Abstract
We report studies of fast-ion emission from high and low-Z targets irradiated by 25 or 100 psec pulses from a Neodymium laser. We have studied the functional dependence of the ion kinetic energy on laser intensity, and shown that fast-ions are suppressed if a mode-locked pulse train irradiates the target at the same maximum intensities used with a single pulse. When fast ions are suppressed anomalous groups of high energy ions are emitted parallel to the target surface. An explanation of this effect is closely related to ponderomotive force self-focussing in laser-produced plasmas and recent results on this phenomenon will be presented.
Presented at the Fourth International Workshop Conference on “Laser Interaction and Related Plasma Phenomena” held at R.P.I., Troy, New York, Nov 8–12 1976.
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© 1977 Plenum Press, New York
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Luther-Davies, B., Siegrist, M.R., del Pizzo, V., Hughes, J.L. (1977). Generation and Suppression of Fast-Ions from a Laser-Plasma and Related Self-Focussing Effects. In: Schwarz, H.J., Hora, H. (eds) Laser Interaction and Related Plasma Phenomena. Springer, Boston, MA. https://doi.org/10.1007/978-1-4684-8798-5_3
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DOI: https://doi.org/10.1007/978-1-4684-8798-5_3
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