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HYBRID FIBER OPTIC N-PORT

IP.com Disclosure Number: IPCOM000025466D
Original Publication Date: 1985-Aug-31
Included in the Prior Art Database: 2004-Apr-04
Document File: 2 page(s) / 43K

Publishing Venue

Xerox Disclosure Journal

Abstract

A standard infrared light emitting diode (IR LED) generates radiant flux both in orthogonal and parallel direction with respect to the PN junction. 'Nith reference to the figure, assuming an LED die which has been bonded on a supporting substrate, at least one optical fiber can be coupled to each side of the die. For example, fibers or ports 1, 2, 3 are coupled to the sides of die 4. The number of fibers is given by the physical dimension of the die and the fiber.

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XEROX DISCLOSURE JOURNAL

HYBRID FIBER OPTIC N-PORT Josef Emanuel Jedlicka

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Volume 10 Number 4 July/August 1985

Proposed Classification
U.S. CI. 350/96 Int. CI. G02b 5/14

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HYBRID FIBER OPTIC N-PORT (Cont'd)

A standard infrared light emitting diode (IR LED) generates radiant flux both in orthogonal and parallel direction with respect to the PN junction.

'Nith reference to the figure, assuming an LED die which has been bonded on a supporting substrate, at least one optical fiber can be coupled to each side of the die. For example, fibers or ports 1, 2, 3 are coupled to the sides of die 4. The number of fibers is given by the physical dimension of the die and the fiber.

In case when the diameter of the fiber is larger than is the thickness of the die, the radiant flux is coupled both laterally and orthogonally by taking advantage of Lambertian profile of radiation. Instead of using one side of fiber coupling, a feedback control photodiode element can be applied.

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   XEROX DISCLOSURE JOURNAL Volume 10 Number 4 July/August 1985

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