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Please use this identifier to cite or link to this item:
http://hdl.handle.net/10016/5788
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| Title: | Time Division Multiplexing Fibre-Optic Liquid Level Sensors using a Nematic 1x2 Optical Switch |
| Author(s): | Vázquez, Carmen
Vargas, Salvador E.
Santos, J.I.
Sánchez-Pena, José Manuel
Montalvo, Julio |
| Publisher: | International Cooperative of Plastic Optical Fibers (ICPOF) |
| Issued date: | Sep-2004 |
| Citation: | Proceedings: POF'04: 13th International Plastic Optical Fibres Conference 2004, p. 351-356 |
| URI: | http://hdl.handle.net/10016/5788 |
| ISBN: | 3-905084-70-8 |
| Description: | 6 pages, 6 figures.-- Contributed to: 13th International Plastic Optical Fibres Conference 2004 (POF'04, Nürnberg, Germany, Sep 27-30, 2004). |
| Abstract: | 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. |
| Sponsor: | This work has been partially supported by CICYT (TIC2003-03783). |
| Review: | PeerReviewed |
| Keywords: | Polymer Optical Fibres (POF)
Sensor networks
Nematic Liquid Crystals (NLC)
Optical switches
Micro Electro-Mechanical Systems (MEMS)
Liquid level sensors |
| Appears in Collections: | DTE - GDAF - Comunicaciones en Congresos y otros eventos
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