US Patent 11762134 Diffractive optical element
Patent 11762134 was granted and assigned to Lumentum on September, 2023 by the United States Patent and Trademark Office.
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US Patent 11762134 Diffractive optical element
Article
Patent abstract
A diffractive optical element may include sub-wavelength period stack-and-gap structured layers providing transmissive phase delay at a wavelength. The sub-wavelength period stack-and-gap structured layers may include a set of thin anti-reflection layers that are index matched to an environment or a substrate over a range of fill factors of the sub-wavelength period.
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Patent Applicant
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Patent Number
Patent Inventor Names
John Michael Miller
Stephen Bagnald
Date of Patent
September 19, 2023
Patent Application Number
17303194
Date Filed
May 24, 2021
Patent Citations
Patent Primary Examiner
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