FI128413B - Diffractive element with double period lattices - Google Patents

Diffractive element with double period lattices Download PDF

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Publication number
FI128413B
FI128413B FI20175509A FI20175509A FI128413B FI 128413 B FI128413 B FI 128413B FI 20175509 A FI20175509 A FI 20175509A FI 20175509 A FI20175509 A FI 20175509A FI 128413 B FI128413 B FI 128413B
Authority
FI
Finland
Prior art keywords
waveguide
switch
light
area
element according
Prior art date
Application number
FI20175509A
Other languages
English (en)
Finnish (fi)
Swedish (sv)
Other versions
FI20175509A1 (en
Inventor
Kasimir Blomstedt
Original Assignee
Dispelix Oy
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 Dispelix Oy filed Critical Dispelix Oy
Priority to FI20175509A priority Critical patent/FI128413B/en
Priority to EP18810219.8A priority patent/EP3631566A4/en
Priority to US16/618,188 priority patent/US12242088B2/en
Priority to PCT/FI2018/050371 priority patent/WO2018220266A1/en
Priority to JP2019566820A priority patent/JP7247437B2/ja
Priority to CN201880038494.9A priority patent/CN111065953B/zh
Publication of FI20175509A1 publication Critical patent/FI20175509A1/en
Application granted granted Critical
Publication of FI128413B publication Critical patent/FI128413B/en

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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
    • G02B27/01—Head-up displays
    • G02B27/017—Head mounted
    • G02B27/0172—Head mounted characterised by optical features
    • 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
    • G02B27/0081—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 with means for altering, e.g. enlarging, the entrance or exit pupil
    • 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
    • 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
    • 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
    • G02B5/00—Optical elements other than lenses
    • G02B5/18—Diffraction gratings
    • G02B5/1861—Reflection gratings characterised by their structure, e.g. step profile, contours of substrate or grooves, pitch variations, materials
    • 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
    • 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
    • G02B27/017—Head mounted
    • G02B27/0172—Head mounted characterised by optical features
    • G02B2027/0174—Head mounted characterised by optical features holographic

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Diffracting Gratings Or Hologram Optical Elements (AREA)
  • Optical Couplings Of Light Guides (AREA)
FI20175509A 2017-06-02 2017-06-02 Diffractive element with double period lattices FI128413B (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
FI20175509A FI128413B (en) 2017-06-02 2017-06-02 Diffractive element with double period lattices
EP18810219.8A EP3631566A4 (en) 2017-06-02 2018-05-18 DIFFACTIVE ELEMENT WITH DOUBLE PERIODIC GRIDS
US16/618,188 US12242088B2 (en) 2017-06-02 2018-05-18 Diffractive element with doubly periodic gratings
PCT/FI2018/050371 WO2018220266A1 (en) 2017-06-02 2018-05-18 Diffractive element with doubly periodic gratings
JP2019566820A JP7247437B2 (ja) 2017-06-02 2018-05-18 二重周期格子を有する回折素子
CN201880038494.9A CN111065953B (zh) 2017-06-02 2018-05-18 具有双周期性光栅的衍射元件

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI20175509A FI128413B (en) 2017-06-02 2017-06-02 Diffractive element with double period lattices

Publications (2)

Publication Number Publication Date
FI20175509A1 FI20175509A1 (en) 2018-12-03
FI128413B true FI128413B (en) 2020-04-30

Family

ID=64455295

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20175509A FI128413B (en) 2017-06-02 2017-06-02 Diffractive element with double period lattices

Country Status (6)

Country Link
US (1) US12242088B2 (enExample)
EP (1) EP3631566A4 (enExample)
JP (1) JP7247437B2 (enExample)
CN (1) CN111065953B (enExample)
FI (1) FI128413B (enExample)
WO (1) WO2018220266A1 (enExample)

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CN114217375B (zh) * 2021-12-31 2023-08-29 珠海莫界科技有限公司 一种高亮度均匀性的衍射光波导器件以及头戴ar显示设备
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CN114545549B (zh) * 2022-01-13 2023-05-30 嘉兴驭光光电科技有限公司 用于衍射显示的光学波导装置及显示设备
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CN115494574B (zh) * 2022-01-30 2023-07-28 珠海莫界科技有限公司 一种光波导模组及ar显示装置
CN114527573B (zh) * 2022-02-28 2025-01-10 舜宇奥来微纳光电信息技术(上海)有限公司 光波导组件和近眼显示设备
CN114660818B (zh) * 2022-03-29 2023-02-28 歌尔股份有限公司 光波导系统及增强现实设备
CN114818315B (zh) * 2022-04-23 2025-03-25 中国科学院长春光学精密机械与物理研究所 基于链表处理的平面光学系统仿真分析方法及设备
CN116107087A (zh) * 2022-04-29 2023-05-12 上海鲲游科技有限公司 一种衍射光波导及其设计方法
CN115236859B (zh) * 2022-06-06 2023-09-05 北京理工大学 一种二维衍射波导显示系统及其显示均匀性优化方法
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Also Published As

Publication number Publication date
JP2020524296A (ja) 2020-08-13
EP3631566A1 (en) 2020-04-08
WO2018220266A1 (en) 2018-12-06
JP7247437B2 (ja) 2023-03-29
FI20175509A1 (en) 2018-12-03
US20210165142A1 (en) 2021-06-03
CN111065953A (zh) 2020-04-24
CN111065953B (zh) 2022-09-16
US12242088B2 (en) 2025-03-04
EP3631566A4 (en) 2021-03-03

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