DE69421697T2 - Holographische laserabtastvorrichtung und abstandbestimmungsvorrichtung - Google Patents

Holographische laserabtastvorrichtung und abstandbestimmungsvorrichtung

Info

Publication number
DE69421697T2
DE69421697T2 DE69421697T DE69421697T DE69421697T2 DE 69421697 T2 DE69421697 T2 DE 69421697T2 DE 69421697 T DE69421697 T DE 69421697T DE 69421697 T DE69421697 T DE 69421697T DE 69421697 T2 DE69421697 T2 DE 69421697T2
Authority
DE
Germany
Prior art keywords
detecting device
distance detecting
laser scan
holographic laser
holographic
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.)
Expired - Fee Related
Application number
DE69421697T
Other languages
English (en)
Other versions
DE69421697D1 (de
Inventor
James Hall
Arthur O'connor
Susan Raffensperger
Seymour Levine
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.)
Northrop Grumman Corp
Original Assignee
Northrop Grumman Corp
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 Northrop Grumman Corp filed Critical Northrop Grumman Corp
Application granted granted Critical
Publication of DE69421697D1 publication Critical patent/DE69421697D1/de
Publication of DE69421697T2 publication Critical patent/DE69421697T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
    • G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
    • G02B26/10—Scanning systems
    • G02B26/106—Scanning systems having diffraction gratings as scanning elements, e.g. holographic scanners
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
    • G01S7/481—Constructional features, e.g. arrangements of optical elements
    • G01S7/4817—Constructional features, e.g. arrangements of optical elements relating to scanning
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
    • G01S17/88—Lidar systems specially adapted for specific applications
    • G01S17/93—Lidar systems specially adapted for specific applications for anti-collision purposes
    • G01S17/933—Lidar systems specially adapted for specific applications for anti-collision purposes of aircraft or spacecraft
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H2270/00—Substrate bearing the hologram
    • G03H2270/20—Shape
    • G03H2270/22—Disc shaped
DE69421697T 1993-04-30 1994-04-20 Holographische laserabtastvorrichtung und abstandbestimmungsvorrichtung Expired - Fee Related DE69421697T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/056,218 US5471326A (en) 1993-04-30 1993-04-30 Holographic laser scanner and rangefinder
PCT/US1994/004374 WO1994025890A1 (en) 1993-04-30 1994-04-20 Holographic laser scanner and rangefinder

Publications (2)

Publication Number Publication Date
DE69421697D1 DE69421697D1 (de) 1999-12-23
DE69421697T2 true DE69421697T2 (de) 2000-06-21

Family

ID=22002974

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69421697T Expired - Fee Related DE69421697T2 (de) 1993-04-30 1994-04-20 Holographische laserabtastvorrichtung und abstandbestimmungsvorrichtung

Country Status (6)

Country Link
US (1) US5471326A (de)
EP (1) EP0696360B1 (de)
JP (1) JP3553597B2 (de)
DE (1) DE69421697T2 (de)
IL (1) IL109391A (de)
WO (1) WO1994025890A1 (de)

Families Citing this family (80)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2687484A1 (fr) * 1992-02-18 1993-08-20 Sextant Avionique Filtre holographique de protection contre des rayonnements, notamment laser.
US6573961B2 (en) 1994-06-27 2003-06-03 Reveo, Inc. High-brightness color liquid crystal display panel employing light recycling therein
US6199759B1 (en) 1994-08-17 2001-03-13 Metrologic Instruments, Inc. Bar code symbol scanning system having a holographic laser scanning disc utilizing maximum light collection surface area thereof and having scanning facets with optimized light collection efficiency
US6003772A (en) * 1994-08-17 1999-12-21 Metrologic Instruments, Inc. Holographic laser scanning system employing holographic scanning disc having dual-fringe contrast regions for optimized laser beam scanning and light collection operations
US6085978A (en) * 1994-08-17 2000-07-11 Metrologic Instruments, Inc. Holographic laser scanners of modular construction and method and apparatus for designing and manufacturing the same
US6547144B1 (en) 1994-08-17 2003-04-15 Metrologic Instruments, Inc. Holographic laser scanning system for carrying out light collection operations with improved light collection efficiency
US6006993A (en) * 1994-08-17 1999-12-28 Metrologic Instruments, Inc. Holographic laser scanning system for carrying out laser beam scanning operations with improved scan angle multiplication efficiency and carrying out light collection operations with improved light collection efficiency
US6158659A (en) * 1994-08-17 2000-12-12 Metrologic Instruments, Inc. Holographic laser scanning system having multiple laser scanning stations for producing a 3-D scanning volume substantially free of spatially and temporally coincident scanning planes
US6073846A (en) * 1994-08-17 2000-06-13 Metrologic Instruments, Inc. Holographic laser scanning system and process and apparatus and method
US6705526B1 (en) 1995-12-18 2004-03-16 Metrologic Instruments, Inc. Automated method of and system for dimensioning objects transported through a work environment using contour tracing, vertice detection, corner point detection, and corner point reduction methods on two-dimensional range data maps captured by an amplitude modulated laser scanning beam
US20020014533A1 (en) 1995-12-18 2002-02-07 Xiaxun Zhu Automated object dimensioning system employing contour tracing, vertice detection, and forner point detection and reduction methods on 2-d range data maps
US6867888B2 (en) 1996-07-12 2005-03-15 Science Applications International Corporation Switchable polymer-dispersed liquid crystal optical elements
US6821457B1 (en) 1998-07-29 2004-11-23 Science Applications International Corporation Electrically switchable polymer-dispersed liquid crystal materials including switchable optical couplers and reconfigurable optical interconnects
US5942157A (en) * 1996-07-12 1999-08-24 Science Applications International Corporation Switchable volume hologram materials and devices
US7077984B1 (en) 1996-07-12 2006-07-18 Science Applications International Corporation Electrically switchable polymer-dispersed liquid crystal materials
US7312906B2 (en) 1996-07-12 2007-12-25 Science Applications International Corporation Switchable polymer-dispersed liquid crystal optical elements
US6266473B1 (en) 1997-02-07 2001-07-24 Alliedsignal Inc. Reflective display
US6730442B1 (en) * 2000-05-24 2004-05-04 Science Applications International Corporation System and method for replicating volume holograms
US6381044B1 (en) * 2000-07-28 2002-04-30 Terabeam Corporation Method and apparatus for correcting aberrations in photon collection devices
US7344082B2 (en) * 2002-01-02 2008-03-18 Metrologic Instruments, Inc. Automated method of and system for dimensioning objects over a conveyor belt structure by applying contouring tracing, vertice detection, corner point detection, and corner point reduction methods to two-dimensional range data maps of the space above the conveyor belt captured by an amplitude modulated laser scanning beam
US6792028B2 (en) * 2002-03-22 2004-09-14 Raytheon Company Method and laser beam directing system with rotatable diffraction gratings
US7619739B1 (en) 2002-08-29 2009-11-17 Science Applications International Corporation Detection and identification of biological agents using Bragg filters
US7018563B1 (en) 2002-11-26 2006-03-28 Science Applications International Corporation Tailoring material composition for optimization of application-specific switchable holograms
US6879419B2 (en) 2002-12-05 2005-04-12 Northrop Grumman Corporation Laser scanner with peripheral scanning capability
US6950173B1 (en) 2003-04-08 2005-09-27 Science Applications International Corporation Optimizing performance parameters for switchable polymer dispersed liquid crystal optical elements
GB0718706D0 (en) 2007-09-25 2007-11-07 Creative Physics Ltd Method and apparatus for reducing laser speckle
US7733505B2 (en) * 2007-03-26 2010-06-08 The Boeing Company Attitude detection system and method
US9335604B2 (en) 2013-12-11 2016-05-10 Milan Momcilo Popovich Holographic waveguide display
US11726332B2 (en) 2009-04-27 2023-08-15 Digilens Inc. Diffractive projection apparatus
US11300795B1 (en) 2009-09-30 2022-04-12 Digilens Inc. Systems for and methods of using fold gratings coordinated with output couplers for dual axis expansion
US11320571B2 (en) 2012-11-16 2022-05-03 Rockwell Collins, Inc. Transparent waveguide display providing upper and lower fields of view with uniform light extraction
US10795160B1 (en) 2014-09-25 2020-10-06 Rockwell Collins, Inc. Systems for and methods of using fold gratings for dual axis expansion
US8233204B1 (en) 2009-09-30 2012-07-31 Rockwell Collins, Inc. Optical displays
US8659826B1 (en) 2010-02-04 2014-02-25 Rockwell Collins, Inc. Worn display system and method without requiring real time tracking for boresight precision
US9274349B2 (en) 2011-04-07 2016-03-01 Digilens Inc. Laser despeckler based on angular diversity
EP2748670B1 (de) 2011-08-24 2015-11-18 Rockwell Collins, Inc. Tragbare datenanzeige
US10670876B2 (en) 2011-08-24 2020-06-02 Digilens Inc. Waveguide laser illuminator incorporating a despeckler
WO2016020630A2 (en) 2014-08-08 2016-02-11 Milan Momcilo Popovich Waveguide laser illuminator incorporating a despeckler
US9507150B1 (en) 2011-09-30 2016-11-29 Rockwell Collins, Inc. Head up display (HUD) using a bent waveguide assembly
US9366864B1 (en) 2011-09-30 2016-06-14 Rockwell Collins, Inc. System for and method of displaying information without need for a combiner alignment detector
US8634139B1 (en) 2011-09-30 2014-01-21 Rockwell Collins, Inc. System for and method of catadioptric collimation in a compact head up display (HUD)
US9715067B1 (en) 2011-09-30 2017-07-25 Rockwell Collins, Inc. Ultra-compact HUD utilizing waveguide pupil expander with surface relief gratings in high refractive index materials
US20150010265A1 (en) 2012-01-06 2015-01-08 Milan, Momcilo POPOVICH Contact image sensor using switchable bragg gratings
US9523852B1 (en) 2012-03-28 2016-12-20 Rockwell Collins, Inc. Micro collimator system and method for a head up display (HUD)
CN103562802B (zh) 2012-04-25 2016-08-17 罗克韦尔柯林斯公司 全息广角显示器
US9933684B2 (en) 2012-11-16 2018-04-03 Rockwell Collins, Inc. Transparent waveguide display providing upper and lower fields of view having a specific light output aperture configuration
CN104071344B (zh) * 2013-03-28 2016-05-18 深圳市海洋王照明工程有限公司 直升机野外降落指示灯
US20140307055A1 (en) 2013-04-15 2014-10-16 Microsoft Corporation Intensity-modulated light pattern for active stereo
US9674413B1 (en) 2013-04-17 2017-06-06 Rockwell Collins, Inc. Vision system and method having improved performance and solar mitigation
WO2015015138A1 (en) 2013-07-31 2015-02-05 Milan Momcilo Popovich Method and apparatus for contact image sensing
US9244281B1 (en) 2013-09-26 2016-01-26 Rockwell Collins, Inc. Display system and method using a detached combiner
US10732407B1 (en) 2014-01-10 2020-08-04 Rockwell Collins, Inc. Near eye head up display system and method with fixed combiner
US9519089B1 (en) 2014-01-30 2016-12-13 Rockwell Collins, Inc. High performance volume phase gratings
US9244280B1 (en) 2014-03-25 2016-01-26 Rockwell Collins, Inc. Near eye display system and method for display enhancement or redundancy
WO2016020632A1 (en) 2014-08-08 2016-02-11 Milan Momcilo Popovich Method for holographic mastering and replication
US10241330B2 (en) 2014-09-19 2019-03-26 Digilens, Inc. Method and apparatus for generating input images for holographic waveguide displays
US10088675B1 (en) 2015-05-18 2018-10-02 Rockwell Collins, Inc. Turning light pipe for a pupil expansion system and method
US9715110B1 (en) 2014-09-25 2017-07-25 Rockwell Collins, Inc. Automotive head up display (HUD)
EP3245444B1 (de) 2015-01-12 2021-09-08 DigiLens Inc. Umweltisolierte wellenleiteranzeige
US9632226B2 (en) 2015-02-12 2017-04-25 Digilens Inc. Waveguide grating device
US11366316B2 (en) 2015-05-18 2022-06-21 Rockwell Collins, Inc. Head up display (HUD) using a light pipe
US10126552B2 (en) 2015-05-18 2018-11-13 Rockwell Collins, Inc. Micro collimator system and method for a head up display (HUD)
US10247943B1 (en) 2015-05-18 2019-04-02 Rockwell Collins, Inc. Head up display (HUD) using a light pipe
US10108010B2 (en) 2015-06-29 2018-10-23 Rockwell Collins, Inc. System for and method of integrating head up displays and head down displays
EP3359999A1 (de) 2015-10-05 2018-08-15 Popovich, Milan Momcilo Wellenleiteranzeige
US10598932B1 (en) 2016-01-06 2020-03-24 Rockwell Collins, Inc. Head up display for integrating views of conformally mapped symbols and a fixed image source
EP3433659A1 (de) 2016-03-24 2019-01-30 DigiLens, Inc. Verfahren und vorrichtung zur bereitstellung einer polarisationsselektiven holografischen wellenleitervorrichtung
EP3433658B1 (de) 2016-04-11 2023-08-09 DigiLens, Inc. Holographische wellenleitervorrichtung für die projektion von strukturiertem licht
EP3548939A4 (de) 2016-12-02 2020-11-25 DigiLens Inc. Wellenleitervorrichtung mit gleichmässiger ausgabebeleuchtung
US10545346B2 (en) 2017-01-05 2020-01-28 Digilens Inc. Wearable heads up displays
US10295824B2 (en) 2017-01-26 2019-05-21 Rockwell Collins, Inc. Head up display with an angled light pipe
US10942430B2 (en) 2017-10-16 2021-03-09 Digilens Inc. Systems and methods for multiplying the image resolution of a pixelated display
WO2019136476A1 (en) 2018-01-08 2019-07-11 Digilens, Inc. Waveguide architectures and related methods of manufacturing
CN115356905A (zh) 2018-01-08 2022-11-18 迪吉伦斯公司 波导单元格中全息光栅高吞吐量记录的系统和方法
US11402801B2 (en) 2018-07-25 2022-08-02 Digilens Inc. Systems and methods for fabricating a multilayer optical structure
KR20210138609A (ko) 2019-02-15 2021-11-19 디지렌즈 인코포레이티드. 일체형 격자를 이용하여 홀로그래픽 도파관 디스플레이를 제공하기 위한 방법 및 장치
KR20210134763A (ko) 2019-03-12 2021-11-10 디지렌즈 인코포레이티드. 홀로그래픽 도파관 백라이트 및 관련된 제조 방법
CN114207492A (zh) 2019-06-07 2022-03-18 迪吉伦斯公司 带透射光栅和反射光栅的波导及其生产方法
KR20220038452A (ko) 2019-07-29 2022-03-28 디지렌즈 인코포레이티드. 픽셀화된 디스플레이의 이미지 해상도와 시야를 증배하는 방법 및 장치
KR20220054386A (ko) 2019-08-29 2022-05-02 디지렌즈 인코포레이티드. 진공 브래그 격자 및 이의 제조 방법

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3334956A (en) * 1963-06-17 1967-08-08 Coleman Instr Corp Selective diffraction grating system
JPS59201017A (ja) * 1983-04-30 1984-11-14 Fujitsu Ltd 光ビ−ム走査装置
JPS60254112A (ja) * 1984-05-31 1985-12-14 Fujitsu Ltd 光ビ−ム走査装置
JPS61141418A (ja) * 1984-12-15 1986-06-28 Fujitsu Ltd 光ビ−ム走査装置
GB2185588B (en) * 1986-01-18 1989-11-15 Stc Plc Optical switching
JPH01172919A (ja) * 1987-12-28 1989-07-07 Ricoh Co Ltd 光走査機
GB8803283D0 (en) * 1988-02-12 1988-03-09 Ciba Geigy Ag Copying holograms
US4948258A (en) * 1988-06-27 1990-08-14 Harbor Branch Oceanographic Institute, Inc. Structured illumination surface profiling and ranging systems and methods
JPH03198020A (ja) * 1989-12-27 1991-08-29 Matsushita Electric Ind Co Ltd 光ビーム走査装置
US5046794A (en) * 1990-03-30 1991-09-10 Holotek Ltd. Hologon scanner system
US5119231A (en) * 1990-06-15 1992-06-02 Honeywell Inc. Hybrid diffractive optical filter
JPH04289814A (ja) * 1991-03-19 1992-10-14 Matsushita Electric Ind Co Ltd 光走査装置

Also Published As

Publication number Publication date
IL109391A (en) 1998-04-05
US5471326A (en) 1995-11-28
DE69421697D1 (de) 1999-12-23
JP3553597B2 (ja) 2004-08-11
EP0696360A1 (de) 1996-02-14
JPH08510336A (ja) 1996-10-29
EP0696360B1 (de) 1999-11-17
WO1994025890A1 (en) 1994-11-10

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee