Retroreflecting article including retarder

Retroreflecting articles are described. In particular, retroreflecting articles including a quarter wave retarder and a retroreflecting layer are described. The retarder is rotationally invariant and the retroreflecting layer is non-depolarizing. Such articles may be useful for sensor-detectable sig...

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Bibliographic Details
Main Authors Sharma, Neeraj, Wheatley, John A, Chen-Ho, Kui, McCoy, Michael A, Whiting, Tien Yi T. H, Epstein, Kenneth A, Du, Guanglei
Format Patent
LanguageEnglish
Published 12.04.2022
Subjects
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
PHYSICS
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Summary:Retroreflecting articles are described. In particular, retroreflecting articles including a quarter wave retarder and a retroreflecting layer are described. The retarder is rotationally invariant and the retroreflecting layer is non-depolarizing. Such articles may be useful for sensor-detectable signs, labels, and garments.
Bibliography:Application Number: US201716486313