; neutron spectroscopy; charged particle spectrometers

Citation Formats


                    Zylstra, A. B., Gatu Johnson, M., Frenje, J. A., Séguin, F. H., Rinderknecht, H. G., Rosenberg, M. J., Sio, H. W., Li, C. K., Petrasso, R. D., McCluskey, M., Mastrosimone, D., Glebov, V. Yu., Forrest, C., Stoeckl, C., and Sangster, T. C. A compact neutron spectrometer for characterizing inertial confinement fusion implosions at OMEGA and the NIF.  United States: N. p., 2014. 
Web.  doi:10.1063/1.4880203.

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                    Zylstra, A. B., Gatu Johnson, M., Frenje, J. A., Séguin, F. H., Rinderknecht, H. G., Rosenberg, M. J., Sio, H. W., Li, C. K., Petrasso, R. D., McCluskey, M., Mastrosimone, D., Glebov, V. Yu., Forrest, C., Stoeckl, C., & Sangster, T. C. A compact neutron spectrometer for characterizing inertial confinement fusion implosions at OMEGA and the NIF.  United States.  https://doi.org/10.1063/1.4880203

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                    Zylstra, A. B., Gatu Johnson, M., Frenje, J. A., Séguin, F. H., Rinderknecht, H. G., Rosenberg, M. J., Sio, H. W., Li, C. K., Petrasso, R. D., McCluskey, M., Mastrosimone, D., Glebov, V. Yu., Forrest, C., Stoeckl, C., and Sangster, T. C. Wed .  
"A compact neutron spectrometer for characterizing inertial confinement fusion implosions at OMEGA and the NIF".  United States.  https://doi.org/10.1063/1.4880203.  https://www.osti.gov/servlets/purl/1172498.

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@article{osti_1172498,

  title        = {A compact neutron spectrometer for characterizing inertial confinement fusion implosions at OMEGA and the NIF},

  author       = {Zylstra, A. B. and Gatu Johnson, M. and Frenje, J. A. and Séguin, F. H. and Rinderknecht, H. G. and Rosenberg, M. J. and Sio, H. W. and Li, C. K. and Petrasso, R. D. and McCluskey, M. and Mastrosimone, D. and Glebov, V. Yu. and Forrest, C. and Stoeckl, C. and Sangster, T. C.},

  abstractNote = {A compact spectrometer for measurements of the primary deuterium-tritium neutron spectrum has been designed and implemented on the OMEGA laser facility. This instrument uses the recoil spectrometry technique, where neutrons produced in an implosion elastically scatter protons in a plastic foil, which are subsequently detected by a proton spectrometer. This diagnostic is capable of measuring the yield to ~±10% accuracy, and mean neutron energy to ~±50 keV precision. As these compact spectrometers can be readily placed at several locations around an implosion, effects of residual fuel bulk flows during burn can be measured. Future improvements to reduce the neutron energy uncertainty to ±15-20 keV are discussed, which will enable measurements of fuel velocities to an accuracy of ~±25-40 km/s.},

  doi          = {10.1063/1.4880203},

  journal      = {Review of Scientific Instruments},

  number       = 6,

  volume       = 85,

  place        = {United States},

  year         = {Wed Jun 04 00:00:00 EDT 2014},

  month        = {Wed Jun 04 00:00:00 EDT 2014}

}

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Works referencing / citing this record:

Calibration of a neutron time-of-flight detector with a rapid instrument response function for measurements of bulk fluid motion on OMEGA
journal, October 2018

Mannion, O. M.; Glebov, V. Yu.; Forrest, C. J.
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Title: A compact neutron spectrometer for characterizing inertial confinement fusion implosions at OMEGA and the NIF

Abstract

Citation Formats

A proton-recoil telescope for in-line absolute neutron fluence measurements journal, December 1978

PROTEX: A proton-recoil detector for inertial confinement fusion neutrons journal, February 2005

Measuring the absolute deuterium–tritium neutron yield using the magnetic recoil spectrometer at OMEGA and the NIF journal, October 2012

Neutron activation diagnostics at the National Ignition Facility (invited) journal, October 2012

First measurements of the absolute neutron spectrum using the magnetic recoil spectrometer at OMEGA (invited) journal, October 2008

Development of nuclear diagnostics for the National Ignition Facility (invited) journal, October 2006

Neutron spectrometry—An essential tool for diagnosing implosions at the National Ignition Facility (invited) journal, October 2012

Enhanced NIF neutron activation diagnostics journal, October 2012

Relativistic calculation of fusion product spectra for thermonuclear plasmas journal, November 1998

Absolute measurements of neutron yields from DD and DT implosions at the OMEGA laser facility using CR-39 track detectors journal, July 2002

Upgrade of the MIT Linear Electrostatic Ion Accelerator (LEIA) for nuclear diagnostics development for Omega, Z and the NIF journal, April 2012

Initial performance results of the OMEGA laser system journal, January 1997

The coincidence counting technique for orders of magnitude background reduction in data obtained with the magnetic recoil spectrometer at OMEGA and the NIF journal, July 2011

Spectrometry of charged particles from inertial-confinement-fusion plasmas journal, February 2003

Advances in compact proton spectrometers for inertial-confinement fusion and plasma nuclear science journal, October 2012

The National Ignition Facility: enabling fusion ignition for the 21st century journal, November 2004

Improved laser‐beam uniformity using the angular dispersion of frequency‐modulated light journal, October 1989

Laser Compression of Matter to Super-High Densities: Thermonuclear (CTR) Applications journal, September 1972

Neutron spectrometer for ITER using silicon detectors journal, October 2008

Design of continuous surface-relief phase plates by surface-based simulated annealing to achieve control of focal-plane irradiance journal, January 1996

Design and modeling of ignition targets for the National Ignition Facility journal, June 1995

Probing high areal-density cryogenic deuterium-tritium implosions using downscattered neutron spectra measured by the magnetic recoil spectrometer journal, May 2010

Progress in obtaining an absolute calibration of a total deuterium–tritium neutron yield diagnostic based on copper activation journal, October 2012

Development of the indirect‐drive approach to inertial confinement fusion and the target physics basis for ignition and gain journal, November 1995

Measurements of collective fuel velocities in deuterium-tritium exploding pusher and cryogenically layered deuterium-tritium implosions on the NIF journal, April 2013

Diagnosing implosion performance at the National Ignition Facility (NIF) by means of neutron spectrometry journal, March 2013

The response of CR-39 nuclear track detector to 1–9 MeV protons journal, October 2011

A new model to account for track overlap in CR-39 data journal, July 2012

A neutron spectrometer for precise measurements of DT neutrons from 10 to 18 MeV at OMEGA and the National Ignition Facility journal, January 2001

The Stopping and Range of Ions in Matter book, January 1985

High resolution alpha particle spectroscopy using CR-39 plastic track detector journal, June 1982

Core performance and mix in direct-drive spherical implosions with high uniformity journal, May 2001

A 14 MeV neutron spectrometer for the Joint European Torus deuterium-tritium experiments journal, January 1999

High resolution alpha-particle spectroscopy using CR-39 plastic track detector journal, June 1984

The magnetic recoil spectrometer for measurements of the absolute neutron spectrum at OMEGA and the NIF journal, April 2013

High-resolution spectroscopy used to measure inertial confinement fusion neutron spectra on Omega (invited) journal, October 2012

Fusion neutron energies and spectra journal, July 1973

Calibration of a neutron time-of-flight detector with a rapid instrument response function for measurements of bulk fluid motion on OMEGA journal, October 2018

A proton-recoil telescope for in-line absolute neutron fluence measurements
journal, December 1978

PROTEX: A proton-recoil detector for inertial confinement fusion neutrons
journal, February 2005

Measuring the absolute deuterium–tritium neutron yield using the magnetic recoil spectrometer at OMEGA and the NIF
journal, October 2012

Neutron activation diagnostics at the National Ignition Facility (invited)
journal, October 2012

First measurements of the absolute neutron spectrum using the magnetic recoil spectrometer at OMEGA (invited)
journal, October 2008

Development of nuclear diagnostics for the National Ignition Facility (invited)
journal, October 2006

Neutron spectrometry—An essential tool for diagnosing implosions at the National Ignition Facility (invited)
journal, October 2012

Enhanced NIF neutron activation diagnostics
journal, October 2012

Relativistic calculation of fusion product spectra for thermonuclear plasmas
journal, November 1998

Absolute measurements of neutron yields from DD and DT implosions at the OMEGA laser facility using CR-39 track detectors
journal, July 2002

Upgrade of the MIT Linear Electrostatic Ion Accelerator (LEIA) for nuclear diagnostics development for Omega, Z and the NIF
journal, April 2012

Initial performance results of the OMEGA laser system
journal, January 1997

The coincidence counting technique for orders of magnitude background reduction in data obtained with the magnetic recoil spectrometer at OMEGA and the NIF
journal, July 2011

Spectrometry of charged particles from inertial-confinement-fusion plasmas
journal, February 2003

Advances in compact proton spectrometers for inertial-confinement fusion and plasma nuclear science
journal, October 2012

The National Ignition Facility: enabling fusion ignition for the 21st century
journal, November 2004

Improved laser‐beam uniformity using the angular dispersion of frequency‐modulated light
journal, October 1989

Laser Compression of Matter to Super-High Densities: Thermonuclear (CTR) Applications
journal, September 1972

Neutron spectrometer for ITER using silicon detectors
journal, October 2008

Design of continuous surface-relief phase plates by surface-based simulated annealing to achieve control of focal-plane irradiance
journal, January 1996

Design and modeling of ignition targets for the National Ignition Facility
journal, June 1995

Probing high areal-density cryogenic deuterium-tritium implosions using downscattered neutron spectra measured by the magnetic recoil spectrometer
journal, May 2010

Progress in obtaining an absolute calibration of a total deuterium–tritium neutron yield diagnostic based on copper activation
journal, October 2012

Development of the indirect‐drive approach to inertial confinement fusion and the target physics basis for ignition and gain
journal, November 1995

Measurements of collective fuel velocities in deuterium-tritium exploding pusher and cryogenically layered deuterium-tritium implosions on the NIF
journal, April 2013

Diagnosing implosion performance at the National Ignition Facility (NIF) by means of neutron spectrometry
journal, March 2013

The response of CR-39 nuclear track detector to 1–9 MeV protons
journal, October 2011

A new model to account for track overlap in CR-39 data
journal, July 2012

A neutron spectrometer for precise measurements of DT neutrons from 10 to 18 MeV at OMEGA and the National Ignition Facility
journal, January 2001

The Stopping and Range of Ions in Matter
book, January 1985

High resolution alpha particle spectroscopy using CR-39 plastic track detector
journal, June 1982

Core performance and mix in direct-drive spherical implosions with high uniformity
journal, May 2001

A 14 MeV neutron spectrometer for the Joint European Torus deuterium-tritium experiments
journal, January 1999

High resolution alpha-particle spectroscopy using CR-39 plastic track detector
journal, June 1984

The magnetic recoil spectrometer for measurements of the absolute neutron spectrum at OMEGA and the NIF
journal, April 2013

High-resolution spectroscopy used to measure inertial confinement fusion neutron spectra on Omega (invited)
journal, October 2012

Fusion neutron energies and spectra
journal, July 1973

Calibration of a neutron time-of-flight detector with a rapid instrument response function for measurements of bulk fluid motion on OMEGA
journal, October 2018