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Imaging systems targeting macroscopic objects tend to have poor depth selectivity. In this Letter, we present a 3D imaging system featuring a depth resolution of 200µm, depth scanning range of more than 1m, and view field larger than 70×70mm2. For depth selectivity, we set up an off-axis digital holographic imaging system using a light source with a coherence length of 400µm. A prism pair was installed...
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