2011 - 2015

2015

"A Confocal Microscope Position Sensor for Micron-Scale Target Alignment in Ultra-Intense Laser-Matter Experiments"
Christopher Willis, Patrick L. Poole, Kramer U. Akli, Douglass W. Schumacher, and Richard R. Freeman, Review of Scientific Instruments 86, 053303 (2015)

"On specular reflectivity measurements in high and low-contrast relativistic laser-plasma interactions"
G. E. Kemp, A. Link, Y. Ping, H. S. McLean, P. K. Patel, R. Fedosejevs, Y. Y. Tsui, H. F. Tiedje, D. W. Schumacher, R. R. Freeman, and R. Ramis Physics of Plasmas 22, 013110 (2015)

"Time-resolved measurement of single pulse femtosecond laser-induced periodic surface structure formation induced by a pre-fabricated surface groove"
K. R. P. Kafka, D. R. Austin, H. Li, A. Y. Yi, J. Cheng, and E. A. Chowdhury; Optics Express Vol. 23, Issue 15, pp. 19432-19441 (2015)

"Laser induced periodic surface structure formation in germanium by strong field mid IR laser solid interaction at oblique incidence"
Drake R. Austin, Kyle R. P. Kafka, Simeon Trendafilov, Gennady Shvets, Hui Li, Allen Y. Yi, Urszula B. Szafruga, Zhou Wang, Yu Hang Lai, Cosmin I. Blaga, Louis F. DiMauro, and Enam A. Chowdhury; Optics Express Vol. 23, Issue 15, pp. 19522-19534 (2015)

"Laser impact welding: Design of apparatus and parametric optimization"
Huimin Wanga, Geoff Taber, Dejian Liu, Steve Hansen, Enam Chowdhury, Scott Terry, John C. Lippold, Glenn S. Daehn; Journal of Manufacturing Processes, Volume 19, August 2015, Pages 118–124

"Modeling crater formation in femtosecond-pulse laser damage from basic principles"
Robert A. Mitchell, Douglass W. Schumacher, and Enam A. Chowdhury; Optics Letters Vol. 40, Issue 10, pp. 2189-2192 (2015)

"Selective deuterium ion acceleration using the Vulcan petawatt laser"
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, and R. R. Freeman; Phys. Plasmas 22, 053102 (2015)

"Backward-propagating MeV electrons from 10^18 W/cm^2 laser interactions with water"
J. T. Morrison, E. A. Chowdhury, K. D. Frische, S. Feister, V. M. Ovchinnikov, J. A. Nees, C. Orban, R. R. Freeman and W. M. Roquemore; Phys. Plasmas 22, 043101 (2015)

"Backward-propagating MeV electrons in ultra-intense laser interactions: Standing wave acceleration and coupling to the reflected laser pulse"
Chris Orban, John T. Morrison, Enam A. Chowdhury, John A. Nees, Kyle Frische, Scott Feister, and W. M. Roquemore; Phys. Plasmas 22, 023110 (2015)

"Temporal resolution criterion for correctly simulating relativistic electron motion in a high-intensity laser field"
Alexey V. Arefiev, Ginevra E. Cochran, Douglass W. Schumacher, Alexander P.L. Robinson, and Guangye Chen; Phys. Plasmas 22, 013103 (08 January 2015)

"A higher-than-predicted measurement of iron opacity at solar interior temperatures"
J. E. Bailey, T. Nagayama, G. P. Loisel, G. A. Rochau, C. Blancard, J. Colgan, Ph. Cosse, G. Faussurier, C. J. Fontes, F. Gilleron, I. Golovkin, S. B. Hansen, C. A. Iglesias, D. P. Kilcrease, J. J. MacFarlane, R. C. Mancini, S. N. Nahar, C. Orban, J.-C. Pain, A. K. Pradhan, M. Sherrill, and B. G. Wilson; Nature 517, 56–59 (01 January 2015)


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2014

"Characterisation of deuterium spectra from laser driven multi-species sources by employing differentially filtered image plate detectors in Thomson spectrometers"
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, and M. Borghesi; Rev. Sci. Instrum. 85, 093303 (2014)

"Enhancing Bremsstrahlung Production From Ultraintense Laser-Solid Interactions With Front Surface Structures"
S. Jiang, A. G. Krygier, D. W. Schumacher, K. U. Akli, R. R. Freeman; (2014)

"Modeling femtosecond-pulse laser damage using Particle-In-Cell simulations"
R. A. Mitchell, D. W. Schumacher, E. A. Chowdhury; Optical Engineering 53, 122507 (2014)

"Radiation-Reaction Trapping of Electrons in Extreme Laser Fields"
L. L. Ji, A. Pukhov, I. Yu. Kostyukov, B. F. Shen, and K. Akli; Phys. Rev. Lett. 112, 145003 (2014)

"Kα x-ray imaging of laser-irradiated, limited-mass zirconium foils"
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; Phys. Plasmas 21, 072704 (2014)

"A novel femtosecond-fated, high-resolution, frequency-shifted shearing interferometry technique for probing pre-plasma expansion in ultra-intense laser experiments"
S. Feister, J. A. Nees, J. T. Morrison, K. D. Frische, C. Orban, E. A. Chowdhury, W. M. Roquemore; Rev. Sci. Inst. (2014)

"Liquid crystal films as on-demand, variable thickness (50-5000 nm) targets for intense lasers"
P. L. Poole, C. D. Andereck, D. W. Schumacher, R. L. Daskalova, S. Feister, K. M. George, C. Willis, K. U. Akli, E. A. Chowdhury; Phys. Plasmas (2014)

"Energy partition, gamma ray emission, and radiation reaction in the near-quantum electrodynamics regime of laser-plasma interaction"
L. L. Ji, A. Pukhov, E. N. Nerush, I. Yu. Kostyukov, B. F. Shen, and K. U. Akli; Phys. Plasmas 21, 023109 (2014)

"Effects of front-surface target structures on properties of relativistic laser-plasma electrons"
S. Jiang, A. G. Krygier, D. W. Schumacher, K. U. Akli, and R. R. Freeman; Phys. Rev. E 89, 013106 (2014)

"On the origin of super hot electrons from intense laser interactions with solid targets"
A. G. Krygier, D. W. Schumacher, and R. R. Freeman; Phys. Plasmas 21, 023112 (2014)


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2013

"Femtosecond laser damage threshold of pulse compression gratings for petawatt scale laser systems"
P. Poole, S. Trendafilov, G. Shvets, D. Smith, and E. Chowdhury; Optics Express 21, 026341 (2013)

"Fast Neutron production from lithium converters and laser-driven protons"
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, and K. Akli; Phys. Plasmas 20, 053106 (2013)

"Coupling of laser energy into hot-electrons in high-contrast relativistic laser-plasma interactions"
G. E. Kemp, A. Link, Y. Ping, D. W. Schumacher, R. R. Freeman, and P. K. Patel; Phys. Plasmas 20, 033104 (2013)

"Effects of preplasma scale length and laser intensity on the divergence of laser-generated hot electrons"
V. M. Ovchinnikov, D. W. Schumacher, M. McMahon, E. A. Chowdhury, C. D. Chen, A. Morace, and R. R. Freeman; PRL 110, 065007 (2013)

"Effect of target material on fast-electron transport and resistive collimation"
S. Chawla, M. S. Wei, R. Mishra, K. U Akli, C. D. Chen, H. S. McLean, A. Morace, P. K. Patel, H. Sawada, Y. Sentoku, R. B. Stephens and F. N. Beg; PRL 110, 025001 (2013)


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2012

"Coupling of high-intensity laser light to fast electrons in cone-guided fast ignition"
K. U. Akli, C. Orban, D. Schumacher, M. Storm, M. Fatenejad, D. Lamb, and R. R. Freeman; Phys. Rev. E 86, 065402(R) (2012)

"Dynamics of Relativistic Laser-Plasma Interactions on Solid Targets"
Y. Ping, A. J. Kemp, L. Divol, M. H. Key, P. K. Patel, K. U. Akli, F. N. Beg, S. Chawla, C. D. Chen, R. R. Freeman, D. Hey, D. P. Higginson, L. C. Jarrott, G. E. Kemp, A. Link, H. S. McLean, H. Sawada, R. B. Stephens, D. Turnbull, B. Westover, and S. C. Wilks; Phys. Rev. Lett. 109, 145006 (2012)

"Time dependence of fast electron beam divergence in ultraintense laser-plasma interactions"
K. U. Akli, M. J. Storm, M. McMahon, S. Jiang, V. Ovchinnikov, D. W. Schumacher, R. R. Freeman, G. Dyer, T. Ditmire; Phys. Rev. E 86, 026404 (2012)

"Selective Deuteron Production using Target Normal Sheath Acceleration"
J. T. Morrison, M. Storm, K. U. Akli, S. Feldman, C. Willis, E. Chowdhury, R. L. Daskalova, T. Ditmire, L. Van Woerkom, R. R. Freeman; Phys. Plasmas 19, 030707 (2012)

"Hot Electron Temperature and Coupling Efficiency Scaling with Prepulse for Cone-Guided Fast Ignition"
T. Ma, H. Sawada, P. K. Patel, C. D. Chen, L. Divol, D. P. Higginson1, A. J. Kemp, M. H. Key, D. J. Larson, S. Le Pape, A. Link, A. G. MacPhee, H. S. McLean, Y. Ping, R. B. Stephens, S. C. Wilks, and F. N. Beg ; Phys. Rev. Lett. 108, 115004 (2012)


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2011

"A novel zirconium Kα imager for high energy density physics research"
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, and R. R. Freeman; Rev. Sci. Instrum. 82, 123503 (2011)

"Using time-integrated Ka images to study refluxing and the extent of pre-plasmas in LPI Experiments"
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, and A. Link; Phys. Plasmas 18, 112702 (2011)

"Comparison of bulk and pitcher-catcher targets for laser-driven neutron production"
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, and K. Krushelnick; Phys. Plasmas 18, 083106 (2011)

"How well do time-integrated Kα images represent hot electron spatial distributions?"
V. M. Ovchinnikov, G. E. Kemp, D. W. Schumacher, R. R. Freeman, and L. D. Van Woerkom; Physics of Plasmas 18, 072704 (2011)

"The shaped critical surface in high intensity laser plasma interaction"
D. W. Schumacher, G. E. Kemp, A. Link, R. R. Freeman, and L. D. Van Woerkom; Physics of Plasmas 18, 013102 2011 (2011)

"Effects of target charging and ion emission on the energy spectrum of emitted electrons"
A. Link, R. R. Freeman, D. W. Schumacher, and L. D. Van Woerkom; Physics of Plasmas 18, 053107 (2011)

"Design of and data reduction from compact Thomson parabola spectrometers"
J. T. Morrison, C. Willis, R. R. Freeman, and L. Van Woerkom; Rev. Sci. Instrum. 82, 033506 (2011); doi:10.1063/1.3556444

"Front vs. Rear Side Light-Ion Acceleration from High-Intensity Laser-solid Interactions"
L. Willingale, R.R. Freeman, V.Ovchinnikov, L Van Woerkom, et al., Plasma Physics and Controlled Fusion, 53 (1) 014011 (2011)


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