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Proceedings Paper

Principles and applications of reflective interferometric fiber optic senors
Author(s): Pieter L. Swart; Stephanus J. Spammer; Anatoli A. Chtcherbakov
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Paper Abstract

We review the principle of operation of several reflective fiber optic interferometers and combinations of interferometers that produce an output signal proportional to the derivative, or the product of the position and the derivative of an external phase perturbing signal. The unbalanced Mach-Zehnder or modified Sagnac interferometer, the reflective-ring and the differentiating-ring interferometers, and two other sets of interferometer combinations are discussed. The use of these interferometers is illustrated as sensors for the waveforms of multi-phase alternating currents, an as impact or disturbance position sensors.

Paper Details

Date Published: 13 August 1998
PDF: 14 pages
Proc. SPIE 3555, Optical and Fiber Optic Sensor Systems, (13 August 1998); doi: 10.1117/12.318203
Show Author Affiliations
Pieter L. Swart, Rand Afrikaans Univ. (South Africa)
Stephanus J. Spammer, Rand Afrikaans Univ. (United States)
Anatoli A. Chtcherbakov, Rand Afrikaans Univ. (South Africa)

Published in SPIE Proceedings Vol. 3555:
Optical and Fiber Optic Sensor Systems
Shanglian Huang; Kim D. Bennett; David A. Jackson, Editor(s)

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