Holographic optical devices

Details Holographic optical devices Holographic optical devices

G - Physics

02

B

G02B 5/32 (2006.01)

Patent

CA 2326767

The invention provides a holographic optical device, including a light- transmissive substrate (6); a first holographic optical element (H1) carried by the substrate; at least one second holographic optical element (H2) carried by the substrate laterally of the first holographic optical element, and at least one third holographic optical element (H3) carried by the substrate laterally displaced from the first and second holographic optical elements; wherein the center of at least one of the first, second or third holographic optical elements is located outside a single, straight line.

L'invention concerne un dispositif optique holographique comprenant un substrat (6) transmettant la lumière, ce substrat portant un premier élément (H1) optique holographique, au moins un second élément (H2) optique holographique aligné latéralement au premier élément holographique, et au moins un troisième élément (H3) optique holographique déplacé latéralement par rapport au premier et au second élément optique. Le centre d'au moins un de ces trois éléments optiques holographiques est placé à l'extérieur d'une ligne droite unique.

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