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Fibre-optic microphone for optical communication systems

88 Citations•1996•
Abdelrafik Malki, Rachid Gafsi, Pierre Lecoy
Measurement Science and Technology

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Abstract

We have studied and tested a digital telephone line compatible with ISDN via optical fibre. We examined the transmission of interface S relative to network termination (NT). The main part of this work concerns an optical fibre microphone that modulates the light signal directly by acoustic vibrations, without any electric intermediate.