Search Results - "Stamper, J.A."

Large-Larmor-radius interchange instability by RIPIN, B. H, MCLEAN, E. A, MANKA, C. K, PAWLEY, C, STAMPER, J. A, PEYSER, T. A, MOSTOVYCH, A. N, GRUN, J, HASSAM, A. B, HUBA, J

“…Linear and nonlinear features of a robust plasma-magnetic-field interchange Rayleigh-Taylor instability have been observed in the limit of large ion Larmor…”
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Rear surface light emission measurements from laser-produced shock waves in clear and Al-coated polystyrene targets by McLean, E.A, Deniz, A.V, Schmitt, A.J, Stamper, J.A, Obenschain, S.P, Lehecka, T, Mostovych, A.N, Seely, J

“…The Nike KrF laser, with its very uniform focal distributions, has been used at intensities near 10 14 W/cm 2 to launch shock waves in polystyrene targets. The…”
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Reduction of Raman scattering in a plasma to convective levels using induced spatial incoherence by OBENSCHAIN, S. P, PAWLEY, C. J, MOSTOVYCH, A. N, STAMPER, J. A, GARDNER, J. H, SCHMITT, A. J, BODNER, S. E

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Measurements of plasma opacity from laser-produced optically thin strongly coupled plasmas by MOSTOVYCH, A. N, KEARNEY, K. J, STAMPER, J. A, SCHMITT, A. J

“…A new technique for producing dense (10{sup 20} cm{sup {minus}3}), low-temperature (2--6 eV), optically thin, and well characterized laser-produced plasmas is…”
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Laser-target interaction with induced spatial incoherence by OBENSCHAIN, S. P, GRUN, J, GARDNER, J. H, LEHMBERG, R. H, HERBST, M. J, KEARNEY, K. J, MANKA, C. K, MCCLEAN, E. A, MOSTOVYCH, A. N, STAMPER, J. A, WHITLOCK, R. R, BODNER, S. E

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Direct drive acceleration of planar targets with the Nike KrF laser by Pawley, C.J, Sethian, J.D, Bodner, S.E, Gerber, K.A, Lehmberg, R.H, McLean, E.A, Mostovych, A.N, Obenschain, S.P, Serlin, V, Stamper, J.A, Colombant, D, Dahlburg, J.P, Schmitt, A.J, Gardner, J.H, Aglitskiy, Y, Chan, Y, Deniz, A.V, Lehecka, T, Brown, J, Seely, J, Klapisch, M

“…Nike is a multi-kilojoule KrF laser with very high beam uniformity (Δ I/ I<0.2% with all 36 overlapped beams), and the capability to accelerate relatively…”
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Faraday-Rotation Measurements of Megagauss Magnetic Fields in Laser-Produced Plasmas by Stamper, J. A., Ripin, B. H.

“…Magnetic fields in the megagauss range have been observed in the laser-produced plasma near the focus of a high-power laser pulse. Faraday-rotation…”
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Studies of Spontaneous Magnetic Fields in Laser-Produced Plasmas by Faraday Rotation by Stamper, J. A., McLean, E. A., Ripin, B. H.

“…This letter reports on a broad-scale study of the large magnetic fields produced in the focal region of a high-irradiance Nd laser incident on a solid target…”
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Resonant enhancement of the magnetic radiative force by Stamper, J. A.

“…Earlier work described a polarization-dependent radiation force for laser radiation interacting with a magnetized plasma. A new derivation, based on the…”
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Dependence of spontaneous magnetic fields in laser produced plasmas on target size and structure by Raven, A., Rumsby, P. T., Stamper, J. A., Willi, O., Illingworth, R., Thareja, R.

“…Faraday rotation observations of magnetic fields generated by a high-power (λ=1.06 μm) laser focused on various targets have been made. Results indicate that…”
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Preheat Studies for Foils Accelerated by Ablation due to Laser Irradiation by McLean, E. A., Gold, S. H., Stamper, J. A., Whitlock, R. R., Griem, H. R., Obenschain, S. P., Ripin, B. H., Bodner, S. E., Herbst, M. J., Gitomer, S. J., Matzen, M. K.

“…Laser fusion requires the inward acceleration of pellet shells to very high velocity without excessive preheat of the pellet fuel. In a study of ablatively…”
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Observation of Rayleigh-Taylor-like structures in a laser-accelerated foil by WHITLOCK, R. R, EMERY, M. H, STAMPER, J. A, MCLEAN, E. A, OBENSCHAIN, S. P, PECKERAR, M. C

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Enhanced Backscatter with a Structured Laser Pulse by Ripin, B. H., Young, F. C., Stamper, J. A., Armstrong, C. M., Decoste, R., McLean, E. A., Bodner, S. E.

“…A large-amplitude backscatter instability, consistent with Brillouin, occurs when a prepulse plasma is formed ahead of a high-irradiance (10 to the 15th to 10…”
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Variation of Laser Absorption with Plasma Scale Length in Long-Scale-Length Plasmas by Herbst, M. J., Grun, J., Gardner, J., Stamper, J. A., Young, F. C., Obenschain, S. P., McLean, E. A., Ripin, B. H.

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Role of magnetic fields in suprathermal particle generation by laser-produced plasmas by Tidman, D.A., Stamper, J.A.

“…In this note we first use a simple circuit model to summarize the properties of the strong magnetic fields generated in laser-produced plasmas. It is pointed…”
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Time-Resolved Laser-Plasma Backscatter Studies by Ripin, B. H., McMahon, J. M., McLean, E. A., Manheimer, W. M., Stamper, J. A.

“…Time-resolved and time-integrated measurements of the energy, spectra, and other characteristics of the backscattered laser radiation from a laser-produced…”
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Laser-produced-plasma energy transport through plastic films by Young, F. C., Whitlock, R. R., Decoste, R., Ripin, B. H., Nagel, D. J., Stamper, J. A., McMahon, J. M., Bodner, S. E.

“…The transport of energy from a 1.06-μm, 95-psec laser pulse at an irradiance of 1015 W/cm2 through a thin layer of polystyrene into an Al substrate was studied…”
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Laser Radiation Forces in Magnetized Plasmas by Stamper, J. A., Bodner, S. E.

“…A linearly polarized laser beam produces a time-averaged radiative force along its electric vector when interacting with a magnetized plasma. This magnetic…”
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Performance of the NRL Nike-KrF laser for uniform target illumination experiments by Lehecka, T., Deniz, A.V., Hardgrove, J.J., Bodner, S.E., Gerber, K.A., Lehmberg, R.H., McLean, E.A., Obenschain, S.P., Pawley, C.J., Pronko, M.S., Sethian, J.D., Stamper, J.A., Sullivan, C.A.

“…Summary form only given. Nike is a multikilojoule KrF laser system located at the Naval Research Laboratory. Nike produces high-intensity uniform illumination…”
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X-Ray Emission from Laser-Produced Plasmas by Nagel, D. J., Burkhalter, P. G., Dozier, C. M., Holzrichter, J. F., Klein, B. M., McMahon, J. M., Stamper, J. A., Whitlock, R. R.

“…The results of a survey of X-ray spectra from elements across the periodic system are reported. The work has two motivations: plasma diagnostics including…”
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