WAVEGUIDES WITH LIGHT ABSORBING FILMS AND PROCESSES FOR FORMING THE SAME

An optical device comprising one or more optical waveguides (1310), wherein each optical waveguide comprises a first major surface (1311) and a second major surface (1312), a first edge surface (1313) and a second edge surface (1315), and one or more diffractive incoupling optical elements and one o...

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Bibliographische Detailangaben
1. Verfasser:	MELLI, Mauro
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BLASTING FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMSTHEREOF HEATING LIGHTING MECHANICAL ENGINEERING OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PHYSICS STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHERARTICLES, NOT OTHERWISE PROVIDED FOR WEAPONS
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Beschreibung
Zusammenfassung:	An optical device comprising one or more optical waveguides (1310), wherein each optical waveguide comprises a first major surface (1311) and a second major surface (1312), a first edge surface (1313) and a second edge surface (1315), and one or more diffractive incoupling optical elements and one or more diffractive outcoupling optical elements on at least one of the first and second major surfaces (1311, 1312) of the waveguide; a first light absorber (1320) directly on the first edge surface (1313), wherein the first light absorber (1320) comprises a vertically aligned nanotube array, wherein nanotubes of the nanotube arrays extend normal to the first edge on which the nanotubes are disposed; and optionally, a second light absorber (1320) directly on the second edge surface (1315), wherein the second light absorber (1320) comprises a vertically aligned nanotube array, wherein nanotubes of the nanotube arrays extend normal to the second edge on which the nanotubes are disposed.