Optical coupler for connecting a light source to an optical tran

Details Optical coupler for connecting a light source to an optical tran Optical coupler for connecting a light source to an optical tran

1978-12-28

1981-03-24

Corbin, John K.

350 9618, 350 9620, 350416, 350418, G02B 514

Patent

active

042576725

ABSTRACT:
An optical coupler for optically coupling an LED to an optical fiber includes a transparent spherical shell surrounding a transparent spherical core. The index of refraction of the core is greater than of the spherical shell. A surface is formed on the opposite side of the coupler for coupling the optical fiber to the optical coupler, and a cylinder is used to mount the optical coupler at a predetermined distance from the LED in an orientation maximizing the amount of light entering the optical fiber.

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patent: 4156206 (1979-05-01), Comerford et al.
Abram et al., "The Coupling of Light-Emitting Diodes to Optical Fibers Using . . . ," J. Appl. Phys., (46/8), Aug. 1975, pp. 3468-3474.
Cunningham, "Collimated Light Source with Laser Diode and . . . Lens," IBM Tech. Discl. Bull., (19/2), Jul. 1976, pp. 625-626.
Khoe et al., "A Luneberg Lens for the Efficient Coupling of a Laser Diode . . . ," 3rd Eur. Conf. Opt. Commun., Sep. 1977, pp. 176-178.

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