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Photonic Rubber Sheet Displays Tunable Structural Color

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Daniel S. Burgess

An elastic photonic crystal developed by scientists at the National Institute for Materials Science in Tsukuba, Japan, demonstrates a shift in its apparent color under an applied strain, suggesting its utility in strain imaging and mechanical sensors. In tests, the shift in the color peak was reversible over several deformation cycles, and the material did not exhibit signs of deterioration. The elastic photonic crystal exhibits structural coloration by Bragg diffraction. Under mechanical strain, its peak wavelength is blueshifted. The photonic crystal comprises 202-nm-diameter...Read full article

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    Published: January 2006
    Consumerelastic photonic crystalNational Institute for Materials ScienceResearch & TechnologySensors & Detectors

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