Gearbox research. Technician testing an engine gearbox (green) using holographic interferometry as part of a development programme. This non-destructi


Gearbox research. Technician testing an engine gearbox (green) using holographic interferometry as part of a development programme. This non-destructive test shows the change in shape of the gearbox casing during operation. A laser beam is shone through a reference hologram of the gearbox and onto the gearbox itself. The areas of derformation appear as a series of dark lines (an interference pattern). The pattern can be recorded and analysed to determine the amount of deformation. Photographed in Germany.


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Photo credit: © ROSENFELD IMAGES LTD/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: -destructive, car, development, gearbox, holographic, industry, interfer, interference, interferometry, laser, pattern, test, transport