25 April 1990 Applications Of A Fibre Optic TV Holography System To The Study Of Large Automotive Structures.
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Abstract
Mono-mode fibre optic components, including directional couplers and piezo-electric phase control elements, have been used to construct a TV holography system. The instrument has advantages of simplicity and ruggedness of construction and, with a 40m fibre optic link to a 600m' argon ion laser, has proved to be an ideal tool for studying the structural behaviour of automotive assemblies. The TV holography system is described and two examples presented of its use: analysis of the deformation of a petrol engine cylinder bore due to head bolt forces, and the vibration study of a vehicle bodyshell subjected to wheel induced inputs. Limitations in the application of the technique are identified and future work to address these shortcomings outlined.
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Jeremy Davies, Clive Buckberry, "Applications Of A Fibre Optic TV Holography System To The Study Of Large Automotive Structures.", Proc. SPIE 1162, Laser Interferometry: Quantitative Analysis of Interferograms: Third in a Series, (25 April 1990); doi: 10.1117/12.962754; https://doi.org/10.1117/12.962754
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