Optical Problems of Laser Radiation Transport in the LOTV Concept

Details Optical Problems of Laser Radiation Transport in the LOTV Concept Optical Problems of Laser Radiation Transport in the LOTV Concept

Mar 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004aipc..702..310r&link_type=abstract

BEAMED ENERGY PROPULSION: Second International Symposium on Beamed Energy Propulsion. AIP Conference Proceedings, Volume 702, p

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Spaceborne And Space Research Instruments, Apparatus, And Components, Laser Applications, Propagation, Transmission, Attenuation, And Radiative Transfer

Scientific paper

In the scope of the LOTV concept optical problems have been considered of a laser power transport from an airborne laser, flying at a 10-kilometer altitude, to a space ``tugboat'' with a laser propulsion engine (LPE), intended for payload orbital transfer from LEO to GEO. For a transmitter telescope size of 1-1.5 m the range of optimal sizes of a receiver collector as well as the range of optimal specific impulses of LPE have been determined for the radiation wavelength of 0.5 μ and 1 μ, and payloads of 3-5 t. The optimization was carried out by searching a trade-off between propellant mass saving and the orbit transfer time reduction.

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