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GB2586850B - Waveguide and method for fabricating a waveguide - Google Patents

Waveguide and method for fabricating a waveguide Download PDF

Info

Publication number
GB2586850B
GB2586850B GB1912819.8A GB201912819A GB2586850B GB 2586850 B GB2586850 B GB 2586850B GB 201912819 A GB201912819 A GB 201912819A GB 2586850 B GB2586850 B GB 2586850B
Authority
GB
United Kingdom
Prior art keywords
waveguide
fabricating
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
GB1912819.8A
Other versions
GB201912819D0 (en
GB2586850A (en
Inventor
Paul Mason Stephen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BAE Systems PLC
Original Assignee
BAE Systems PLC
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 BAE Systems PLC filed Critical BAE Systems PLC
Priority to GB1912819.8A priority Critical patent/GB2586850B/en
Publication of GB201912819D0 publication Critical patent/GB201912819D0/en
Priority to BR112022004134A priority patent/BR112022004134A2/en
Priority to PCT/GB2020/052030 priority patent/WO2021044123A1/en
Priority to EP20761883.6A priority patent/EP4025830B1/en
Priority to KR1020227011151A priority patent/KR20220059512A/en
Priority to IL291116A priority patent/IL291116B1/en
Priority to US17/753,349 priority patent/US12055751B2/en
Publication of GB2586850A publication Critical patent/GB2586850A/en
Application granted granted Critical
Publication of GB2586850B publication Critical patent/GB2586850B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • G02B27/42—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect
    • G02B27/4205—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect having a diffractive optical element [DOE] contributing to image formation, e.g. whereby modulation transfer function MTF or optical aberrations are relevant
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/18—Diffraction gratings
    • G02B5/1814—Diffraction gratings structurally combined with one or more further optical elements, e.g. lenses, mirrors, prisms or other diffraction gratings
    • G02B5/1819—Plural gratings positioned on the same surface, e.g. array of gratings
    • 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
    • G02B27/01—Head-up displays
    • G02B27/0101—Head-up displays characterised by optical features
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/18—Diffraction gratings
    • G02B5/1847—Manufacturing methods
    • G02B5/1852—Manufacturing methods using mechanical means, e.g. ruling with diamond tool, moulding
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/18—Diffraction gratings
    • G02B5/1847—Manufacturing methods
    • G02B5/1857—Manufacturing methods using exposure or etching means, e.g. holography, photolithography, exposure to electron or ion beams
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Diffracting Gratings Or Hologram Optical Elements (AREA)
  • Optical Integrated Circuits (AREA)
GB1912819.8A 2019-09-06 2019-09-06 Waveguide and method for fabricating a waveguide Active GB2586850B (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
GB1912819.8A GB2586850B (en) 2019-09-06 2019-09-06 Waveguide and method for fabricating a waveguide
BR112022004134A BR112022004134A2 (en) 2019-09-06 2020-08-24 Waveguide and method for making a waveguide
PCT/GB2020/052030 WO2021044123A1 (en) 2019-09-06 2020-08-24 Waveguide and method for fabricating a waveguide
EP20761883.6A EP4025830B1 (en) 2019-09-06 2020-08-24 Waveguide and method for fabricating a waveguide
KR1020227011151A KR20220059512A (en) 2019-09-06 2020-08-24 Waveguides and methods for manufacturing waveguides
IL291116A IL291116B1 (en) 2019-09-06 2020-08-24 Waveguide and method for fabricating a waveguide
US17/753,349 US12055751B2 (en) 2019-09-06 2020-08-24 Waveguide and method for fabricating a waveguide

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1912819.8A GB2586850B (en) 2019-09-06 2019-09-06 Waveguide and method for fabricating a waveguide

Publications (3)

Publication Number Publication Date
GB201912819D0 GB201912819D0 (en) 2019-10-23
GB2586850A GB2586850A (en) 2021-03-10
GB2586850B true GB2586850B (en) 2023-05-24

Family

ID=68241023

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1912819.8A Active GB2586850B (en) 2019-09-06 2019-09-06 Waveguide and method for fabricating a waveguide

Country Status (1)

Country Link
GB (1) GB2586850B (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010122330A1 (en) * 2009-04-20 2010-10-28 Bae Systems Plc Surface relief grating in an optical waveguide having a reflecting surface and dielectric layer conforming to the surface
JP2012252168A (en) * 2011-06-03 2012-12-20 Canon Inc Diffraction optical element and imaging optical system using the same
US20150086163A1 (en) * 2012-03-27 2015-03-26 Bae Systems Plc Optical waveguides

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010122330A1 (en) * 2009-04-20 2010-10-28 Bae Systems Plc Surface relief grating in an optical waveguide having a reflecting surface and dielectric layer conforming to the surface
JP2012252168A (en) * 2011-06-03 2012-12-20 Canon Inc Diffraction optical element and imaging optical system using the same
US20150086163A1 (en) * 2012-03-27 2015-03-26 Bae Systems Plc Optical waveguides

Also Published As

Publication number Publication date
GB201912819D0 (en) 2019-10-23
GB2586850A (en) 2021-03-10

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