Statistics – Applications
Scientific paper
May 2003
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003aipc..664..433k&link_type=abstract
BEAMED ENERGY PROPULSION: First International Symposium on Beamed Energy Propulsion. AIP Conference Proceedings, Volume 664, pp
Statistics
Applications
Spaceborne And Space Research Instruments, Apparatus, And Components, Laser Applications, Ion And Plasma Propulsion
Scientific paper
A novel propulsion system that is expected to evolve from promising worldwide research in which ultrafast lasers [with very short pulse length] are used to accelerate charged particles to relativistic speeds is presented. The LAPPS [Laser Accelerated Plasma Propulsion System] concept makes use of high power lasers with femtoseconds pulse lengths that are made to strike micron size focal spots in very thin targets giving rise to nearly collimated, charge neutral, proton beams with mean energies of several MeV. When utilized in a propulsion device these beams produce specific impulses of several million seconds albeit at very modest thrusts, and require nuclear power systems to drive them. In this paper we examine the underlying physics issues and the technological problems that must be addressed to make LAPPS a viable propulsion device that could open up interplanetary and interstellar space to human and robotic missions in the not too distant future.
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