Metalens, it's coming

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)

Medium (2021) Metalenz

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

Meta-Shack Hartmann

Fish Eye

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:

Canon Expo 2023

Petapixel

Most promising application this moment:

Microscope objective

Smartphone

Semiconductor

7/2023

郭明錤認為，預期 2024 年款 iPad Pro 的 Face ID 會優先採用超透鏡技術，主要是超透鏡 MetaLens 相較於塑膠鏡頭更具備成低本和高度低兩大優勢，能夠在短期內取代 Face ID Rx 或 ToF Tx/Rx 塑膠鏡頭應用。

對於 iPhone 鏡頭何時也會搭載超透鏡，海通國際科技研究中心 Jeff Pu 在最新分析報告指出，預期蘋果會先在 iPhone 16 採用新的「超透鏡」技術，會大幅縮小蘋果 iPhone Face ID 傳感器尺寸。

郭明錤也表示若 iPhone 相機鏡頭要採用超透鏡 MetaLens ，不管在算法和製程進展，要將 MetaLens 取代 iPhone 鏡頭內低階塑膠鏡片，最快也要等到 2028年至2030年才可能出現。mrmad

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劣質洗衣機入水喉

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沖田博文 Hirofumi Okita 60cm F3.25 dobsonian telescope

the making mirror from Mike Lockwood webpage youtube uwakina bokura other ATMers in Japan blueforest anettai

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Hello!! It's Joseph

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