Optical equalizer for signal-transmission system using multimode

Details Optical equalizer for signal-transmission system using multimode Optical equalizer for signal-transmission system using multimode

1977-02-18

1978-06-13

Corbin, John K.

350 9615, 350294, G02B 514

Patent

active

040945782

ABSTRACT:
Signals, especially short pulses, are transmitted by way of a series of light guides with internally reflecting boundaries (i.e. fibers or foils) angularly adjoining one another, each junction being encased in an external body having the same index of refraction as the light guides. Within the body the light rays exiting from one guide are intercepted by one or two mirrors reflecting them to the other guide, each mirror having a cross-section in the form of a segment of an ellipse whose foci are the center points of the two guide ends in a common axial plane of the guides. Each segment terminates in two points represented by the intersection of a respective guide axis with the path of a limiting ray from the other guide.

REFERENCES:
patent: 3090931 (1963-05-01), Marcatili
patent: 3759590 (1973-09-01), Arnaud
patent: 3832030 (1974-08-01), Gloge
patent: 3988614 (1976-10-01), Kapron et al.
A. D. Beach, "A Simple Devicer for Efficient Coupling . . . ." Journal of Physics E, vol. 8, No. 9, pp. 745-747, Sep. 1975.

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