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Proceedings Paper

Polarisation-multiplexed and phase-stepped fibre optic shearography using laser diode wavelength tuning
Author(s): Roger M. Groves
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Paper Abstract

A shearography system, that measures two displacement derivative components, using polarisation switching is described. This is achieved using wavelength tuning and highly birefringent optical fibre. Interferometer pathlength imbalance with wavelength tuning provides the phase-stepping.

Paper Details

Date Published: 9 November 2000
PDF: 4 pages
Proc. SPIE 4185, Fourteenth International Conference on Optical Fiber Sensors, 41852O (9 November 2000); doi: 10.1117/12.2302239
Show Author Affiliations
Roger M. Groves, Cranfield Univ. (United Kingdom)


Published in SPIE Proceedings Vol. 4185:
Fourteenth International Conference on Optical Fiber Sensors
A. G. Mignani; H. C. Lefèvre, Editor(s)

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