Patent ID: 9014526
Filing Date: 2015-04-21
Classification: G02B

Abstract:
1. A waveguide apparatus, comprising: a plurality of layers arranged to provide a plurality of waveguides, each of the plurality of waveguides extending in a direction parallel to one another in a direction of light travel and in a single plane, each of the plurality of layers forming a part of at least one respective waveguide; wherein each of the plurality of layers comprises at least one alignment feature within the respective layer thereof and at least one first waveguide surface, the alignment feature being separate from the at least one first waveguide surface; a first member and a second member; wherein the first member is at least partially attached to the second member; and wherein at least a portion of the plurality of layers is disposed between the first and second members; and at least one alignment device disposed at least partially within the at least one alignment feature.