1996-07-01

Rectenna Options for a Lunar-Solar Power System 961465

The lunar-solar power system features collection of solar radiation on the moon and conversion to RF or laser beams for power transmission to earth receivers for rectification. The subsystems are similar to those proposed for satellite solar power systems but there are significant differences for the transmitting apertures and receiver systems (rectennas). The latter are designed to operate over a wide angular range of beam directions (up to 120°).
Two methods of single axis tracking have been identified [2]; these use either: 1) stationary reflector elements, or 2) modular tracking units. Both methods use cylindric optics to concentrate the power beams and their properties are discussed.

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