Time Division Multiplexing Fibre-Optic Liquid Level Sensors using a Nematic 1x2 Optical Switch
Santos, José Luis
Sánchez Pena, José Manuel
MetadataShow full item record
In this paper, time division multiplexing with optical switches in a multi-sensor system for level measurements with POF is reported. POF are used in the sensor heads and as transmission media along the optical network. Optoelectronics and electronic circuits are developed to set up the laser output, the light reflected off the liquid surface and the control of the NLC switch. At least two sensor heads are placed in each tank and they are addressed by time division multiplexing using the same laser source. Level measurements on the system integrated by 2 sensor heads in a single tank and a 1x2 optical switch are reported.
Showing items related by title, author, creator and subject.
Vargas, Salvador; Sánchez Pena, José Manuel; Vázquez, Carmen; Aranda, Angel; Pérez, Isabel (09/04/2003)Optical fiber sensor networks are evolving rapidly. They are used because of the inert nature of optical fibers allowing no electromagnetic interference and safe applications in inflammable atmospheres; other relevant ...
Vargas, Salvador; montalvo, Julio; Gonzalo, Ana; Vázquez, Carmen (10/04/2004)A system for measuring liquid level in multiple tanks using optical fiber technology has been developed. Oil field service industry or any sector requiring liquid level measurements in flammable atmospheres can be benefited ...
Vargas, Salvador; Vázquez, Carmen; Gonzalo, Ana Belen; Sánchez Pena, José Manuel (06/09/2004)A system for measuring liquid level in multiple tanks using optical fiber technology has been developed. Oil field service industry or any sector requiring liquid level measurements in inflammable atmospheres can be benefited ...