Stressed core optical fiber and method

Details Stressed core optical fiber and method Stressed core optical fiber and method

1984-10-01

1987-07-21

Sikes, William L.

350 9615, 350 9629, G02B 616

Patent

active

046813993

ABSTRACT:
A stressed-core rotationally non-symmetric optical fiber includes a longitudinally extending substrate fabricated from an optical energy transmitting material including an embedded tensional stress member. The substrate is provided with stress-altering discontinuities, such as longitudinally extending slots and notches, that are effective to resolve the tensional stress so as to place a longitudinally extending zone within the substrate adjacent the exterior surface thereof under a compressive stress sufficient to raise the index of refraction of the zone to support guided light transmission. In a second embodiment, a longitudinally extending substrate is provided with a notch in which a light energy transmitting core is maintained in axial compression to provide a stress-induced increase in the index of refraction thereof sufficient to support guided light transmission.

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