Laser damage hardening of light modulator components for use with high optical fluence systems
AssigneeSeurat Technologies, Inc.
InventorsFrancis L. Leard, James A. DeMuth, Andrew J. Bayramian, Drew W. Kissinger, Ning Duanmu, Kourosh Kamshad
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Abstract
An apparatus with first and second transparent conductive oxide layers is described. A photoconductive layer can be positioned between the first and a second transparent conductive oxide layers. The photoconductive layer can be a crystalline layer that can include bismuth silicate or other suitable materials. An electro-optical layer is positioned in contact with the photoconductive layer. In some embodiments the photoconductive layer is positionable to receive a write beam that defines a two-dimensional spatial pattern.
Claims25
A light modulator, comprising:
- first and second transparent conductive oxide layers;
- a photoconductive layer positioned between the first and a second transparent conductive oxide layers, the photoconductive layer having main impurities of less than 5.0% and general impurities of less than 1.0%;
- and
- an electro-optical layer positioned in contact with the photoconductive layer.
A light modulator, comprising:
- first and second transparent conductive oxide layers;
- an electro-optical layer positioned between the first and second transparent conductive oxide layers;
- a photoconductive layer;
- and
- at least one of a thermally insulative layer and a thermally conductive layer positioned between the first and second transparent conductive oxide layers,
- wherein the electro-optical layer is laterally offset or rotated with respect to the photoconductive layer to permit external electrical contact with the first and second transparent conductive oxide layers.
A reflective light modulator, comprising:
- first and second transparent conductive oxide layers;
- a photoconductive layer positioned between the first and second transparent conductive oxide layers;
- an electro-optical layer;
- and
- a reflective layer between the photoconductive layer and the electro-optical,
- wherein the electro-optical layer is laterally offset or rotated with respect to the photoconductive layer to permit external electrical contact with the first and second transparent conductive oxide layers.
A light modulator, comprising:
- a thermal conductive top substrate assembly;
- an electro-optics assembly with a first transparent conductive oxide layer;
- a photoconductor assembly with a second transparent conductive oxide layer, wherein the electro-optics assembly and the photoconductor assembly have a same shape;
- and
- a supporting thermal conductive substrate assembly,
- wherein the electro-optics assembly is laterally offset or rotated with respect to the photoconductor assembly to permit external electrical contact with the respective first and second transparent conductive oxide layers.
Dependencies are inferred from the claim text.