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US 2020/0004036 A1Published application
Diffractive optical device providing structured light
AssigneeViavi Solutions Inc.
InventorsTasso R. M. SALES, Stephen H. CHAKMAKJIAN, George Michael MORRIS
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Abstract
A diffractive optical element including microstructures, along a surface of an optical material, having a phase profile to diffract input illumination into structured light of a plurality of different diffraction orders; wherein the phase profile is at least partially phase unwrapped is disclosed. Methods of generating the diffractive optical element is also disclosed.
Claims20
A diffractive optical element comprising:
- microstructures, along a surface of an optical material, having a phase profile to diffract input illumination into structured light of a plurality of different diffraction orders;
- wherein the phase profile is at least partially phase unwrapped.
A method for generating a diffractive optical element comprising,
- calculating a phase profile that produces a structured light pattern;
- unwrapping the calculated phase profile of the structured light pattern to obtain a 2πP unwrapped phase profile;
- generating the 2πP unwrapped phase profile;
- and
- fabricating microstructures along a surface of an optical material based upon the generated 2πP unwrapped phase profile.
2 more elements
Dependencies are inferred from the claim text.