US Patent 11422292 Super-blazed diffractive optical elements with sub-wavelength structures
Patent 11422292 was granted and assigned to Apple (company) on August, 2022 by the United States Patent and Trademark Office.
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Patent Inventor Names
Yakov G. Soskind0
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Patent Number
114222920
Date of Patent
August 23, 2022
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164289990
Date Filed
June 2, 2019
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US Patent 11422292 Super-blazed diffractive optical elements with sub-wavelength structures
Article
An optical element includes first and second transmission gratings positioned in mutual proximity and in a mutually-parallel orientation and having respective first and second phase modulation profiles with a common period and different, respective first and second numbers of modulation peaks and troughs in each period.
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Patent Applicant
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Patent Jurisdiction
Patent Number
11422292
Date of Patent
August 23, 2022
Patent Application Number
16428999
Date Filed
June 2, 2019
Patent Citations
Patent Primary Examiner
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