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Multiplexing of interferometric sensors using phase-generated carrier techniques

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4 Author(s)
Dandridge, A. ; Naval Research Laboratory, Washington, USA ; Tveten, A.B. ; Kersey, A.D. ; Yurek, A.M.

The multiplexing of four interferometric sensor outputs on a single optical fibre using a phase-generated carrier technique is demonstrated. Low crosstalk ( ¿ 60 dB) and high performance (minimum detectable phase shifts of 2¿18 ¿rad) were achieved with this configuration. This technique is expandable to large numbers of sensors.

Published in:

Electronics Letters  (Volume:23 ,  Issue: 13 )