Over the last few decades, the use of light to control and manipulate microscopic particles has become widespread. These methods are enabling new areas of research to flourish across the physical and biological sciences. This thesis describes investigations into both optical tra…
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The purpose of this study was to develop a computer assisted video extensometer to measure strain, primarily for transparent polymers such as PET. Two markers, which were attached to the specimen, were tracked by the video system. Different techniques were proposed to track thes…