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Deposition Sciences Inc. - Difficult Coatings - LB - 8/23

Honeycomb Steers Light around Sharp Curves

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Microscale plastic honeycomb structures can make light beams turn on a dime, a development that could allow more optical relays to be packed onto photonic integrated chips. These spatially variant photonic crystals (SVPCs) were designed by researchers at the University of Texas at El Paso, then fabricated and tested at the University of Central Florida. Using multiphoton direct laser writing, the Central Florida team created the structures out of the low-refractive-index photopolymer SU-8. The red line depicts a light beam traveling and bending through the spatially variant...Read full article

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    Published: March 2015
    Glossary
    polarization
    Polarization refers to the orientation of oscillations in a transverse wave, such as light waves, radio waves, or other electromagnetic waves. In simpler terms, it describes the direction in which the electric field vector of a wave vibrates. Understanding polarization is important in various fields, including optics, telecommunications, and physics. Key points about polarization: Transverse waves: Polarization is a concept associated with transverse waves, where the oscillations occur...
    diffraction
    As a wavefront of light passes by an opaque edge or through an opening, secondary weaker wavefronts are generated, apparently originating at that edge. These secondary wavefronts will interfere with the primary wavefront as well as with each other to form various diffraction patterns.
    refraction
    The bending of oblique incident rays as they pass from a medium having one refractive index into a medium with a different refractive index.
    Research & TechnologyAmericasFloridaTexasUniversity of Central FloridaUniversity of Texas at El PasoOpticsphotonic integrated chipsPICsspatially variant photonic crystalsSVPCsSU-8MaterialspolarizationdiffractionJavier PazosrefractionRaymond RumpfStephen KueblerTech Pulse

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