Optical fiber coupler for interfacing with light sources and det

Details Optical fiber coupler for interfacing with light sources and det Optical fiber coupler for interfacing with light sources and det

1977-11-25

1980-05-06

Levy, Stewart J.

Radiant energy

Ionic separation or analysis

Static field-type ion path-bending selecting means

250227, 250552, G02B 514

Patent

active

042014433

ABSTRACT:
An optical fiber coupler for interfacing with a light active element and means for assembling and connecting said coupler to said element. The coupler comprises a guide assembly having at least three glass rods disposed in a side-by-side array, parallel to one another and with longitudinal peripheral portions of adjacent rods in contact and connected to each other to form a cusp-shaped interstitial channel therebetween. The assembly includes a first and second flat end. The channel at the second end is flared to facilitate the ingress of an optical fiber in said channel. A segment of optical fiber having a first and second flat end is disposed and fused within the channel with its second end located at an intermediate portion along the channel with its first end being co-planar with the first end of the guide assembly. The light active element, such as a light emitting diode, is secured to the first end of the optic fiber section and the co-planar end of the guide assembly to form a good light transmissive interface.

REFERENCES:
patent: 3628036 (1971-12-01), Humphrey
patent: 3936143 (1976-02-01), Sato
patent: 3948582 (1976-04-01), Martin
patent: 3950075 (1976-04-01), Cook et al.
patent: 4047796 (1977-09-01), Kao et al.
patent: 4087155 (1978-05-01), Deacon
patent: 4093341 (1978-06-01), Crick
patent: 4101197 (1978-07-01), Kent et al.

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