Oxford Centre for High Energy Density Science (OxCHEDS)

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The effect of orbital relaxation in medium and high-Z average-atom calculations

Journal of Quantitative Spectroscopy and Radiative Transfer Elsevier 53:1 (1995) 39-44
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AMPLIFICATION OF XUV HARMONIC RADIATION IN A GALLIUM AMPLIFIER

PHYSICAL REVIEW A 51:6 (1995) R4337-R4340

Authors:

T DITMIRE, MHR HUTCHINSON, MH KEY, CLS LEWIS, A MACPHEE, I MERCER, D NEELY, MD PERRY, RA SMITH, JS WARK, M ZEPF
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Atomic and radiation physics of hot dense plasmas

LASER PLASMA INTERACTIONS 5: INERTIAL CONFINEMENT FUSION 45 (1995) 169-190
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ENERGY-TRANSPORT IN PLASMAS PRODUCED BY APPROXIMATE-TO PS KRYPTON FLUORIDE LASER-PULSES FOCUSED ONTO SOLID TARGETS

LASER INTERACTION WITH MATTER (1995) 427-430

Authors:

GJ TALLENTS, MG HOLDEN, Y ALHADITHI, P FEWS, K NAZIR, S ROSE, PA NORREYS, MH KEY, J ZHANG
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Electron temperature measurements of optically ionised plasmas.

INST PHYS CONF SER (1995) 149-152

Authors:

SG PRESTON, WJ BLYTH, AE DANGOR, A DJAOUI, MH KEY, A MODENA, Z NAJMUDIN, AA OFFENBERGER, JS WARK

Abstract:

We report on optical ionisation experiments using the 350fs and 12ps beams of the Sprite: KIF laser at the Rutherford Appleton Laboratory producing ultraviolet laser radiation at focused intensities up to 10(18)W/cm(2). The experiments are concerned with determining the electron temperature of optically ionised gases and are motivated by the possibility of developing XUV recombination lasers based on this technique, Thomson scattering and stimulated Raman scattering, from gas densities varying from 10(17) to 10(20) atoms/cm(-3) have been made and compared with modelling calculations of heating. A particular objective is to identify the relative importance of inverse bremsstrahlung absorption and SRS in determining the temperature of the electrons. Results for 350fs and 12ps pulses are compulsed and the importance of using sub-ps, short wavelength lasers to minimise electron temperature is confirmed.
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