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Proceedings Paper

Photoacoustic Oscillator Sensors
Author(s): R. M. Langdon; D. L. Dowe
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Paper Abstract

The operation of optically excited micro-resonator sensors is described in which internal feedback provided by an optical interferometer induces self-oscillation. Unmodulated light passes to the sensor through an optical fibre to maintain the oscillation, and modulated light is returned down the fibre with a frequency characteristic of the stress applied to the resonator.

Paper Details

Date Published: 14 October 1987
PDF: 8 pages
Proc. SPIE 0798, Fiber Optic Sensors II, (14 October 1987); doi: 10.1117/12.941091
Show Author Affiliations
R. M. Langdon, GEC Research Limited (United Kingdom)
D. L. Dowe, GEC Research Limited (United Kingdom)


Published in SPIE Proceedings Vol. 0798:
Fiber Optic Sensors II
Anna Maria Verga Scheggi, Editor(s)

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