Applications Of All-Fiber Technology To Sensors

G. A. Pavlath; E. L. Moore; M. C. Suman

doi:10.1117/12.935798

19 September 1983 Applications Of All-Fiber Technology To Sensors

G. A. Pavlath, E. L. Moore, M. C. Suman

Proceedings Volume 0412, Fiber Optic and Laser Sensors I; (1983) https://doi.org/10.1117/12.935798
Event: 1983 Technical Symposium East, 1983, Arlington, United States

Abstract

Fiber optic sensors are being developed to measure a large variety of physical quantities such as temperature, pressure, rotation, voltage, current, strain, etc. These sensors are compact, lightweight, free from RFI & EMI, and hold the potential for low cost with performance comparable or better than their present day counterpart. Until recently most fiber optic sensors could only be built with both fiber and bulk optic components. With the advent of all-fiber technology it is possible to build sensors solely with fiber optic components greatly simplifying the fabrication of these sensors. The principles and techniques of all-fiber technology are reviewed along with the mechanization and principles of operation of various fiber optic components. The applications of all-fiber technology will be examined. A new class of sensors unique to all-fiber technology will be presented. This class of sensor employs evanescent field interactions to change the amplitude, phase, or polarization of the light propagating in the fiber. The operating principles and several examples of evanescent field sensors will be discussed.

Citation Download Citation

G. A. Pavlath, E. L. Moore, and M. C. Suman "Applications Of All-Fiber Technology To Sensors", Proc. SPIE 0412, Fiber Optic and Laser Sensors I, (19 September 1983); https://doi.org/10.1117/12.935798

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