New infrared photonic lattice coating

Christoph F Schmidt,William C Sweatt,I Elkady,F B Mccormick,D W Peters,Stanley H Kravitz,Jason C Verley,U Krishnamoorthy,David Ingersoll,W G Yelton, G Subramamia,J D Williams

PROCEEDINGS OF THE SOCIETY OF PHOTO-OPTICAL INSTRUMENTATION ENGINEERS (SPIE)（2006）

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Abstract

We have designed, fabricated, and tested large sheets of photonic bandgap (PBG) material that have a "cubic array of cubes" structure. Structures with bandgaps in two wavebands have been fabricated: the thermal IR (8-12 mu m) and the visible/near IR (0.6-2.5 mu m). A thermal-IR PBG can modify the emission properties of structures for temperature control. Visible/near-IR PBGs can be used in photonic circuits and can improve illumination efficiency.

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Key words

photonic bandgap structure,mid-infrared,fabrication,contact lithography,nano-imprinting

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