Two-way optical communication apparatus

Details Two-way optical communication apparatus Two-way optical communication apparatus

1994-10-21

1996-06-25

Pascal, Leslie

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

359156, 359159, H04B 1000

Patent

active

055305776

ABSTRACT:
An optical communication apparatus that includes a polarization beam splitter which synthesizes an optical axis of a light emitting optical system having a light emission element for emitting a linearly polarized light and an optical axis of a light receiving optical axis to make the optical axis for reception coincide with the optical axis for transmission. A phase plate is provided in such a manner as to be rotatable by a predetermined angle about the common axis. An optical axis of the phase plate of each of the associated communication apparatuses is set at an adequate angle before installation thereof.

REFERENCES:
patent: 4199226 (1980-04-01), Weber et al.
patent: 4888816 (1989-12-01), Sica, Jr.
patent: 5113403 (1992-05-01), Block et al.

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