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Flexible photonic metastructures for tunable coloration

Open access
Zhu, Li, Kapraun, Jonas, Ferrara, James, Chang-Hasnain, Connie J.·2015·Optica

Abstract

The ability to actively control the perceived color of objects is highly desirable for a variety of applications, such as camouflage, sensing, and displays. We report a completely new flexible, high-contrast metastructure (HCM) whose color can be varied by stretching the membrane. This is accomplished by annihilating the 0th order diffraction while enhancing the -1st order, a new phenomenon made possible with a large index contrast. The color perception of the HCM can thus be changed by varying its period. The structure is fabricated using silicon metastructures embedded in a flexible membrane. We experimentally demonstrate brilliant colors and change the color from green to orange (39 nm wavelength change) with a stretch of 25 nm period change. The same effect can be used for steering a laser beam, with more than 36 resolvable beam spots being demonstrated.

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Metadata

Authors
Zhu, L., Kapraun, J., Ferrara, J., & Chang-Hasnain, C. J.
Venue
Optica
Published
2015-03-12
Volume
2
Issue
3
Pages
255
ISSN
2334-2536 (ISSN-L)
OpenAlex
W1973342238
Cited by
162
References
0
FWCI
7.70
Type
journal article
Language
en
Open access
gold

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CoChat. (2026). Citation check: Flexible photonic metastructures for tunable coloration. https://app.cochat.ai/papers/10.1364/optica.2.000255
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Zhu, L., Kapraun, J., Ferrara, J., & Chang-Hasnain, C. J. (2015). Flexible photonic metastructures for tunable coloration. Optica. https://doi.org/10.1364/optica.2.000255

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