WO2023079180A3 - Narrow-band optical filters based on metamaterials and multi-layer coatings - Google Patents

Narrow-band optical filters based on metamaterials and multi-layer coatings Download PDF

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Publication number
WO2023079180A3
WO2023079180A3 PCT/EP2022/081167 EP2022081167W WO2023079180A3 WO 2023079180 A3 WO2023079180 A3 WO 2023079180A3 EP 2022081167 W EP2022081167 W EP 2022081167W WO 2023079180 A3 WO2023079180 A3 WO 2023079180A3
Authority
WO
WIPO (PCT)
Prior art keywords
metamaterials
narrow
optical filters
band optical
layer coatings
Prior art date
Application number
PCT/EP2022/081167
Other languages
French (fr)
Other versions
WO2023079180A2 (en
Inventor
Ragip Pala
Aykutlu Dana
Alireza SAFAEI
Asman Tamang
Original Assignee
Meta Materials Inc.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Meta Materials Inc. filed Critical Meta Materials Inc.
Publication of WO2023079180A2 publication Critical patent/WO2023079180A2/en
Publication of WO2023079180A3 publication Critical patent/WO2023079180A3/en

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
    • G02B1/002—Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of materials engineered to provide properties not available in nature, e.g. metamaterials
    • G02B1/005—Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of materials engineered to provide properties not available in nature, e.g. metamaterials made of photonic crystals or photonic band gap materials
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/20—Filters
    • G02B5/208—Filters for use with infrared or ultraviolet radiation, e.g. for separating visible light from infrared and/or ultraviolet radiation
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/20—Filters
    • G02B5/22—Absorbing filters
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/20—Filters
    • G02B5/26—Reflecting filters
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/20—Filters
    • G02B5/28—Interference filters
    • G02B5/281—Interference filters designed for the infrared light
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/20—Filters
    • G02B5/28—Interference filters
    • G02B5/284—Interference filters of etalon type comprising a resonant cavity other than a thin solid film, e.g. gas, air, solid plates
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/20—Filters
    • G02B5/28—Interference filters
    • G02B5/285—Interference filters comprising deposited thin solid films
    • G02B5/288—Interference filters comprising deposited thin solid films comprising at least one thin film resonant cavity, e.g. in bandpass filters

Abstract

An optical filter having an asymmetric blocking response and resonant cavity for light migration are provided, a camera, comprising the same, as well as methods of their use, is provided.
PCT/EP2022/081167 2021-11-08 2022-11-08 Narrow-band optical filters based on metamaterials and multi-layer coatings WO2023079180A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US202163263730P 2021-11-08 2021-11-08
US63/263,730 2021-11-08

Publications (2)

Publication Number Publication Date
WO2023079180A2 WO2023079180A2 (en) 2023-05-11
WO2023079180A3 true WO2023079180A3 (en) 2023-06-15

Family

ID=84365400

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2022/081167 WO2023079180A2 (en) 2021-11-08 2022-11-08 Narrow-band optical filters based on metamaterials and multi-layer coatings

Country Status (1)

Country Link
WO (1) WO2023079180A2 (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100096006A1 (en) * 2008-10-16 2010-04-22 Qualcomm Mems Technologies, Inc. Monolithic imod color enhanced photovoltaic cell
GB2552551A (en) * 2016-07-29 2018-01-31 Metamaterial Tech Inc Metamaterial optical filter and method for producing the same
US20190250316A1 (en) * 2016-08-31 2019-08-15 Daishinku Corporation Optical filter
CN112162340A (en) * 2020-09-15 2021-01-01 中国科学院上海技术物理研究所 Infrared broad spectrum color separation sheet using germanium as substrate and inclined at 45-degree angle
US20210191017A1 (en) * 2018-08-03 2021-06-24 Zhejiang University Radiative cooling optical filter, its preparing method and application

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100096006A1 (en) * 2008-10-16 2010-04-22 Qualcomm Mems Technologies, Inc. Monolithic imod color enhanced photovoltaic cell
GB2552551A (en) * 2016-07-29 2018-01-31 Metamaterial Tech Inc Metamaterial optical filter and method for producing the same
US20190250316A1 (en) * 2016-08-31 2019-08-15 Daishinku Corporation Optical filter
US20210191017A1 (en) * 2018-08-03 2021-06-24 Zhejiang University Radiative cooling optical filter, its preparing method and application
CN112162340A (en) * 2020-09-15 2021-01-01 中国科学院上海技术物理研究所 Infrared broad spectrum color separation sheet using germanium as substrate and inclined at 45-degree angle

Also Published As

Publication number Publication date
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