Acoustic Antenna using only Optical Technology

The ATOS project aims to develop an underwater acoustic antenna for maritime surveillance using only optical technology.

Projet en cours

Project leader Thales Underwater Systems
Industrials partners CGG Veritas, Quantel, Rakon France, Thales Research & Technology
Research partners Perfos, Ifremer, ENSSAT, Université de Rennes 1 (FOTON, EVC)
Budget 4 300 K€
Cofinanceur publics FUI (French Single Interministerial Found) and Regional authorities
Year of labeling 2008
Year of co-financing 2009


This development is a technological breakthrough for passive underwater acoustic monitoring systems. This breakthrough is founded on the use of optical sensors based on fibre laser optical cavities which are multiplexable and easily interrogated from great distances via a single fibre optic cable without the need for on-board electrical power. This self-supporting system can also be used in conjunction with more complete maritime protection systems such as those developed within the framework of Pôle Mer Méditerranée.