The lens pitch (center to center distance between microlenses) on this MLA is random which helps minimize diffraction effects that can hurt performance.
In case of usual periodic sequenced lens array
“Many light sources emit a light pattern that is hotter in the center and cooler towards the perimeter of the beam. A constant pitch MLA is often used to transform the beam to create a uniform intensity output. However, the constant pitch of standard MLAs creates moire interference.
In case of our random pitch micro lens array
We reduce moire interference by non-periodic sequence.
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