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Proceedings Paper

Variation Of Coupling Ratio In Graded-Index Couplers As A Function Of Physical Characteristics Of Fibre
Author(s): J M P Rodrigues; T S.M Maclean; B K Gazey; J F Miller.
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Paper Abstract

Graded-index multimode fibre couplers have been fabricated using the fused biconical-taper technique. The optical characteristics-coupling ratio, excess insertion loss and isolation-of the fabricated couplers were measured and plotted versus the measured fused length and the diameter of the waist of the coupler, d. One important finding was that for d >10µm the coupling ratio is essentially sensitive to the physical parameter of waist diame"er only. This can simplify the fabrication procedure.

Paper Details

Date Published: 15 August 1984
PDF: 7 pages
Proc. SPIE 0468, Fibre Optics '84, (15 August 1984); doi: 10.1117/12.941639
Show Author Affiliations
J M P Rodrigues, The University of Birmingham (United Kingdom)
T S.M Maclean, The University of Birmingham (United Kingdom)
B K Gazey, The University of Birmingham (United Kingdom)
J F Miller., The University of Birmingham (United Kingdom)


Published in SPIE Proceedings Vol. 0468:
Fibre Optics '84

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