US Patent 11016227 Diffractive optical element
Patent 11016227 was granted and assigned to Lumentum on May, 2021 by the United States Patent and Trademark Office.
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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 Number
110162270
Date of Patent
May 25, 2021
0Patent Application Number
160402230
Date Filed
July 19, 2018
0Official Website
Patent Primary Examiner
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Is a
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
110162270
Date of Patent
May 25, 2021
0Patent Application Number
160402230
Date Filed
July 19, 2018
0Official Website
Patent Primary Examiner
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US Patent 11016227 Diffractive optical element
Infobox
Is a
Patent applicant
Current assignee
Patent jurisdiction
Patent number
11016227
Date of patent
May 25, 2021
Patent application number
16040223
Date Filed
July 19, 2018
Patent primary examiner
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