1 September 1990 Electronic speckle pattern surface contouring using optical fibres and wavelength modulation of laser diodes
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Proceedings Volume 1314, Fibre Optics '90; (1990) https://doi.org/10.1117/12.21989
Event: Fibre Optics '90, 1990, London, United Kingdom
Abstract
The incorporation of laser diodes and monomode fibre optics into an Electronic Speckle Pattern Interferometer (ESPI) has led to the development of a novel holographic surface contouring system. Height contours are obtained by switching between two laser wavelengths. Contour intervals from 0.5-5 mm have been generated by modulating the injection current of a single laser diode source and are demonstrated on an automotive disc brake hub.
© (1990) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Ralph P. Tatam, Ralph P. Tatam, Jeremy C. Davies, Jeremy C. Davies, Clive H. Buckberry, Clive H. Buckberry, Julian D. C. Jones, Julian D. C. Jones, "Electronic speckle pattern surface contouring using optical fibres and wavelength modulation of laser diodes", Proc. SPIE 1314, Fibre Optics '90, (1 September 1990); doi: 10.1117/12.21989; https://doi.org/10.1117/12.21989
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