METHOD AND APPARATUS FOR FABRICATION OF LARGE THREE-DIMENSIONAL SINGLE COLLOIDAL CRYSTALS FOR BRAGG DIFFRACTION OF INFRARED LIGHT

METHOD AND APPARATUS FOR FABRICATION OF LARGE THREE-DIMENSIONAL SINGLE COLLOIDAL CRYSTALS FOR BRAGG DIFFRACTION OF INFRARED LIGHT

A three-dimensional Bragg grating may include a single colloidal crystal that includes a plurality of repeated layers of material having different refractive indexes. A sample cell for producing a volume Bragg grating may include an internal shape that forms at least one capillary cell having a flat...

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Bibliographische Detailangaben
Hauptverfasser: LEI, Qian, HOLLINGSWORTH, Andrew D, MEYER, William V, MURPHY, Mary, KHUSID, Boris, CHAIKIN, Paul
Format: Patent
Sprache:eng
Schlagworte:
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
PHYSICS
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Zusammenfassung:A three-dimensional Bragg grating may include a single colloidal crystal that includes a plurality of repeated layers of material having different refractive indexes. A sample cell for producing a volume Bragg grating may include an internal shape that forms at least one capillary cell having a flat surface and rounded edges. A method of producing a three-dimensional Bragg grating may include: suspending insoluble particles in a host fluid to form a suspension; and exposing the suspension to a sustained microgravity environment.