Laser textured surface absorber and emitter
AssigneeThe United States of America as represented by the Secretary of the Navy
InventorsDouglas A. Sexton, Stephen D. Russell, Donald J. Albares
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Abstract
A light stop having at least one appropriately laser textured surface assures the absorption of energy including laser emissions that impinge on the at least one surface to thereby inhibit reflected energy therefrom. Optionally, an improved emitter of energy is created by at least one appropriately laser textured surface having an increased surface area of emission to increase the emissive power of the surface to thereby provide improved conductive and radiative cooling. An improved absorber and emitter is fabricated by providing front side and backside textured surfaces. All these capabilities are provided in a variety of structural configurations.
Claims28
An energy absorber including a textured surface formed by laser beam induced etching of the entire surface thereof, said textured surface having peaks and valleys of generally random heights and depths, respectively, providing an increased surface area with respect to a non-laser-etched-surface, and being an absorber of energy that impinges thereon.
An energy emitter including a textured surface formed by laser beam induced etching of the entire surface thereof, said textured surface having peaks and valleys of generally random heights and depths, respectively, providing an increased surface area with respect to a non-laser-etched-surface, and being an emitter of energy therefrom.
An energy absorber and emitter including a front side and a backside textured surface formed by laser beam induced etching of the entire surface thereof, said textured surface having peaks and valleys of generally random heights and depths, respectively, providing an increased surface area with respect to a non-laser-etched-surface, and being an absorber of energy that impinges thereon and an emitter of energy therefrom.
An energy absorber including a textured surface formed by laser beam induced ablation of the entire surface thereof, said textured surface having peaks and valleys of generally random heights and depths, respectively, providing an increased surface area with respect to a non-laser-ablated-surface, and being an absorber of energy that impinges thereon.
An energy emitter including a textured surface formed by laser beam induced ablation of the entire surface thereof, said textured surface having peaks and valleys of generally random heights and depths, respectively, providing an increased surface area with respect to a non-laser-ablated-surface, and being an emitter of energy therefrom.
An energy absorber and emitter including a frontside and a backside textured surface formed by laser beam induced ablation of the entire surface thereof, said textured surface having peaks and valleys of generally random heights and depths, respectively, providing an increased surface area with respect to a non-laser-ablated-surface, and being an absorber of energy that impinges thereon and an emitter of energy therefrom.
Dependencies are inferred from the claim text.