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US 2020/0081398 A1Published application
Photosensitive polymers for volume holography
AssigneeFacebook Technologies, LLC
InventorOleg YAROSHCHUK
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Abstract
Photosensitive polymers for recording volume holograms, anisotropic volume holograms, and corresponding volume holographic elements are described herein.
Claims20
A recording material for forming a volume hologram, wherein the recording material is characterized by a thickness and comprises a compound comprising a moiety of Formula 1 or Formula 2:
- wherein the moiety of Formula 1 or Formula 2 comprises a polymer backbone, a side chain comprising a linker L1 and a photosensitive group PG;
- wherein T1 in Formula 2 is a terminal group;
- and
- wherein the photosensitive group or the terminal group comprises a cycloaddition precursor (CAP).
1 more element
Dependencies are inferred from the claim text.