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Efficient source for the production of ultradense deuterium D(-1) for laser-induced fusion (ICF)

Journal article
Authors Patrik U Andersson
Benny Lönn
Leif Holmlid
Published in Review of Scientific Instruments
Volume 82
Pages 013503
Publication year 2011
Published at Department of Chemistry
Pages 013503
Language en
Links scitation.aip.org.proxy.lib.chalmer...
Subject categories Plasma physics, Fusion, Mesoscopic physics

Abstract

A novel source which simplifies the study of ultradense deuterium D(-1) is now described. This means one step further toward deuterium fusion energy production. The source uses internal gas feed and D(-1) can now be studied without time-of-flight spectral overlap from the related dense phase D(1). The main aim here is to understand the material production parameters, and thus a relatively weak laser with focused intensity ≤1012 W cm−2 is employed for analyzing the D(-1) material. The properties of the D(-1) material at the source are studied as a function of laser focus position outside the emitter, deuterium gas feed, laser pulse repetition frequency and laser power, and temperature of the source. These parameters influence the D(-1) cluster size, the ionization mode, and the laser fragmentation patterns.

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