公开(公告)号：US20240345293A1

公开(公告)日：2024-10-17

申请号：US18415623

申请日：2024-01-17

Applicant: Meta Platforms Technologies, LLC

Inventor： Shaomin Xiong ,  Lidu Huang ,  Michael Andrew Brookmire ,  Zhaochun Yu ,  Fei Liu ,  Jianing Yao ,  Dongmin Yang ,  Yizhi Xiong

IPC: G02B5/00 ,  G02B26/02 ,  G02B27/01

CPC classification number: G02B5/005 ,  G02B26/02 ,  G02B2027/0138 ,  G02B27/0172 ,  G02B2027/0178 ,  G02B2207/101

Abstract: A size of an optical aperture for an imaging system is adjustable. The size of the optical aperture can be adjusted based on refractive index matching, optical absorption, or near field coupling techniques. These techniques may also be used to provide a high speed optical shutter.

公开(公告)号：US11703709B1

公开(公告)日：2023-07-18

申请号：US17165788

申请日：2021-02-02

Applicant: Meta Platforms Technologies, LLC

Inventor： Jianing Yao ,  Daozhi Wang ,  Silvio Grespan ,  Weihua Gao ,  Chia-Hsuan Tai ,  Shizhe Shen ,  John Robert Volk ,  Richard Han Soo Cho

IPC: G02F1/1335 ,  G02F1/13363

CPC classification number: G02F1/133548 ,  G02F1/133541 ,  G02F1/133638

Abstract: An optical element includes a linear polarizer layer and a transparent optical layer. The linear polarizer layer includes surfaces waviness and the transparent optical layer smooths the surfaces waves of the linear polarizer layer.