METASURFACE-MANIPULATED EMISSION FROM A PARTIALLY SPATIALLY COHERENT SOURCE

A system includes a source configured to emit partially spatially coherent light and a metasurface located proximate to a light emitting surface of the source, where the metasurface is configured to modify at least one property of the emitted light. Modifiable properties include phase, amplitude, di...

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Bibliographische Detailangaben
Hauptverfasser:	Tyagi, Anurag, Nguyen, Quang Minh Quyen, Malhotra, Tanya, Bonar, James Ronald, Liang, Kevin, Vamivakas, Anthony Nickolas
Format:	Patent
Sprache:	eng
Schlagworte:	DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING FREQUENCY-CHANGING NON-LINEAR OPTICS OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICAL LOGIC ELEMENTS OPTICS PHYSICS TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF
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Beschreibung
Zusammenfassung:	A system includes a source configured to emit partially spatially coherent light and a metasurface located proximate to a light emitting surface of the source, where the metasurface is configured to modify at least one property of the emitted light. Modifiable properties include phase, amplitude, directionality, far field profile, and polarization. The metasurface may be passive or active. An active metasurface may be controlled using an input such as applied voltage, temperature, and mechanical force. The system may be configured to provide coherent illumination.