Optical eyepiece using single-sided patterning of grating couplers
AssigneeMagic Leap, Inc.
InventorsKang Luo, Vikramjit Singh, Nai-Wen Pi, Shuqiang Yang, Frank Y. Xu
Life of this patent
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Abstract
An eyepiece includes a substrate and an in-coupling grating patterned on a single side of the substrate. A first grating coupler is patterned on the single side of the substrate and has a first grating pattern. The first grating coupler is optically coupled to the in-coupling grating. A second grating coupler is patterned on the single side of the substrate adjacent to the first grating coupler. The second grating coupler has a second grating pattern different from the first grating pattern. The second grating coupler is optically coupled to the in-coupling grating.
Claims15
-20. (canceled)
An eyepiece comprising:
- a substrate;
- a first grating coupler having a first pattern on a first side of the substrate;
- a second grating coupler having a second pattern on the first side of the substrate, wherein the second pattern is different from the first pattern, and wherein the first grating coupler contacts the second grating coupler to define an interdigitated alternating pattern at locations of contact between the first grating coupler and the second grating coupler.
Dependencies are inferred from the claim text.