Fiber-optic rotary coupler with lossy microbends

Details Fiber-optic rotary coupler with lossy microbends Fiber-optic rotary coupler with lossy microbends

1986-02-19

1988-06-07

Sikes, William L.

Radiant energy

Ionic separation or analysis

Static field-type ion path-bending selecting means

350 9615, 350 9616, 350 9629, 350 9630, 350 9631, 250227, 250236, G02B 636, H01J 516

Patent

active

047492490

ABSTRACT:
A novel fiber optic rotary coupler for coupling an optical signal between noncontacting opposing surfaces of moving first and second members, includes an optical fiber with the optical signal propagating therein disposed on a microbending means. The microbending means is formed on the first member opposing surface and induces a plurality of lossy microbends in the optical fiber. A portion of the optical signal laterally propagates therethrough across to the second member's opposing surface to a detector positioned therein.

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patent: 4557550 (1985-12-01), Beals et al.
patent: 4557552 (1985-12-01), Newton et al.
patent: 4645923 (1987-02-01), De Blok et al.
patent: 4672198 (1987-06-01), Presby
patent: 4705347 (1987-11-01), Shen et al.

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