Popular science (2016)
Metasurfaces are one kind of such diffractive optical elements with flat subwavelength implementations, which consist of quasiperiodic arrays of light resonators (also called as meta-atoms)
KAIST (2022)
MIT (2021)
ACS (2019)
PENN U (2023) using DUV photolithoraphy 光刻蝕
City U (2022)
Polyu (2020)
LG (2022)
Phonearena (2022)
Laserfocusworld (2021)
Photonix (2020)
Nature (2020)
Hybrid achromatic (2020)
Harvard U, various applications
To solve:
Focusing efficiency ( now ~80%)
How to make a bigger lens( now it's a 80 mm dia)
How to lower manufacturing cost
25 Oct 2023:
Most promising application this moment:
Microscope objective
Smartphone
Semiconductor
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