Full optical equalizer for transmission of signals via...

Details Full optical equalizer for transmission of signals via... Full optical equalizer for transmission of signals via...

G - Physics

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88/97.5

G02B 3/08 (2006.01) G02B 3/14 (2006.01) G02B 5/32 (2006.01) G02B 6/14 (2006.01) H04B 10/18 (2006.01)

Patent

CA 1072790

ABSTRACT OF THE DISCLOSURE An optical equalizer is provided which connects two segments of a multimode optical waveguide in such a manner that the path length of all rays passing through the guide can be equalized regardless of their guidance angle. The equalizer comprises two identical lenses, or equivalent structure, the lenses having a variable focal length which varies according to the distance r from the axis of the system according to the relation Image where s is the distance between each lens, and the adjacent waveguide segment, d is the separation of the lenses and ?M is the maximum guidance angle of the waveguide segments.

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