Title:
METASURFACE IMAGING DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/212811
Kind Code:
A1
Abstract:
A metasurface imaging device (100), comprising an aperture (120), at least one metasurface lens (130), and an imaging sensor (140), where the aperture (120) is used for limiting an incident light beam; the at least one metasurface lens (130) is aligned with the aperture (120), is provided with multiple phase compensation structures (220), and deflects the light beam being limited by the aperture (120) so as to perform phase compensation with respect to the light beam; and the imaging sensor (140) then converts the phase-compensated light into an electric signal in proportion to a light signal. The phase compensation generated by each of the multiple phase compensation structures (220) changes as the distance to the center of the aperture (120) changes. The phase compensation of the phase compensation structures (220) changes on the basis of changes in a main light beam angle, thus allowing a superlens to be provided with a certain field of view.
Inventors:
YANG MENG (CN)
DAI FUJIAN (CN)
ZHAO LIEFENG (CN)
DAI FUJIAN (CN)
ZHAO LIEFENG (CN)
Application Number:
PCT/CN2020/127653
Publication Date:
October 28, 2021
Filing Date:
November 10, 2020
Export Citation:
Assignee:
ZHEJIANG SUNNY OPTICAL CO LTD (CN)
International Classes:
G02B27/00; G02B3/00
Domestic Patent References:
| WO2019164849A1 | 2019-08-29 |
Foreign References:
| CN111352237A | 2020-06-30 | |||
| CN211979329U | 2020-11-20 | |||
| CN110099201A | 2019-08-06 | |||
| CN107315206A | 2017-11-03 | |||
| CN109716177A | 2019-05-03 | |||
| CN110515215A | 2019-11-29 | |||
| CN109802242A | 2019-05-24 | |||
| CN108445555A | 2018-08-24 | |||
| US20200064523A1 | 2020-02-27 |
Attorney, Agent or Firm:
SEA INTELLECTUAL PROPERTY LAW FIRM (CN)
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