Recent results have shown laser momentum transfer coefficients C(sub m) as large as 700 dynes/J from visible and near-infrared laser pulses with heterogeneous targets. Using inexpensive target materials, it is now possible to deliver a 1-tonne satellite from LEO to GEO in 21 days using a 10-kW onboard laser ablation engine, or to maintain several 1-tonne GEO satellites on station from Earth indefinitely using a laser with 100-W average power.
Efficient space propulsion engines based on laser ablation
1993
12 pages
Report
Keine Angabe
Englisch
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