Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Yakov G. Soskind0
Date of Patent
August 23, 2022
0Patent Application Number
164289990
Date Filed
June 2, 2019
0Patent Citations
Patent Primary Examiner
CPC Code
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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