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Mathieu's paper in JOSA BMueller micropolarimeter for color imaging of aluminum metasurfaces


Many anticounterfeiting tags rely on images intricate in different color and/or different polarization states to create optical effects invisible in conventional observation conditions. We build here an imaging micropolarimeter based on the dual-rotating compensator system and using the color capabilities of cameras to yield the full polarimetric information for any color coordinates in one acquisition step. After correction for the camera response, the full color image reconstructed from the polarimetric response is validated by comparison with images obtained in an optical microscope fitted with polarizers.


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