CA3028791C - Angle of incidence restriction for optical filters - Google Patents

Angle of incidence restriction for optical filters

Info

Publication number
CA3028791C
CA3028791C CA3028791A CA3028791A CA3028791C CA 3028791 C CA3028791 C CA 3028791C CA 3028791 A CA3028791 A CA 3028791A CA 3028791 A CA3028791 A CA 3028791A CA 3028791 C CA3028791 C CA 3028791C
Authority
CA
Canada
Prior art keywords
optical filter
incidence
filter
range
angles
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
CA3028791A
Other languages
English (en)
French (fr)
Other versions
CA3028791A1 (en
Inventor
Jr. Bradley Richard A.
Tim Gustafson
Original Assignee
Viavi Solutions 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 Viavi Solutions Inc filed Critical Viavi Solutions Inc
Publication of CA3028791A1 publication Critical patent/CA3028791A1/en
Application granted granted Critical
Publication of CA3028791C publication Critical patent/CA3028791C/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/20—Filters
    • 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
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00—Photometry, e.g. photographic exposure meter
    • G01J1/02—Details
    • G01J1/04—Optical or mechanical part supplementary adjustable parts
    • G01J1/0488—Optical or mechanical part supplementary adjustable parts with spectral filtering
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/30—Collimators
    • 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
    • G02B5/285—Interference filters comprising deposited thin solid films

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Optical Filters (AREA)
  • Spectrometry And Color Measurement (AREA)
  • Eyeglasses (AREA)
  • Polarising Elements (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
CA3028791A 2018-01-17 2019-01-03 Angle of incidence restriction for optical filters Active CA3028791C (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US201862618372P 2018-01-17 2018-01-17
US62/618,372 2018-01-17
US16/164,225 2018-10-18
US16/164,225 US11215741B2 (en) 2018-01-17 2018-10-18 Angle of incidence restriction for optical filters

Publications (2)

Publication Number Publication Date
CA3028791A1 CA3028791A1 (en) 2019-07-17
CA3028791C true CA3028791C (en) 2025-12-09

Family

ID=64901961

Family Applications (1)

Application Number Title Priority Date Filing Date
CA3028791A Active CA3028791C (en) 2018-01-17 2019-01-03 Angle of incidence restriction for optical filters

Country Status (8)

Country Link
US (1) US11215741B2 (https=)
EP (1) EP3514584A1 (https=)
JP (1) JP7145086B2 (https=)
KR (2) KR102754943B1 (https=)
CN (2) CN115857080A (https=)
CA (1) CA3028791C (https=)
MX (1) MX395241B (https=)
TW (1) TWI796413B (https=)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10914961B2 (en) * 2017-02-13 2021-02-09 Viavi Solutions Inc. Optical polarizing filter
EP4017363A4 (en) * 2019-08-20 2023-08-02 Profusa, Inc. OPTICAL FILTER DEVICE, SYSTEM AND METHOD FOR IMPROVED OPTICAL REJECTION OF OUT-OF-BAND WAVELENGTHS
JP7750249B2 (ja) * 2020-12-25 2025-10-07 Ａｇｃ株式会社 光学フィルタ
US11983327B2 (en) * 2021-10-06 2024-05-14 Fotonation Limited Method for identifying a gesture
LT7041B (lt) * 2022-05-20 2024-01-10 Valstybinis mokslinių tyrimų institutas Fizinių ir technologijos mokslų centras Detektavimo įrenginys, sistema ir būdas, skirti optinio pluošto kritimo kampui nustatyti
US20250004185A1 (en) * 2023-06-27 2025-01-02 Viavi Solutions Inc. Angle selective filter

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3166115B2 (ja) 1993-08-03 2001-05-14 富士写真フイルム株式会社 フィルタ装置
US20090002830A1 (en) 2006-02-27 2009-01-01 Nikon Corporation Dichroic Filter
JP4598102B2 (ja) 2008-05-28 2010-12-15 富士フイルム株式会社 撮像装置
US8314991B2 (en) 2008-10-31 2012-11-20 Cpfilms Inc. Variable transmission composite interference filter
US20110291113A1 (en) * 2010-05-27 2011-12-01 Philips Lumileds Lighting Company, Llc Filter for a light emitting device
TWI576617B (zh) * 2012-07-16 2017-04-01 唯亞威方案公司 光學濾波器及感測器系統
US9568362B2 (en) * 2012-12-19 2017-02-14 Viavi Solutions Inc. Spectroscopic assembly and method
US9523850B2 (en) * 2014-02-16 2016-12-20 Apple Inc. Beam scanning using an interference filter as a turning mirror
US20160238759A1 (en) * 2015-02-18 2016-08-18 Materion Corporation Near infrared optical interference filters with improved transmission
US10170509B2 (en) 2016-02-12 2019-01-01 Viavi Solutions Inc. Optical filter array
DE102017004828B4 (de) * 2017-05-20 2019-03-14 Optics Balzers Ag Optischer Filter und Verfahren zur Herstellung eines optischen Filters
US10451783B2 (en) * 2017-05-22 2019-10-22 Viavi Solutions Inc. Induced transmission filter having plural groups of alternating layers of dielectric material for filtering light with less than a threshold angle shift

Also Published As

Publication number Publication date
JP7145086B2 (ja) 2022-09-30
US11215741B2 (en) 2022-01-04
CN115857080A (zh) 2023-03-28
EP3514584A1 (en) 2019-07-24
KR102754943B1 (ko) 2025-01-14
CN110045448B (zh) 2023-01-13
JP2019124942A (ja) 2019-07-25
US20190219748A1 (en) 2019-07-18
TWI796413B (zh) 2023-03-21
KR20190088027A (ko) 2019-07-25
MX395241B (es) 2025-03-25
MX2019000357A (es) 2019-07-18
CN110045448A (zh) 2019-07-23
KR20250012171A (ko) 2025-01-23
TW201932885A (zh) 2019-08-16
CA3028791A1 (en) 2019-07-17

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