Large area arrayed light valves
An additive manufacturing system includes at least two photoconductor plates attached to a substrate. Each photoconductor plate can include separate the Linear Electro layers and transparent conductive oxide layers.
1 . A light valve for patterning incoming laser beam, comprising:
a substrate; and
at least two photoconductor plates attached to the substrate, wherein the at least two photoconductor plates attached to the substrate are laterally positioned with respect to each other and are polished as one part to have uniform thickness across the at least two photoconductors.
2 . The light valve of claim 1 , wherein the substrate comprises sapphire.
3 . The light valve of claim 1 , wherein the at least two photoconductor plates attached to the substrate are in an N×M array of photoconductor plates.
4 . The light valve of claim 1 , wherein the at least two photoconductor plates are attached to the substrate with a glass glue.
5 . The light valve of claim 1 , wherein the at least two photoconductor plates are thermal expansion matched to the substrate.
6 . The light valve of claim 1 , wherein the at least two photoconductor plates are each attached to secondary substrates that are each attached to the substrate.
7 . The light valve of claim 1 , wherein the at least two photoconductor plates comprise at least one of Bismuth Silicates, Bismuth Germanates, Cadmium Selenides, chalcogenide glasses, polycrystalline materials, amorphous silicon, BSO, Bi 12 SiO 20 , Bi 6 SiO 10 , Bi 3 SiO 5 , Bismuth Germanates, BGO, Bi 12 GeO 20 , Bi 6 GeO 10 , Bi 3 GeO 5 , CdSe, Ge 2 Sb 2 Te 5 (GST), Sc 0.2 Sb 2 Te 3 , GeTe, Ag 4 In 3 Sb 67 Te 26 , Ge 15 Sb 85 , Sb, CdTe, AZO, ZnSe, ZnS, and Si.
8 . The light valve of claim 1 , wherein the at least two photoconductor plates each has a linear electro (LEO) layer.
9 . An additive manufacturing system, comprising
a laser light source to form a laser beam;
a light valve supporting two-dimensional patterning of the light beam, the light valve comprising a substrate and at least two photoconductor plates that are attached to the substrate, wherein the at least two photoconductor plates attached to the substrate are laterally positioned with respect to each other and are polished as one part to have uniform thickness across the at least two photoconductor plates.
10 . The additive manufacturing system of claim 9 , wherein the substrate comprises sapphire.
11 . The additive manufacturing system of claim 9 , wherein the at least two photoconductor plates attached to the substrate are in an N×M array of photoconductor plates.
12 . The additive manufacturing system of claim 9 , wherein the at least two photoconductor plates are attached to the substrate with a glass glue.
13 . The additive manufacturing system of claim 9 , wherein the at least two photoconductor plates are thermal expansion matched to the substrate.
14 . The additive manufacturing system of claim 9 , wherein the at least two photoconductor plates are each attached to secondary substrates that are each attached to the substrate.
15 . The additive manufacturing system of claim 9 , wherein the at least two photoconductor plates comprise at least one of Bismuth Silicates, Bismuth Germanates, Cadmium Selenides, chalcogenide glasses, polycrystalline materials, amorphous silicon, BSO, Bi 12 SiO 20 , Bi 6 SiO 10 , Bi 3 SiO 5 , Bismuth Germanates, BGO, Bi 12 GeO 20 , Bi 6 GeO 10 , Bi 3 GeO 5 , CdSe, Ge 2 Sb 2 Te 5 (GST), Sc 0.2 Sb 2 Te 3 , GeTe, Ag 4 In 3 Sb 67 Te 26 , Ge 15 Sb 85 , Sb, CdTe, AZO, ZnSe, ZnS, and Si.
16 . The additive manufacturing system of claim 9 , wherein the at least two photoconductor plates each has a linear electro (LEO) layer.
17 . The additive manufacturing system of claim 9 , wherein the substrate is coated with a transparent conductive oxide (TCO) layer.
18 . The light valve of claim 1 , wherein the substrate is coated with a transparent conductive oxide (TCO) layer.