Dragonfly eyes inspire 3D microlens array (MLA) processing technique

https://phys.org/news/2023-10-dragonfly-eyes-microlens-array-technique.html

"dragonfly compound eyes have thousands tiny lenses enabling wide field view... 3D laser ablated curved surface, then etched in acid... high-quality 3D concave lens arrays that can be used to make soft compound eyes... 3D seeds array etched into overlaping microlenses forming closely packed and curved MCLA... high precision, efficiency, and versatility... fabricate complex high fidelity 3D patterns on variety of substrates... integrated optofluidics microchips, biomimetics, beam shaping, 3D imaging, and 3D displaying"

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