Search Results - "Shaw, L J"

Dephasingless Laser Wakefield Acceleration by Palastro, J P, Shaw, J L, Franke, P, Ramsey, D, Simpson, T T, Froula, D H

“…Laser wakefield accelerators (LWFAs) produce extremely high gradients enabling compact accelerators and radiation sources but face design limitations, such as…”
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Raman Amplification with a Flying Focus by Turnbull, D, Bucht, S, Davies, A, Haberberger, D, Kessler, T, Shaw, J L, Froula, D H

“…We propose a new laser amplifier scheme utilizing stimulated Raman scattering in plasma in conjunction with a "flying focus"-a chromatic focusing system…”
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Ionization Waves of Arbitrary Velocity by Turnbull, D, Franke, P, Katz, J, Palastro, J P, Begishev, I A, Boni, R, Bromage, J, Milder, A L, Shaw, J L, Froula, D H

“…Flying focus is a technique that uses a chirped laser beam focused by a highly chromatic lens to produce an extended focal region within which the peak laser…”
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Role of Direct Laser Acceleration of Electrons in a Laser Wakefield Accelerator with Ionization Injection by Shaw, J L, Lemos, N, Amorim, L D, Vafaei-Najafabadi, N, Marsh, K A, Tsung, F S, Mori, W B, Joshi, C

“…We show the first experimental demonstration that electrons being accelerated in a laser wakefield accelerator operating in the forced or blowout regimes gain…”
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Single-shot electron radiography using a laser–plasma accelerator by Bruhaug, G., Freeman, M. S., Rinderknecht, H. G., Neukirch, L. P., Wilde, C. H., Merrill, F. E., Rygg, J. R., Wei, M. S., Collins, G. W., Shaw, J. L.

“…Contact and projection electron radiography of static targets was demonstrated using a laser–plasma accelerator driven by a kilojoule, picosecond-class laser…”
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Observation of Betatron X-Ray Radiation in a Self-Modulated Laser Wakefield Accelerator Driven with Picosecond Laser Pulses by Albert, F, Lemos, N, Shaw, J L, Pollock, B B, Goyon, C, Schumaker, W, Saunders, A M, Marsh, K A, Pak, A, Ralph, J E, Martins, J L, Amorim, L D, Falcone, R W, Glenzer, S H, Moody, J D, Joshi, C

“…We investigate a new regime for betatron x-ray emission that utilizes kilojoule-class picosecond lasers to drive wakes in plasmas. When such laser pulses with…”
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Climatology of Transport in the Strait of Belle Isle by Shaw, J.‐L., Galbraith, P. S.

“…The Strait of Belle Isle (SBI) is an important pathway for water mass exchanges between the Labrador Shelf and the Gulf of St. Lawrence (GSL), particularly for…”
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The influence of laser focusing conditions on the direct laser acceleration of electrons by Tang, H, Tangtartharakul, K, Babjak, R, Yeh, I-L, Albert, F, Chen, H, Campbell, P T, Ma, Y, Nilson, P M, Russell, B K, Shaw, J L, Thomas, A G R, Vranic, M, Arefiev, A V, Willingale, L

“…Abstract Direct laser acceleration of electrons during a high-energy, picosecond laser interaction with an underdense plasma has been demonstrated to be…”
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Evolution of the Electron Distribution Function in the Presence of Inverse Bremsstrahlung Heating and Collisional Ionization by Milder, A L, Le, H P, Sherlock, M, Franke, P, Katz, J, Ivancic, S T, Shaw, J L, Palastro, J P, Hansen, A M, Begishev, I A, Rozmus, W, Froula, D H

“…The picosecond evolution of non-Maxwellian electron distribution functions was measured in a laser-produced plasma using collective electron plasma wave…”
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Microcoulomb (0.7 ± 0.40.2 μC) laser plasma accelerator on OMEGA EP by Shaw, J. L., Romo-Gonzalez, M. A., Lemos, N., King, P. M., Bruhaug, G., Miller, K. G., Dorrer, C., Kruschwitz, B., Waxer, L., Williams, G. J., Ambat, M. V., McKie, M. M., Sinclair, M. D., Mori, W. B., Joshi, C., Chen, Hui, Palastro, J. P., Albert, F., Froula, D. H.

“…Laser-plasma accelerators (LPAs) driven by picosecond-scale, kilojoule-class lasers can generate particle beams and x-ray sources that could be utilized in…”
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Hearing Voices: Reapproaching Medieval Inquisition Records by Zbíral, David, Shaw, Robert L. J

“…The records of medieval heresy inquisitions have been a subject of controversy ever since their rediscovery by historians. The detail they convey of specific…”
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Impact of fertiliser nitrogen formulation, and N stabilisers on nitrous oxide emissions in spring barley by Roche, L., Forrestal, P.J., Lanigan, G.J., Richards, K.G., Shaw, L.J., Wall, D.P.

“…•Nitrous oxide (N2O) emissions from this temperate spring cereal system were substantially lower than the 1% IPCC default emission factor ascross all…”
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Formation of Ultrarelativistic Electron Rings from a Laser-Wakefield Accelerator by Pollock, B B, Tsung, F S, Albert, F, Shaw, J L, Clayton, C E, Davidson, A, Lemos, N, Marsh, K A, Pak, A, Ralph, J E, Mori, W B, Joshi, C

“…Ultrarelativistic-energy electron ring structures have been observed from laser-wakefield acceleration experiments in the blowout regime. These electron rings…”
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Predominant contribution of direct laser acceleration to high-energy electron spectra in a low-density self-modulated laser wakefield accelerator by King, P. M., Miller, K., Lemos, N., Shaw, J. L., Kraus, B. F., Thibodeau, M., Hegelich, B. M., Hinojosa, J., Michel, P., Joshi, C., Marsh, K. A., Mori, W., Pak, A., Thomas, A. G. R., Albert, F.

“…The two-temperature relativistic electron spectrum from a low-density (3×1017cm−3) self-modulated laser wakefield accelerator (SM-LWFA) is observed to…”
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Photoluminescence studies of cubic GaN epilayers by Church, S. A., Hammersley, S., Mitchell, P. W., Kappers, M. J., Sahonta, S. L., Frentrup, M., Nilsson, D., Ward, P. J., Shaw, L. J., Wallis, D. J., Humphreys, C. J., Oliver, R. A., Binks, D. J., Dawson, P.

“…The luminescence properties of cubic GaN films grown upon 3C‐SiC/Si (001) substrates by MOCVD were investigated. The spectra show luminescence peaks which are…”
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Coronary Heart Disease in Women: Update 2008 by Wenger, N K, Shaw, L J, Vaccarino, V

“…Coronary heart disease (CHD) remains the leading cause of mortality for US women, responsible for almost 250,000 deaths annually. Preventive heart‐health…”
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Single-shot cross-correlation of counter-propagating, short optical pulses using random quasi-phase-matching by Dorrer, C., Shaw, J. L.

“…The single-shot cross-correlation of the short optical pulses generated by two laser facilities is acquired using random quasi-phase-matching of the…”
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Scanning laser Doppler imaging may predict disease progression of localized scleroderma in children and young adults by Shaw, L.J., Shipley, J., Newell, E.L., Harris, N., Clinch, J.G., Lovell, C.R.

“…Summary Background Localized scleroderma is a rare but potentially disfiguring and disabling condition. Systemic treatment should be started early in those…”
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Myocardial perfusion scintigraphy: the evidence: A consensus conference organised by the British Cardiac Society, the British Nuclear Cardiology Society and the British Nuclear Medicine Society, endorsed by the Royal College of Physicians of London and the Royal College of Radiologists by Underwood, S. R., Anagnostopoulos, C., Cerqueira, M., Ell, P. J., Flint, E. J., Harbinson, M., Kelion, A. D., Al-Mohammad, A., Prvulovich, E. M., Shaw, L. J., Tweddel, A. C.

“…This review summarises the evidence for the role of myocardial perfusion scintigraphy (MPS) in patients with known or suspected coronary artery disease. It is…”
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Toponymic surnames and the spatiality of heresy prosecutions: Peter Seila’s register of sentences from the Quercy region (Languedoc), 1241–1242 by Shaw, Robert L. J., Sikk, Kaarel, Zbíral, David

“…Abstract Our knowledge of the geography of medieval religious dissent and its repression in the Latin West is limited by a lack of systematic study of…”
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