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M. Gatu Johnson
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Journal Articles

Ultra-fast single-crystal CVD diamonds in the particle time-of-flight (PTOF) detector for low yield burn-history measurements on the NIF (invited)

B. L. Reichelt, R. Kishimori, Y. Lawrence, C. W. Wink, M. Gatu Johnson, T. M. Johnson, P. J. Adrian, K. L. Baker, D. T. Casey, D. S. Clark, S. G. Dannhoff, M. J. Eckart, T. E. Evans, H. Geppert-Kleinrath, D. Gibson, K. D. Hahn, D. P. Higginson, N. Izumi, N. V. Kabadi, S. Kerr, J. H. Kunimune, O. L. Landen, E. Mariscal, R. A. Marsh, D. Martinez, K. D. Meaney, J. A. Pearcy, R. D. Petrasso, M. S. Rubery, D. R. Rusby, L. Russell, D. J. Schlossberg, V. A. Smalyuk, R. Tommasini, J. A. Frenje, C. K. Li
Journal: Review of Scientific Instruments
Rev. Sci. Instrum. 96, 013501 (2025)
https://doi.org/10.1063/5.0219374
Published: January 2025
View article titled, Ultra-fast single-crystal CVD diamonds in the particle time-of-flight (PTOF) detector for low yield burn-history measurements on the NIF (invited)
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Journal Articles

Errors in the field reconstruction using CR-39 proton radiographs with high fluence variation

B. C. Foo, B. I. Buschmann, M. Cufari, S. G. Dannhoff, A. DeVault, T. E. Evans, T. M. Johnson, J. H. Kunimune, Y. Lawrence, J. A. Pearcy, B. L. Reichelt, L. Russell, N. Vanderloo, J. Vargas, C. W. Wink, M. Gatu Johnson, F. H. Séguin, R. D. Petrasso, J. A. Frenje
Journal: Review of Scientific Instruments
Rev. Sci. Instrum. 95, 103527 (2024)
https://doi.org/10.1063/5.0219510
Published: October 2024
View article titled, Errors in the field reconstruction using CR-39 proton radiographs with high fluence variation
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Journal Articles

Development of a compact magnetic spectrometer for use at the OMEGA Laser Facility and the National Ignition Facility

J. A. Pearcy, L. Russell, N. V. Kabadi, T. M. Johnson, P. A. Adrian, M. Gatu-Johnson, E. Casco, K. Palmisano, G. Gates, T. Burgett, M. Scott, R. D. Petrasso, C. K. Li, J. Frenje
Journal: Review of Scientific Instruments
Rev. Sci. Instrum. 95, 103509 (2024)
https://doi.org/10.1063/5.0219482
Published: October 2024
View article titled, Development of a compact magnetic spectrometer for use at the OMEGA Laser Facility and the National Ignition Facility
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Journal Articles

Overview of the neutron diagnostic systems for the SPARC tokamak

P. Raj, J. L. Ball, J. Carmichael, J. A. Frenje, R. Gocht, G. Gorini, I. Holmes, M. Gatu Johnson, R. Kennedy, S. Mackie, M. Nocente, E. Panontin, M. Petruzzo, M. Rebai, M. Reinke, J. Rice, D. Rigamonti, M. Dalla Rosa, A. A. Saltos, M. Tardocchi, R. A. Tinguely, X. Wang
Journal: Review of Scientific Instruments
Rev. Sci. Instrum. 95, 103507 (2024)
https://doi.org/10.1063/5.0219538
Published: October 2024
View article titled, Overview of the neutron diagnostic systems for the SPARC tokamak
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Journal Articles

Quantifying the effects of neutron fluence on proton signal retention in CR-39

L. Russell, T. M. Johnson, Y. Lawrence, B. Reichelt, N. Vanderloo, M. Cufari, B. I. Buschmann, S. Dannhoff, A. DeVault, E. Doeg, T. Evans, B. C. Foo, R. Frankel, J. H. Kunimune, J. A. Pearcy, J. Vargas, M. Gatu Johnson, J. Frenje
Journal: Review of Scientific Instruments
Rev. Sci. Instrum. 95, 103505 (2024)
https://doi.org/10.1063/5.0219479
Published: October 2024
View article titled, Quantifying the effects of neutron fluence on proton signal retention in CR-39
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Journal Articles

Determination of the response for the National Ignition Facility particle time of flight (PTOF) detector using single particle counting

Y. Lawrence, B. L. Reichelt, C. W. Wink, G. Rigon, M. Gatu Johnson, C. K. Li, J. A. Frenje
Journal: Review of Scientific Instruments
Rev. Sci. Instrum. 95, 103508 (2024)
https://doi.org/10.1063/5.0219541
Published: October 2024
View article titled, Determination of the response for the National Ignition Facility particle time of flight (PTOF) detector using single particle counting
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Journal Articles

Learning from each other: Cross-cutting diagnostic development activities between magnetic and inertial confinement fusion (invited)

M. Gatu Johnson, D. Schlossberg, B. Appelbe, J. Ball, M. Bitter, D. T. Casey, A. Celora, L. Ceurvorst, H. Chen, S. Conroy, A. Crilly, G. Croci, A. Dal Molin, L. Delgado-Aparicio, P. Efthimion, B. Eriksson, J. Eriksson, C. Forrest, C. Fry, J. Frenje, L. Gao, H. Geppert-Kleinrath, V. Geppert-Kleinrath, E. Gilson, P. V. Heuer, K. Hill, H. Khater, F. Kraus, F. Laggner, Y. Lawrence, S. Mackie, K. Meaney, A. Milder, A. Moore, M. Nocente, N. Pablant, E. Panontin, M. Rebai, B. Reichelt, M. Reinke, D. Rigamonti, J. S. Ross, M. Rubery, L. Russell, M. Tardocchi, R. A. Tinguely, C. Wink
Journal: Review of Scientific Instruments
Rev. Sci. Instrum. 95, 093533 (2024)
https://doi.org/10.1063/5.0218498
Published: September 2024
View article titled, Learning from each other: Cross-cutting diagnostic development activities between magnetic and inertial confinement fusion (invited)
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Journal Articles

Characterization of the image plate multi-scan response to mono-energetic x-rays

M. Cufari, N. Vanderloo, B. I. Buschmann, A. DeVault, B. C. Foo, J. Vargas, S. G. Dannhoff, T. E. Evans, T. M. Johnson, J. Kunimune, Y. Lawrence, J. A. Pearcy, B. L. Reichelt, L. Russell, C. W. Wink, M. Gatu Johnson, R. D. Petrasso, J. A. Frenje
Journal: Review of Scientific Instruments
Rev. Sci. Instrum. 95, 093535 (2024)
https://doi.org/10.1063/5.0219509
Published: September 2024
View article titled, Characterization of the image plate multi-scan response to mono-energetic x-rays
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Journal Articles

Image plate multi-scan response to fusion protons in the range of 1–14 MeV

N. Vanderloo, M. Cufari, L. Russell, T. M. Johnson, J. Vargas, B. C. Foo, B. I. Buschmann, S. G. Dannhoff, A. DeVault, T. E. Evans, J. H. Kunimune, Y. Lawrence, J. A. Pearcy, B. L. Reichelt, C. W. Wink, M. Gatu Johnson, R. D. Petrasso, J. A. Frenje, C. K. Li
Journal: Review of Scientific Instruments
Rev. Sci. Instrum. 95, 093536 (2024)
https://doi.org/10.1063/5.0219547
Published: September 2024
View article titled, Image plate multi-scan response to fusion protons in the range of 1–14 MeV
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Journal Articles

Characterization of the response of radiochromic film to quasi-monoenergetic x rays through a cross-calibration with image plates

B. I. Buschmann, M. Cufari, N. Vanderloo, J. Vargas, B. C. Foo, A. DeVault, S. G. Dannhoff, T. E. Evans, T. M. Johnson, J. H. Kunimune, Y. Lawrence, J. A. Pearcy, B. L. Reichelt, C. W. Wink, L. Russell, M. Gatu Johnson, R. D. Petrasso, J. A. Frenje
Journal: Review of Scientific Instruments
Rev. Sci. Instrum. 95, 093531 (2024)
https://doi.org/10.1063/5.0219340
Published: September 2024
View article titled, Characterization of the response of radiochromic film to quasi-monoenergetic x rays through a cross-calibration with image plates
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Journal Articles

Intrinsic fluence non-uniformity in D3He backlit proton radiography

T. M. Johnson, J. Shan, R. Kishimori, M. J. Cufari, P. J. Adrian, B. Buschmann, C. W. Chang, S. G. Dannhoff, A. DeVault, T. E. Evans, B. Foo, J. H. Kunimune, Y. Lawrence, J. A. Pearcy, B. L. Reichelt, L. Russell, G. D. Sutcliffe, N. L. Vanderloo, J. Vargas, C. Wink, M. Gatu Johnson, F. H. Séguin, R. D. Petrasso, J. A. Frenje, C. K. Li
Journal: Review of Scientific Instruments
Rev. Sci. Instrum. 95, 093520 (2024)
https://doi.org/10.1063/5.0215506
Published: September 2024
View article titled, Intrinsic fluence non-uniformity in D<sup>3</sup>He backlit proton radiography
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Journal Articles

The next-generation magnetic recoil spectrometer (MRSnext) on OMEGA and NIF for diagnosing ion temperature, yield, areal density, and alpha heating

C. W. Wink, M. Gatu Johnson, S. Mackie, J. H. Kunimune, S. G. Dannhoff, Y. Lawrence, G. P. A. Berg, D. T. Casey, D. J. Schlossberg, V. Gopalaswamy, J. Katz, S. P. Regan, C. Stoeckl, T. Burgett, S. Ivancic, H. McClow, M. Scott, J. Frelier, J. A. Frenje
Journal: Review of Scientific Instruments
Rev. Sci. Instrum. 95, 083548 (2024)
https://doi.org/10.1063/5.0219562
Published: August 2024
View article titled, The next-generation magnetic recoil spectrometer (MRSnext) on OMEGA and NIF for diagnosing ion temperature, yield, areal density, and alpha heating
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Journal Articles

The crucial role of diagnostics in achieving ignition on the National Ignition Facility (NIF)

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J. D. Kilkenny, A. Pak, O. L. Landen, A. S. Moore, N. B. Meezan, S. W. Haan, W. W. Hsing, S. H. Batha, D. K. Bradley, M. Gatu-Johnson, A. J. Mackinnon, S. P. Regan, V. A. Smalyuk
Journal: Physics of Plasmas
Phys. Plasmas 31, 080501 (2024)
https://doi.org/10.1063/5.0211684
Published: August 2024
View article titled, The crucial role of diagnostics in achieving ignition on the National Ignition Facility (NIF)
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Journal Articles

Diagnosing hot-spot symmetry in surrogate ignition experiments via secondary DT-neutron spectroscopy at the NIF

P. J. Adrian, R. Bionta, D. Casey, M. Gatu Johnson, S. Kerr, B. Lahmann, C. K. Li, R. Nora, R. D. Petrasso, G. Rigon, D. Schlossberg, F. H. Séguin, J. A. Frenje
Journal: Physics of Plasmas
Phys. Plasmas 31, 082704 (2024)
https://doi.org/10.1063/5.0210125
Published: August 2024
View article titled, Diagnosing hot-spot symmetry in surrogate ignition experiments via secondary DT-neutron spectroscopy at the NIF
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Journal Articles

Measurements of improved stability to achieve higher fuel compression in ICF

A. Do, D. T. Casey, D. S. Clark, B. Bachmann, K. L. Baker, T. Braun, T. M. Briggs, T. D Chapman, P. M. Celliers, H. Chen, C. Choate, E. L. Dewald, L. Divol, G. Fathi, D. N. Fittinghoff, G. N. Hall, E. Hartouni, D. M. Holunga, S. F. Khan, A. L. Kritcher, O. L. Landen, A. G. MacPhee, M. Millot, E. V. Marley, J. L. Milovich, A. Nikroo, A. E. Pak, D. J. Schlossberg, V. A. Smalyuk, M. Stadermann, D. J. Strozzi, R. Tommasini, C. R. Weber, B. N. Woodworth, D. K. Yanagisawa, N. W. Birge, C. R. Danly, M. Durocher, M. S. Freeman, H. Geppert-Kleinrath, V. Geppert-Kleinrath, Y. Kim, K. D Meaney, C. H. Wilde, M. Gatu Johnson, A. Allen, M. Ratledge, C. Kong, T. Fehrenbach, C. Wild
Journal: Physics of Plasmas
Phys. Plasmas 30, 112703 (2023)
https://doi.org/10.1063/5.0167424
Published: November 2023
View article titled, Measurements of improved stability to achieve higher fuel compression in ICF
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Journal Articles

First large capsule implosions in a frustum-shaped hohlraum

K. L. Baker, P. A. Amendt, J. S. Ross, V. A. Smalyuk, O. L. Landen, D. D. Ho, S. Khan, S. W. Haan, J. D. Lindl, D. Mariscal, J. L. Milovich, S. MacLaren, Y. Ping, D. J. Strozzi, R. M. Bionta, D. T. Casey, P. M. Celliers, D. N. Fittinghoff, H. Geppert-Kleinrath, V. Geppert-Kleinrath, K. D. Hahn, M. Gatu Johnson, Y. Kim, K. Meaney, M. Millot, R. Nora, P. L. Volegov, C. H. Wilde
Journal: Physics of Plasmas
Phys. Plasmas 30, 092708 (2023)
https://doi.org/10.1063/5.0163396
Published: September 2023
View article titled, First large capsule implosions in a frustum-shaped <em>hohlraum</em>
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Journal Articles

National Diagnostic Working Group (NDWG) for inertial confinement fusion (ICF)/high-energy density (HED) science: The whole exceeds the sum of its parts

J. D. Kilkenny, W. W. Hsing, S. H. Batha, G. A. Rochau, T. C. Sangster, P. M. Bell, D. K. Bradley, H. Chen, J. A. Frenje, M. Gatu-Johnson, V. Yu. Glebov, R. J. Leeper, A. J. Mackinnon, S. P. Regan, J. S. Ross, J. l. Weaver
Journal: Review of Scientific Instruments
Rev. Sci. Instrum. 94, 081101 (2023)
https://doi.org/10.1063/5.0128650
Published: August 2023
View article titled, National Diagnostic Working Group (NDWG) for inertial confinement fusion (ICF)/high-energy density (HED) science: The whole exceeds the sum of its parts
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Journal Articles

Determining spectral response of the National Ignition Facility particle time of flight diagnostic to x rays

B. Reichelt, N. Kabadi, J. Pearcy, M. Gatu Johnson, S. Dannhoff, B. Lahmann, J. Frenje, C. K. Li, G. Sutcliffe, J. Kunimune, R. Petrasso, H. Sio, A. Moore, E. Mariscal, E. Hartouni
Journal: Review of Scientific Instruments
Rev. Sci. Instrum. 94, 033510 (2023)
https://doi.org/10.1063/5.0101725
Published: March 2023
View article titled, Determining spectral response of the National Ignition Facility particle time of flight diagnostic to x rays
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Journal Articles

Reaching a burning plasma and ignition using smaller capsules/Hohlraums, higher radiation temperatures, and thicker ablator/ice on the national ignition facility

K. L. Baker, C. A. Thomas, O. L. Landen, S. Haan, J. D. Lindl, D. T. Casey, C. Young, R. Nora, O. A. Hurricane, D. A. Callahan, O. Jones, L. Berzak Hopkins, S. Khan, B. K. Spears, S. Le Pape, N. B. Meezan, D. D. Ho, T. Döppner, D. Hinkel, E. L. Dewald, R. Tommasini, M. Hohenberger, C. Weber, D. Clark, D. T. Woods, J. L. Milovich, D. Strozzi, A. Kritcher, H. F. Robey, J. S. Ross, V. A. Smalyuk, P. A. Amendt, B. Bachmann, L. R. Benedetti, R. Bionta, P. M. Celliers, D. Fittinghoff, C. Goyon, R. Hatarik, N. Izumi, M. Gatu Johnson, G. Kyrala, T. Ma, K. Meaney, M. Millot, S. R. Nagel, P. K. Patel, D. Turnbull, P. L. Volegov, C. Yeamans, C. Wilde
Journal: Physics of Plasmas
Phys. Plasmas 30, 032702 (2023)
https://doi.org/10.1063/5.0131180
Published: March 2023
View article titled, Reaching a burning plasma and ignition using smaller capsules/<em>Hohlraums</em>, higher radiation temperatures, and thicker ablator/ice on the national ignition facility
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Journal Articles

Charged particle diagnostics for inertial confinement fusion and high-energy-density physics experiments

M. Gatu Johnson
Journal: Review of Scientific Instruments
Rev. Sci. Instrum. 94, 021104 (2023)
https://doi.org/10.1063/5.0127438
Published: February 2023
View article titled, Charged particle diagnostics for inertial confinement fusion and high-energy-density physics experiments
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