A Brillouin Optical time-domain analysis (BOTDA) sensor has been used to perform distributed temperature measurements along a fiber optic cable with an electrically conductive armoring heated via electrical resistance. The thermal response of a fibre-optic probe put in contact with yellow tuff samples at different moisture content is measured by the BOTDA sensor, paving the way to distributed measurements of moisture content in masonry materials.
Moisture measurement in masonry materials using active distributed optical fiber sensors
Minardo, Aldo
;Mollo, Luigi;Greco, Roberto;Zeni, Luigi
2018
Abstract
A Brillouin Optical time-domain analysis (BOTDA) sensor has been used to perform distributed temperature measurements along a fiber optic cable with an electrically conductive armoring heated via electrical resistance. The thermal response of a fibre-optic probe put in contact with yellow tuff samples at different moisture content is measured by the BOTDA sensor, paving the way to distributed measurements of moisture content in masonry materials.File in questo prodotto:
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