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A lens array with a lens width less than 1 millimeter is a [[microlens array]].
A lens array with a lens width less than 1 millimeter is a [[microlens array]].
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It is a flat piece of glass with tiny [[lenslet]]s manufactured into the surface.
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It is possible to make a microlens array using fresnel lenses.<ref>https://holographix.com/wp-content/uploads/2019/01/MLA-Circles-Microlens-Arrays-2-e1548578651299.jpg</ref>
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A lens array can potentially be made out of a [[holographic optical element]].
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A lens array can be found in a [[light field camera]].<ref name="w180">{{cite web | title=Lytro Specifications: A Deeper Look Inside | website=LightField Forum | url=http://lightfield-forum.com/2012/11/lytro-specifications-a-deeper-look-inside/ | access-date=2024-07-09}}</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>
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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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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A lens array can potentially be made out of a [[holographic optical element]].
==Manufacturing==
==Manufacturing==
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* PMMA
* PMMA
* [[Fused silica]]<ref name="x001">{{cite web | title=Fused Silica Microlens Arrays | website=Thorlabs, Inc. | url=https://www.thorlabs.com/newgrouppage9.cfm?objectgroup_id=2861}}</ref>
* [[Fused silica]]<ref name="x001">{{cite web | title=Fused Silica Microlens Arrays | website=Thorlabs, Inc. | url=https://www.thorlabs.com/newgrouppage9.cfm?objectgroup_id=2861}}</ref>
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==Uses==
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A lens array can be found in a [[light field camera]].<ref name="w180">{{cite web | title=Lytro Specifications: A Deeper Look Inside | website=LightField Forum | url=http://lightfield-forum.com/2012/11/lytro-specifications-a-deeper-look-inside/ | access-date=2024-07-09}}</ref>
==References==
==References==