Abstract
Accurate surface deformation measurements are often required in industrial manufacturing processes to ensure the quality of products and for monitoring the structural health of components subjected to mechanical loads. Surface deformation can be measured at discrete points on a specimen by using contacting instruments such as dial gauges, styluses, or strain gauges. Additionally, surface deformation caused by mechanical actuation can be inferred using potentiometers or Linear Variable Displacement Transformers (LVDTs) incorporated into the actuation mechanism. However, there are circumstances which require non-contacting measurement of surface deformation over large areas, with high spatial resolution. For these types of applications, the capabilities provided by optical surface deformation measurement techniques far surpass those of any electromechanical transducer.
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Fleming, G.A. (2003). Surface Deformation Measurements. In: Mercer, C.R. (eds) Optical Metrology for Fluids, Combustion and Solids. Springer, Boston, MA. https://doi.org/10.1007/978-1-4757-3777-6_13
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DOI: https://doi.org/10.1007/978-1-4757-3777-6_13
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