Laser Heating of Particles and Phase Transitions in Dusty Plasmas

Journal Article · Mon Oct 31 00:00:00 EST 2005 · AIP Conference Proceedings

DOI:https://doi.org/10.1063/1.2134632· OSTI ID:20726781

Wolter, Matthias; Melzer, Andre ^[1]

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1. Institut fuer Physik der Ernst-Moritz-Arndt Universitaet, Domstrasse 10a, 17487 Greifswald (Germany)

Experiments on heating and melting of 2D finite dust clusters are performed using random laser excitation of the dust particles by a rapidly moving laser beam. The achievable dust temperatures scale with the square of the laser power. The heating process is described for different dust clusters under various plasma and cluster conditions Laser-driven phase transition are observed. From these experiments, a precise determination of the critical coupling parameter for solid-fluid transition was possible.

• OSTI ID: 20726781
• Journal Information: AIP Conference Proceedings, Vol. 799, Issue 1; Conference: 4. international conference on the physics of dusty plasmas, Orleans (France), 13-17 Jun 2005; Other Information: DOI: 10.1063/1.2134632; (c) 2005 American Institute of Physics; Country of input: International Atomic Energy Agency (IAEA); ISSN 0094-243X
• Country of Publication: United States
• Language: English

Related Subjects

70 PLASMA PHYSICS AND FUSION TECHNOLOGY
COUPLING
DUSTS
EXCITATION
FLUIDS
LASER-RADIATION HEATING
MELTING
PARTICLES
PLASMA
RANDOMNESS
SOLIDS