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US 11,491,737 B2Granted
Robust method for bonding optical materials
AssigneeRaytheon Company
InventorsJoseph M. Wahl, Richard Gentilman
Life of this patent
Estimating the term…
Abstract
An optical element includes an optical material including a first edge and an opposing second edge. The optical element further includes a plurality of micro-channels arranged within the optical material. Each of the micro-channels of the plurality of micro-channels extends from the first edge to the second edge of the optical material.
Claims6
An optical element, comprising:
- an optical material comprising a first planar surface, an opposing second planar surface, a first edge, and an opposing second edge, the first edge and the opposing second edge connecting the first planar surface to the opposing second planar surface, and the first planar surface having a finished surface roughness of less than 10 Å RMS;
- and
- a plurality of micro-channels arranged within the optical material, each of the micro-channels of the plurality of micro-channels is an enclosed aperture that extends from the first edge to the second edge of the optical material;
- wherein the optical element is a single component without a separate material arranged at an interface at the plurality of micro-channels;
- and
- wherein the optical material comprises single crystal undoped yttrium aluminum garnet (YAG), ceramic undoped YAG, single crystal doped YAG, ceramic doped YAG, sapphire, spinel, yttria, nanocomposite optical ceramics (NCOC), aluminum oxynitride (ALON), or a combination thereof.
3 more elements
An optical element, comprising:
- an optical material comprising a first planar surface, an opposing second planar surface, a first edge, and an opposing second edge, the first edge and the opposing second edge connecting the first planar surface to the opposing second planar surface, and the first planar surface having a finished surface roughness of less than 10 Å RMS;
- and
- a plurality of micro-channels arranged within the optical material, each of the micro-channels of the plurality of micro-channels is an enclosed aperture that extends from the first edge to the second edge of the optical material and has a depth of about 10 to about 600 nanometers (nm);
- wherein the optical element is a single component without a separate material arranged at an interface at the plurality of micro-channels;
- and
- wherein a surface coverage of the plurality of micro-channels on the optical material is about 0.01 to about 5%.
3 more elements
Dependencies are inferred from the claim text.