CAPPED BLOCKING COATING FOR LASER OPTICS
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United States of America Patent
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Issued Date -
Sep 29, 2022
app pub date -
Mar 9, 2022
filing date -
Mar 9, 2022
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status (Latency Note)
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Abstract
Methods, systems, and devices are described. A system may include an optically transmissive substrate having a protective coating on a first surface and a blocking coating on a second surface that is opposite the first surface. The protective coating is configured to protect the optically transmissive substrate from at least ultraviolet laser energy, and the blocking coating has a first thickness that is less than about 280 nanometers and is adhered to a subset of the second surface. The system further includes a capping layer covering the blocking coating that is on the subset of the second surface and having a second thickness less than the first thickness of the blocking coating. Additionally, the system includes a sealing component positioned between the capping layer and a structure configured to support the optically transmissive substrate.
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