BT Technology Journal - Archive

Commemorating 25 years of publication

A radically new approach to the installation of optical fibre using the viscous flow of air

S A Cassidy and M H Reeve

A method of installing optical fibres in pre-installed cable bores using compressed air has been developed. The method results in very low fibre strains and avoids the need for many fibre joints. Analysis of the forces involved shows that installations of 600 m in 6 mm bores are achievable using the compressors already available on UK cabling vehicles.

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