Title:
OPTICAL DETECTION DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/243363
Kind Code:
A1
Abstract:
[Problem] To provide an optical detection device which is equipped with a polarizer having a metasurface structure and which is advantageous for appropriately converging polarized beams in entering beams onto corresponding pixels. [Solution] An optical detection device comprises: a polarization control unit that includes a plurality of two-dimensionally arrayed microstructures and that selectively emits a plurality of polarized beams in entering beams; a photoelectric conversion unit that includes a plurality of pixels that receive the polarized beams; and a converging unit that is positioned between the polarization control unit and the photoelectric conversion unit and that converges the polarized beams onto corresponding pixels.
Inventors:
MORITA HIROKI (JP)
AKIBA AKIRA (JP)
MITA MAI (JP)
AKIBA AKIRA (JP)
MITA MAI (JP)
Application Number:
PCT/JP2023/019614
Publication Date:
December 21, 2023
Filing Date:
May 26, 2023
Export Citation:
Assignee:
SONY GROUP CORP (JP)
International Classes:
G02B3/00; G02B5/00; G02B5/18; G02B5/30; H01L27/146
Domestic Patent References:
| WO2019038999A1 | 2019-02-28 | |||
| WO2020066738A1 | 2020-04-02 |
Foreign References:
| JP2014027178A | 2014-02-06 | |||
| JP2007317951A | 2007-12-06 |
Attorney, Agent or Firm:
MIYAJIMA Manabu (JP)
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