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Energy balance measurements for Shiva

Description: The Lawrence Livermore Laboratory Shiva laser-target interaction facility is designed for experiments at 20 to 30 terawatts. At this power level there will be larger fluxes of neutrons, x-rays, electrons and ions than have been previously measured. The measurements of energy converted into the various reaction products is crucial both in target design and performance analysis of the actual experiment. The total energy absorbed is measured by a box calorimeter surrounding the target except for b… more
Date: October 24, 1977
Creator: Glaros, S.S.; Rupert, V.C.; Gunn, S.R.; Phillion, D.W. & Kornblum, H.N.
Partner: UNT Libraries Government Documents Department
open access

Shiva optical diagnostics

Description: In the laser fusion program at Lawrence Livermore Laboratory, no target experiment is complete unless it is complemented by careful measurements of the laser pulse that irradiates the target. For this purpose, an incident beam diagnostics (IBD) package has been designed for the Shiva laser. The package will furnish data on items such as the total energy and the focusable energy out of the laser chain, and the spatial and temporal energy and power distribution at the target plane. Understanding … more
Date: October 24, 1977
Creator: Rienecker, F.; Kobierecki, M.; Ozarski, R.; Seppala, L.; Manes, K. & Merritt, B.
Partner: UNT Libraries Government Documents Department
open access

High performance inertial fusion targets

Description: Inertial confinement fusion (ICF) designs are considered which may have very high gains (approximately 1000) and low power requirements (<100 TW) for input energies of approximately one megajoule. These include targets having very low density shells, ultra thin shells, central ignitors, magnetic insulation, and non-ablative acceleration.
Date: August 24, 1977
Creator: Nuckolls, J.H.; Bangerter, R.O.; Lindl, J.D.; Mead, W.C. & Pan, Y.L.
Partner: UNT Libraries Government Documents Department
open access

Simulations of intermediate density laser fusion targets: recent progress in design and analysis

Description: The attainment of low-adiabat compression to high final state density is essential for achieving high gain thermonuclear micro-implosions. Using 1- and 2-dimensional numerical simulations with LASNEX, the target performance which can be expected and the limitations imposed by absorption heating, and transport for targets designed to reach 100 x liquid DT density (20g/cm/sup 3/) are discussed. The requirements imposed by the need for low preheat, adequate implosion symmetry, and the behavior of … more
Date: August 24, 1977
Creator: Mead, W. C.; Lindl, J. D.; Nuckolls, J. H.; Larsen, J. T.; Bailey, D. S. & Pan, Y. L.
Partner: UNT Libraries Government Documents Department
open access

Solar energy conference, final report

Description: The conference attendance, publicity and press coverage, brochure mailing, presentations, displays, exhibitors, management seminar checklist, and seminar evaluation by attendees are presented. Also included are the proposal for funding of the conference, the list of attendees, keynote speeches, agenda, and feedback questionnaire. (MHR)
Date: May 24, 1977
Partner: UNT Libraries Government Documents Department
open access

Reflectance measurements of vacuum-deposited aluminum films

Description: An integrating sphere technique was used for the measurement of the total and specular reflectance of vacuum-evaporated aluminum films. The appearance of the surface to the naked eye was relatively insensitive to the total reflectance, but was very closely related to the fraction of reflected light that was specularly reflected. Milky or cloudy-appearing aluminum films had a low specular reflectance while mirror-like films had a high specular reflectance. Surface specular reflectance was in tur… more
Date: March 24, 1977
Creator: Sherman, D. M.
Partner: UNT Libraries Government Documents Department
open access

Identification of Rydberg states in the atomic lanthanides and actinides

Description: The study of Rydberg spectra and ionization thresholds of ten lanthanides using several variations of time-resolved resonant multistep techniques is reported. The ionization limits for the lanthanides determined in this way show a systematic dependence on atomic number. A physical model explaining these results is presented. 16 references. (JFP)
Date: May 24, 1977
Creator: Paisner, J. A.; Solarz, R. W.; Worden, E. F. & Conway, J. G.
Partner: UNT Libraries Government Documents Department
open access

Optical engineering problems associated with construction of the Shiva Laser Fusion Facility

Description: The Shiva laser system is part of a new 20 terawatt laser facility at Lawrence Livermore Laboratory. The system contains more than $5,000,000 worth of optics. This paper discusses the various optical components, typical component quantities and specification, and the problem of laser damage to components.
Date: August 24, 1977
Creator: Godwin, R. O.; Bliss, E. S.; Glaze, J. A.; O'Neal, W. C.; Patton, H. G.; Summers, M. A. et al.
Partner: UNT Libraries Government Documents Department
open access

Reversed field Vlasov equilibria and orbits in 2D axisymmetric 2XIIB configurations

Description: The details of the ion distribution function are important in determining the volume of and degree of field reversal. To show some of these dependencies the double delta function distribution function f = delta(E - E/sub 0/)delta(P/sub c/ - P/sub co/) is used where E and P/sub c/ are the particle energy and canonical angular momentum, respectively. Electrons are ignored except for providing charge neutrality. Results of a parameter study from the 2D axisymmetric equilibrium code CYLEQ/sup 1/ wi… more
Date: October 24, 1977
Creator: Anderson, D. V.; Rensink, M. E. & Post, R. F.
Partner: UNT Libraries Government Documents Department
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