FIELD: physics.
SUBSTANCE: proposed signaliser comprises optical radiation source and receiver arranged measurement data processing unit, and reflective waveguide made from fibre waveguide. Note here that waveguide inlet face is optically communicated with radiation source while outlet face, in contact with controlled medium, and fibre waveguide side surface make sensitive element of signaliser. Note also that waveguide communication with radiation receiver represents connection of waveguide curved section with radiation receiver.
EFFECT: higher validity and resolution, simple manufacture and operation.
5 dwg
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