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10 March 2020 Highly chromatic phase mask using reflective nanoresonators (Conference Presentation)
Micke Boher, Julien Jaeck, Patrick Bouchon, Jérôme Primot, Riad Haïdar
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Proceedings Volume 11290, High Contrast Metastructures IX; 112900X (2020) https://doi.org/10.1117/12.2546239
Event: SPIE OPTO, 2020, San Francisco, California, United States
Abstract
We use the chromaticism induced by the resonance of Metal-Insulator-Metal structure and the interaction surface which is greater than the geometrical surface of the nano-rod to combine locally different dimensions of nano-antennas in order to create two optical functions on the same surface. The purpose is to create a phase mask that spread a point source reflected by our system so that at 3 μm this point is horizontally duplicated and vertically at 5 μm. Thus our device changes color information into shape information which permitted another way to differentiate infrared signature of objects.
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Micke Boher, Julien Jaeck, Patrick Bouchon, Jérôme Primot, and Riad Haïdar "Highly chromatic phase mask using reflective nanoresonators (Conference Presentation)", Proc. SPIE 11290, High Contrast Metastructures IX, 112900X (10 March 2020); https://doi.org/10.1117/12.2546239
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KEYWORDS
Antennas
Colorimetry
Reflectivity
Electromagnetism
Geometrical optics
Infrared signatures
Metals
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