Communication-Sensing System Using A Single Optical Fiber

Chung-yee Leung; Cheng-hao Huang; I-fan Chang

doi:10.1117/12.942522

23 March 1988 Communication-Sensing System Using A Single Optical Fiber

Chung-yee Leung, Cheng-hao Huang, I-fan Chang

Proceedings Volume 0838, Fiber Optic and Laser Sensors V; (1988) https://doi.org/10.1117/12.942522
Event: Cambridge Symposium on Fiber Optics and Integrated Optoelectronics, 1987, Cambridge, MA, United States

Abstract

A new technique to utilize a single optical fiber simultaneously for communication and sensing is proposed. The sensing channel's operation is based on the modulation of the interference pattern projected from the output end of a multimode optical fiber when the fiber is subjected to an external disturbance which changes its optical properties. It is demonstrated that the communication quality is not affected by the simultaneous operation of the sensing channel. Potential applications such as the protection of fiberoptic com-munication from information tapping, and the use of a data link simultaneously for intrusion detecting are also proposed.

Citation Download Citation

Chung-yee Leung, Cheng-hao Huang, and I-fan Chang "Communication-Sensing System Using A Single Optical Fiber", Proc. SPIE 0838, Fiber Optic and Laser Sensors V, (23 March 1988); https://doi.org/10.1117/12.942522

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