Mueller 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 capabi...

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Bibliographic Details
Published in:Journal of the Optical Society of America. B, Optical physics Optical physics, 2021-04, Vol.38 (4), p.1184
Main Authors: Nicolas, M., Soumahoro, I., Zhang, L., Guida, G., de Marcillac, W. Daney, Demaille, D., Schwob, C., Boujday, S., Gallas, B.
Format: Article
Language:English
Subjects:
Engineering Sciences
Optics
Photonic
Physics
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Summary: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.
ISSN:0740-3224
1520-8540
DOI:10.1364/JOSAB.416833