Pulse propagation along glass fibres

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© The Institution of Electrical Engineers
Published 22/07/2012

Abstract

Mode-locked helium-neon lasers have been used to propagate pulses of ∼1 ns duration along multimode cladded glass fibres. Any pulse spreading due to dispersion in a 33 m length of fibre is less than 0.5 ns which is the limit of resolution of the measuring equipment. This result indicates that a pulse transmission rate of at least 33 MHz may be possible over a distance of 1 km.

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