Coherent optical beam combination using double-coated glass mirrors/mirror pairs
A multiplexing device using N-stages of double-coated planar glass mirrors or coated mirror pairs to coherently combine the output of 2N narrow-bandwidth, diffraction-limited, polarized, and phase-locked optical beams to produce a single diffraction-limited beam with a power close to 2N times that of a single beam. A multiplexer system is also disclosed to control the relative phases of the 2N beams used in conjunction with the multiplexing device.
The United States of America as represented by the Secretary of the Air Force
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Gerald T.
Moore