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Planetary Lasers - Reference System9301-0389301-038aTransmitter Location = Venus Radius of Orbit = 7,641 km Configuration = Linear Resonator Number of Reflectors (Spacecraft) = 6 Number of Hexagonal Mirrors per Reflector = 230,000 Length of Pentagonal Sides = 130 km Spacecraft Mass = 95,000 MT Electrical Power = 405 MW
Wavelength = 10.6 µm Emission Linewidth = 3.3 Hz Circulating Cavity Power = 8.7 MW Baseline Cavity Diameter = 1 km Output Power Density = 11 W/m2 (< 1% Solar Intensity at 1 A.U.) Output Power = 180 kW Lagrange Retargeting Efficiency = 20% Intensity Modulation via deflection or defocusing. 9301-038bReceiver Aperture = 1 km Heterodyne Detection Antenna/Heterodyne Efficiency = 20% Matched MCSA Bandwidth = 3.3 Hz Reference Bit Error Probability = 10-9
Brent Sherwood, "Engineering Planetary Lasers For Interstellar Communication", NASA Contractor Report 180780, May 1988.
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