Title:
FILTER ARRAY AND PHOTODETECTION SYSTEM
Document Type and Number:
WIPO Patent Application WO/2021/241122
Kind Code:
A1
Abstract:
A filter array according to the present invention comprises a plurality of optical filters arrayed in two dimensions. At least one optical filter among the plurality of optical filters includes: an interference layer having a first surface and a second surface reverse of the first surface; and a reflection layer provided on the first surface. The transmission spectrum of the at least one optical filter has a plurality of local maximums in a specific wavelength region. No reflection layer is provided on the second surface.
Inventors:
YAKO MOTOKI
ISHIKAWA ATSUSHI
ISHIKAWA ATSUSHI
Application Number:
PCT/JP2021/017029
Publication Date:
December 02, 2021
Filing Date:
April 28, 2021
Export Citation:
Assignee:
PANASONIC IP MAN CO LTD (JP)
International Classes:
G01J3/26; G01J3/36; G02B3/00; G02B5/08; G02B5/20; G02B5/28
Domestic Patent References:
| WO2018155486A1 | 2018-08-30 |
Foreign References:
| JP2020053910A | 2020-04-02 | |||
| US9599511B2 | 2017-03-21 | |||
| US9466628B2 | 2016-10-11 |
Other References:
See also references of EP 4160170A4
Attorney, Agent or Firm:
KAMATA Kenji et al. (JP)
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