MULTI-WAVELENGTH SELF-MIXING INTERFEROMETRY

An eyebox region is illuminated with first coherent light and second coherent light having a different wavelength than the first coherent light. A first self-mixed interferometer (SMI) signal is generated in response to first feedback light received back from the eyebox region. A second SMI signal i...

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Bibliographische Detailangaben
Hauptverfasser:	DIAZ, Liliana Ruiz, CAVIN, Robert Dale, SCHELLER, Maik Andre, OUDERKIRK, Andrew John, GILLES, Marc Aurèle
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PHYSICS
Online-Zugang:	Volltext bestellen
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Beschreibung
Zusammenfassung:	An eyebox region is illuminated with first coherent light and second coherent light having a different wavelength than the first coherent light. A first self-mixed interferometer (SMI) signal is generated in response to first feedback light received back from the eyebox region. A second SMI signal is generated in response to second feedback light received back from the eyebox region. Eye data is generated in response to at least the first SMI signal and the second SMI signal.