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- Title
A plasma channel scheme for the interaction of an intense femtosecond laser pulse with a deuterium cluster jet.
- Authors
Chen, G. L.; Lu, H. Y.; Wang, C.; Liu, J. S.; Li, R. X.; Ni, G. Q.; Xu, Z. Z.
- Abstract
We propose a plasma channel scheme to obtain an improved table-top laser driven fusion neutron yield as a result of explosions of large deuterium clusters irradiated by an intense laser pulse. A cylindrical plasma channel is created by two moderate intensity laser prepulses at the edge of a deuterium cluster jet along which an intense main laser pulse propagates several nanoseconds later. With the aid of this plasma channel, the main laser pulse will be allowed to deposit its energy into the central region of the deuterium gas jet where the cluster sizes are larger and the atomic density is higher. The plasma channel formation and its impact on the deuterium ion energy spectrum and the consequent fusion neutron yield have been investigated. The calculated results show that a remarkable increase of the table-top laser driven fusion neutron yield would be expected.
- Subjects
LASERS; FEMTOCHEMISTRY; DEUTERIUM; PHYSICAL &; theoretical chemistry; NEUTRONS
- Publication
European Physical Journal D (EPJ D), 2008, Vol 47, Issue 2, p303
- ISSN
1434-6060
- Publication type
Article
- DOI
10.1140/epjd/e2008-00005-7