Bidirectional free-space optical bus for electronics systems

Details Bidirectional free-space optical bus for electronics systems Bidirectional free-space optical bus for electronics systems

1990-10-15

1992-05-12

Epps, Georgia Y.

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

372 29, 372 32, 359154, 359164, 359181, 359109, 359122, H01S 313

Patent

active

051134039

ABSTRACT:
An electronics system communicates among its subsystems by a free-space optical bus. The bus transmits signals bidirectionally along a single linear axis as polarized beams of light. Each subsystem has a bus interface unit for generating outgoing beams along both axial directions, and for receiving incoming beams from both axial directions. The interface units use laser generators, photodetectors, and amplitude beam splitters.

REFERENCES:
patent: 3842367 (1974-10-01), Schlossberg
patent: 4063083 (1977-12-01), Cathey et al.
patent: 4199226 (1980-04-01), Weber et al.
patent: 4270862 (1981-06-01), Hewitt
patent: 4682311 (1987-07-01), Matsubayashi et al.
patent: 4850044 (1989-07-01), Block et al.
patent: 4941205 (1990-07-01), Horst et al.

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