Multiple channel rotary optical coupler

Details Multiple channel rotary optical coupler Multiple channel rotary optical coupler

1994-04-25

1995-06-13

Bovernick, Rodney B.

Optical waveguides

With optical coupler

Input/output coupler

385 35, G02B 622

Patent

active

054251176

ABSTRACT:
A rotating optical coupler for coupling optical signals from a first set of rotating optical conductors to a second set of stationary optical conductors includes a plurality of annular lenses, each of which is optically associated with one of the optical conductors of the first set. The lenses are nested one inside another to form a lens assembly oriented in a plane perpendicular to optical axes of the lenses. A rotating holder supports each of the conductors of the first set in parallel orientation with respect to an optical axis of a central one of the annular lenses with each conductor being positioned at a different radial distance from the optical axis of the central lens. Ends of the conductors are positioned to direct light rays at a corresponding one of the annular lenses. A second stationary holder supports ends of each of the conductors of the second set at a focal point of a respective one of the annular lenses. The second holder is coupled to the lens assembly for maintaining the conductors of the second set aligned with the lenses whereby light rays from each of the conductors of the first set are focused onto an end of a respective one of the conductors of the second set regardless of the rotated position of the first set of conductors.

REFERENCES:
patent: 4050784 (1977-09-01), Kobayashi
patent: 4290667 (1981-09-01), Chown
patent: 4447114 (1984-05-01), Koene
patent: 4750795 (1988-06-01), Blotelgaer
patent: 4768883 (1988-09-01), Bhagowa et al.

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