9 November 2000 Polarisation-multiplexed and phase-stepped fibre optic shearography using laser diode wavelength tuning
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Proceedings Volume 4185, Fourteenth International Conference on Optical Fiber Sensors; 41852O (2000) https://doi.org/10.1117/12.2302239
Event: Fourteenth International Conference on Optical Fiber Sensors, 2000, Venice, Italy
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.
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Roger M. Groves, Roger M. Groves, } "Polarisation-multiplexed and phase-stepped fibre optic shearography using laser diode wavelength tuning", Proc. SPIE 4185, Fourteenth International Conference on Optical Fiber Sensors, 41852O (9 November 2000); doi: 10.1117/12.2302239; https://doi.org/10.1117/12.2302239
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