Near real-time operation of a centimeter-scale distributed fiber sensing system

Brian K. Garside

doi:10.1117/12.51089

1 January 1991 Near real-time operation of a centimeter-scale distributed fiber sensing system

Brian K. Garside

Author Affiliations +

Proceedings Volume 1332, Optical Testing and Metrology III: Recent Advances in Industrial Optical Inspection; (1991) https://doi.org/10.1117/12.51089
Event: 34th Annual International Technical Symposium on Optical and Optoelectronic Applied Science and Engineering, 1990, San Diego, CA, United States

Abstract

In order to achieve centimeter scale spatial resolution along an optic fiber, it is necessary to employ optical sources and detectors with responses on a 100 ps time scale. In this paper, the results are described of an investigation into the limiting capability in terms of spatial resolution, return signal strength, and data acquisition time which can be achieved using a photon counting method of detecting the backscatter signals from a distributed sensor based on standard telecommunications fiber. Particular attention is given to the possibility of obtaining 'real time' update rate on the sensor output while maintaining the centimeter-scale resolution capability.

Citation Download Citation

Brian K. Garside "Near real-time operation of a centimeter-scale distributed fiber sensing system", Proc. SPIE 1332, Optical Testing and Metrology III: Recent Advances in Industrial Optical Inspection, (1 January 1991); https://doi.org/10.1117/12.51089

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