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Hamamatsu Corp. - Earth Innovations LB 2/24

Flexible and Freestanding Photonic Crystals

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Holographic recording technique could result in 3-D sensors that do not require extra support.

Hank Hogan

Researchers from Università Politecnica delle Marche in Ancona, Italy, have created photonic structures in freestanding polymer films. The process of fabricating the films is relatively simple, and the resulting micron-resolution structures are uniform over large areas. Scanning electron microscope images show flexible photonic crystals that were created by holographic recording in a photosensitive material. A direct (top) and an inverse (bottom) triangular lattice are depicted. Superimposed in the upper-right corner of each image are the simulated interference intensity patterns of the...Read full article

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    Published: November 2007
    Glossary
    photonics
    The technology of generating and harnessing light and other forms of radiant energy whose quantum unit is the photon. The science includes light emission, transmission, deflection, amplification and detection by optical components and instruments, lasers and other light sources, fiber optics, electro-optical instrumentation, related hardware and electronics, and sophisticated systems. The range of applications of photonics extends from energy generation to detection to communications and...
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