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R. R. Freeman
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Journal Articles

Absolute calibration of Fujifilm BAS-TR image plate response to laser driven protons up to 40 MeV

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P. Martin, H. Ahmed, D. Doria, A. Alejo, R. Clarke, S. Ferguson, J. Fernández-Tobias, R. R. Freeman, J. Fuchs, A. Green, J. S. Green, D. Gwynne, F. Hanton, J. Jarrett, D. Jung, K. F. Kakolee, A. G. Krygier, C. L. S. Lewis, A. McIlvenny, P. McKenna, J. T. Morrison, Z. Najmudin, K. Naughton, G. Nersisyan, P. Norreys, M. Notley, M. Roth, J. A. Ruiz, C. Scullion, M. Zepf, S. Zhai, M. Borghesi, S. Kar
Journal: Review of Scientific Instruments
Rev. Sci. Instrum. 93, 053303 (2022)
https://doi.org/10.1063/5.0089402
Published: May 2022
View articletitled, Absolute calibration of Fujifilm BAS-TR image plate response to laser driven protons up to 40 MeV
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Journal Articles

Observation of extremely strong shock waves in solids launched by petawatt laser heating

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K. L. Lancaster, A. P. L. Robinson, J. Pasley, P. Hakel, T. Ma, K. Highbarger, F. N. Beg, S. N. Chen, R. L. Daskalova, R. R. Freeman, J. S. Green, H. Habara, P. Jaanimagi, M. H. Key, J. King, R. Kodama, K. Krushelnick, H. Nakamura, M. Nakatsutsumi, A. J. MacKinnon, A. G. MacPhee, R. B. Stephens, L. Van Woerkom, P. A. Norreys
Journal: Physics of Plasmas
Phys. Plasmas 24, 083115 (2017)
https://doi.org/10.1063/1.5000064
Published: August 2017
View articletitled, Observation of extremely strong shock waves in solids launched by petawatt laser heating
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Journal Articles

Calibration of time of flight detectors using laser-driven neutron source

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S. R. Mirfayzi, S. Kar, H. Ahmed, A. G. Krygier, A. Green, A. Alejo, R. Clarke, R. R. Freeman, J. Fuchs, D. Jung, A. Kleinschmidt, J. T. Morrison, Z. Najmudin, H. Nakamura, P. Norreys, M. Oliver, M. Roth, L. Vassura, M. Zepf, M. Borghesi
Journal: Review of Scientific Instruments
Rev. Sci. Instrum. 86, 073308 (2015)
https://doi.org/10.1063/1.4923088
Published: July 2015
View articletitled, Calibration of time of flight detectors using laser-driven neutron source
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Journal Articles

Selective deuterium ion acceleration using the Vulcan petawatt laser

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A. G. Krygier, J. T. Morrison, S. Kar, H. Ahmed, A. Alejo, R. Clarke, J. Fuchs, A. Green, D. Jung, A. Kleinschmidt, Z. Najmudin, H. Nakamura, P. Norreys, M. Notley, M. Oliver, M. Roth, L. Vassura, M. Zepf, M. Borghesi, R. R. Freeman
Journal: Physics of Plasmas
Phys. Plasmas 22, 053102 (2015)
https://doi.org/10.1063/1.4919618
Published: May 2015
View articletitled, Selective deuterium ion acceleration using the Vulcan petawatt laser
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Journal Articles

Backward-propagating MeV electrons from 1018 W/cm2 laser interactions with water

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J. T. Morrison, E. A. Chowdhury, K. D. Frische, S. Feister, V. M. Ovchinnikov, J. A. Nees, C. Orban, R. R. Freeman, W. M. Roquemore
Journal: Physics of Plasmas
Phys. Plasmas 22, 043101 (2015)
https://doi.org/10.1063/1.4916493
Published: April 2015
View articletitled, Backward-propagating MeV electrons from 1018 W/cm2 laser interactions with water
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Journal Articles

On specular reflectivity measurements in high and low-contrast relativistic laser-plasma interactions

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G. E. Kemp, A. Link, Y. Ping, H. S. McLean, P. K. Patel, R. R. Freeman, D. W. Schumacher, H. F. Tiedje, Y. Y. Tsui, R. Ramis, R. Fedosejevs
Journal: Physics of Plasmas
Phys. Plasmas 22, 013110 (2015)
https://doi.org/10.1063/1.4906053
Published: January 2015
View articletitled, On specular reflectivity measurements in high and low-contrast relativistic laser-plasma interactions
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Journal Articles

Characterisation of deuterium spectra from laser driven multi-species sources by employing differentially filtered image plate detectors in Thomson spectrometers

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A. Alejo, S. Kar, H. Ahmed, A. G. Krygier, D. Doria, R. Clarke, J. Fernandez, R. R. Freeman, J. Fuchs, A. Green, J. S. Green, D. Jung, A. Kleinschmidt, C. L. S. Lewis, J. T. Morrison, Z. Najmudin, H. Nakamura, G. Nersisyan, P. Norreys, M. Notley, M. Oliver, M. Roth, J. A. Ruiz, L. Vassura, M. Zepf, M. Borghesi
Journal: Review of Scientific Instruments
Rev. Sci. Instrum. 85, 093303 (2014)
https://doi.org/10.1063/1.4893780
Published: September 2014
View articletitled, Characterisation of deuterium spectra from laser driven multi-species sources by employing differentially filtered image plate detectors in Thomson spectrometers
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Journal Articles

Kα x-ray imaging of laser-irradiated, limited-mass zirconium foils

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M. Storm, B. Eichman, C. Orban, S. Jiang, G. Fiksel, C. Stoeckl, G. Dyer, T. Ditmire, R. Stephens, W. Theobald, J. A. Delettrez, R. R. Freeman, K. Akli
Journal: Physics of Plasmas
Phys. Plasmas 21, 072704 (2014)
https://doi.org/10.1063/1.4889881
Published: July 2014
View articletitled, Kα x-ray imaging of laser-irradiated, limited-mass zirconium foils
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Journal Articles

On the origin of super-hot electrons from intense laser interactions with solid targets having moderate scale length preformed plasmas

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A. G. Krygier, D. W. Schumacher, R. R. Freeman
Journal: Physics of Plasmas
Phys. Plasmas 21, 023112 (2014)
https://doi.org/10.1063/1.4866587
Published: February 2014
View articletitled, On the origin of super-hot electrons from intense laser interactions with solid targets having moderate scale length preformed plasmas
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Journal Articles

Note: Characterization of a high-photon-energy X-ray imager

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M. Storm, B. Eichman, Z. Zhong, W. Theobald, P. Schiebel, C. Mileham, C. Stoeckl, I. A. Begishev, G. Fiksel, R. B. Stephens, R. R. Freeman, K. U. Akli
Journal: Review of Scientific Instruments
Rev. Sci. Instrum. 84, 106103 (2013)
https://doi.org/10.1063/1.4825139
Published: October 2013
View articletitled, Note: Characterization of a high-photon-energy X-ray imager
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Journal Articles

Fast neutron production from lithium converters and laser driven protons

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M. Storm, S. Jiang, D. Wertepny, C. Orban, J. Morrison, C. Willis, E. McCary, P. Belancourt, J. Snyder, E. Chowdhury, W. Bang, E. Gaul, G. Dyer, T. Ditmire, R. R. Freeman, K. Akli
Journal: Physics of Plasmas
Phys. Plasmas 20, 053106 (2013)
https://doi.org/10.1063/1.4803648
Published: May 2013
View articletitled, Fast neutron production from lithium converters and laser driven protons
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Journal Articles

Coupling of laser energy into hot-electrons in high-contrast relativistic laser-plasma interactions

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G. E. Kemp, A. Link, Y. Ping, D. W. Schumacher, R. R. Freeman, P. K. Patel
Journal: Physics of Plasmas
Phys. Plasmas 20, 033104 (2013)
https://doi.org/10.1063/1.4794961
Published: March 2013
View articletitled, Coupling of laser energy into hot-electrons in high-contrast relativistic laser-plasma interactions
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Journal Articles

Selective deuteron production using target normal sheath acceleration

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J. T. Morrison, M. Storm, E. Chowdhury, K. U. Akli, S. Feldman, C. Willis, R. L. Daskalova, T. Growden, P. Berger, T. Ditmire, L. Van Woerkom, R. R. Freeman
Journal: Physics of Plasmas
Phys. Plasmas 19, 030707 (2012)
https://doi.org/10.1063/1.3695061
Published: March 2012
View articletitled, Selective deuteron production using target normal sheath acceleration
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Journal Articles

A novel zirconium Kα imager for high energy density physics research

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K. U. Akli, M. Sanchez del Rio, S. Jiang, M. S. Storm, A. Krygier, R. B. Stephens, N. R. Pereira, E. O. Baronova, W. Theobald, Y. Ping, H. S. McLean, P. K. Patel, M. H. Key, R. R. Freeman
Journal: Review of Scientific Instruments
Rev. Sci. Instrum. 82, 123503 (2011)
https://doi.org/10.1063/1.3665931
Published: December 2011
View articletitled, A novel zirconium Kα imager for high energy density physics research
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Journal Articles

Using time-integrated Kα images to study refluxing and the extent of pre-plasmas in intense laser-plasma experiment

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V. M. Ovchinnikov, D. W. Schumacher, G. E. Kemp, A. G. Krygier, L. D. Van Woerkom, K. U. Akli, R. R. Freeman, R. B. Stephens, A. Link
Journal: Physics of Plasmas
Phys. Plasmas 18, 112702 (2011)
https://doi.org/10.1063/1.3656957
Published: November 2011
View articletitled, Using time-integrated Kα images to study refluxing and the extent of pre-plasmas in intense laser-plasma experiment
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Journal Articles

Comparison of bulk and pitcher-catcher targets for laser-driven neutron production

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L. Willingale, G. M. Petrov, A. Maksimchuk, J. Davis, R. R. Freeman, A. S. Joglekar, T. Matsuoka, C. D. Murphy, V. M. Ovchinnikov, A. G. R. Thomas, L. Van Woerkom, K. Krushelnick
Journal: Physics of Plasmas
Phys. Plasmas 18, 083106 (2011)
https://doi.org/10.1063/1.3624769
Published: August 2011
View articletitled, Comparison of bulk and pitcher-catcher targets for laser-driven neutron production
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Journal Articles

How well do time-integrated Kα images represent hot electron spatial distributions?

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V. M. Ovchinnikov, G. E. Kemp, D. W. Schumacher, R. R. Freeman, L. D. Van Woerkom
Journal: Physics of Plasmas
Phys. Plasmas 18, 072704 (2011)
https://doi.org/10.1063/1.3609819
Published: July 2011
View articletitled, How well do time-integrated Kα images represent hot electron spatial distributions?
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Journal Articles

Effects of target charging and ion emission on the energy spectrum of emitted electrons

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A. Link, R. R. Freeman, D. W. Schumacher, L. D. Van Woerkom
Journal: Physics of Plasmas
Phys. Plasmas 18, 053107 (2011)
https://doi.org/10.1063/1.3587123
Published: May 2011
View articletitled, Effects of target charging and ion emission on the energy spectrum of emitted electrons
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Journal Articles

Design of and data reduction from compact Thomson parabola spectrometers

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J. T. Morrison, C. Willis, R. R. Freeman, L. Van Woerkom
Journal: Review of Scientific Instruments
Rev. Sci. Instrum. 82, 033506 (2011)
https://doi.org/10.1063/1.3556444
Published: March 2011
View articletitled, Design of and data reduction from compact Thomson parabola spectrometers
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Journal Articles

The shaped critical surface in high intensity laser plasma interactions

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D. W. Schumacher, G. E. Kemp, A. Link, R. R. Freeman, L. D. Van Woerkom
Journal: Physics of Plasmas
Phys. Plasmas 18, 013102 (2011)
https://doi.org/10.1063/1.3532958
Published: January 2011
View articletitled, The shaped critical surface in high intensity laser plasma interactions
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