FBG sensors for deformation monitoring of a tracking particle detector: preliminary results

This paper reports on feasibility analysis of the use of FBGs for the deformation monitoring of a micromegas (MM) tracking particle detector to be realized at CERN. One mandatory issue for the MM detector is a precise monitoring of its deformation. To this aim, in this work FBG strain sensors are proposed and experimentally investigated to monitor bending and deformation on a miniaturized MM support panel. The obtained results confirm that FBG sensors, that tolerate high radiation, are able to monitor deformation and curvature in accord with high energy physics requirements.