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Lens arrays can be found in infra-red motion detectors.<ref>https://www.youtube.com/embed/HroJyGDoXI8?t=23</ref>
Lens arrays can be found in infra-red motion detectors.<ref>https://www.youtube.com/embed/HroJyGDoXI8?t=23</ref>
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==Optics==
==Optics==
Each lens in the array has its own optical axis. However, when the array is viewed as a cohesive unit, the lenses form a shared main optical axis.<ref name="u455">{{cite web | title=Microstructure Lens Arrays | website=Laser Focus World | url=https://www.laserfocusworld.com/directory/finished-optics-coatings-components/lens-arrays/product/14303094/avantier-inc-microstructure-lens-arrays}}</ref>
Each lens in the array has its own optical axis. However, when the array is viewed as a cohesive unit, the lenses form a shared main optical axis.<ref name="u455">{{cite web | title=Microstructure Lens Arrays | website=Laser Focus World | url=https://www.laserfocusworld.com/directory/finished-optics-coatings-components/lens-arrays/product/14303094/avantier-inc-microstructure-lens-arrays}}</ref>
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==Manufacturing==
==Manufacturing==
Lens arrays can be injection molded.
Lens arrays can be injection molded.
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+A lens array can be made from a silicone mold made with 1 mm stainless steel balls. The lens material can be epoxy resin.<ref name="i170">{{cite web | title=Getting A Fly’s-Eye View With Microfabricated Lens Arrays (Comments section)| website=Hackaday | date=2021-09-07 | url=https://hackaday.com/2021/09/07/getting-a-flys-eye-view-with-microfabricated-lens-arrays/ | access-date=2024-09-13}}</ref>
===Materials===
===Materials===