Abstract
Abstract Micro-CGS, a full-field, real-time, micro-interferometric technique for quantitative imaging is introduced. Micro-CGS extends the capabilities of the large-scale shearing interferometric technique of Coherent Gradient Sensing (CGS) in the micro-scale. The experimental setup is detailed and resulting interferograms are shown. A digital image processing program is created to compute specimen curvature from recorded fringe patterns. The experimental method is validated by the successful measurement of the curvature of 30 μm glass microspheres.
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