JPWO2021053909A1 - - Google Patents

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Publication number
JPWO2021053909A1
JPWO2021053909A1 JP2021546510A JP2021546510A JPWO2021053909A1 JP WO2021053909 A1 JPWO2021053909 A1 JP WO2021053909A1 JP 2021546510 A JP2021546510 A JP 2021546510A JP 2021546510 A JP2021546510 A JP 2021546510A JP WO2021053909 A1 JPWO2021053909 A1 JP WO2021053909A1
Authority
JP
Japan
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.)
Granted
Application number
JP2021546510A
Other versions
JP7413390B2 (ja
JPWO2021053909A5 (ja
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 filed Critical
Publication of JPWO2021053909A1 publication Critical patent/JPWO2021053909A1/ja
Publication of JPWO2021053909A5 publication Critical patent/JPWO2021053909A5/ja
Application granted granted Critical
Publication of JP7413390B2 publication Critical patent/JP7413390B2/ja
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
    • G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
    • G02B27/0927—Systems for changing the beam intensity distribution, e.g. Gaussian to top-hat
    • 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
    • G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
    • G01S17/06—Systems determining position data of a target
    • G01S17/08—Systems determining position data of a target for measuring distance only
    • G01S17/10—Systems determining position data of a target for measuring distance only using transmission of interrupted, pulse-modulated waves
    • 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
    • G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
    • G01S17/06—Systems determining position data of a target
    • G01S17/08—Systems determining position data of a target for measuring distance only
    • 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
    • G01S7/4814—Constructional features, e.g. arrangements of optical elements of transmitters alone
    • 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
    • G01S7/483—Details of pulse systems
    • G01S7/484—Transmitters
    • 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
    • G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
    • G02B27/0938—Using specific optical elements
    • G02B27/095—Refractive optical elements
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/14—Details
    • G03B21/20—Lamp housings
    • G03B21/2006—Lamp housings characterised by the light source
    • G03B21/2033—LED or laser light sources
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S5/00—Semiconductor lasers
    • H01S5/10—Construction or shape of the optical resonator, e.g. extended or external cavity, coupled cavities, bent-guide, varying width, thickness or composition of the active region
    • H01S5/18—Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities
    • H01S5/183—Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities having only vertical cavities, e.g. vertical cavity surface-emitting lasers [VCSEL]
    • H01S5/18361—Structure of the reflectors, e.g. hybrid mirrors
    • 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
    • G01S7/4814—Constructional features, e.g. arrangements of optical elements of transmitters alone
    • G01S7/4815—Constructional features, e.g. arrangements of optical elements of transmitters alone using multiple transmitters

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Electromagnetism (AREA)
  • Optics & Photonics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Projection Apparatus (AREA)
  • Led Device Packages (AREA)
  • Optical Radar Systems And Details Thereof (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
JP2021546510A 2019-09-19 2020-06-19 投射光学系およびレーダ装置 Active JP7413390B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2019170835 2019-09-19
JP2019170835 2019-09-19
PCT/JP2020/024120 WO2021053909A1 (ja) 2019-09-19 2020-06-19 投射光学系およびレーダ装置

Publications (3)

Publication Number Publication Date
JPWO2021053909A1 true JPWO2021053909A1 (ja) 2021-03-25
JPWO2021053909A5 JPWO2021053909A5 (ja) 2022-11-11
JP7413390B2 JP7413390B2 (ja) 2024-01-15

Family

ID=74884505

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2021546510A Active JP7413390B2 (ja) 2019-09-19 2020-06-19 投射光学系およびレーダ装置

Country Status (4)

Country Link
US (1) US11506757B2 (ja)
JP (1) JP7413390B2 (ja)
CN (1) CN114258509B (ja)
WO (1) WO2021053909A1 (ja)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004006326A (ja) * 2002-04-22 2004-01-08 Mitsubishi Rayon Co Ltd 面光源装置及びそれに用いる導光体
JP2007096318A (ja) * 2005-09-27 2007-04-12 Lg Electronics Inc 発光素子パッケージ及びそれを用いたバックライトユニット
JP2010016367A (ja) * 2008-07-07 2010-01-21 Advanced Optoelectronic Technology Inc 発光ダイオード素子及びバックライトモジュール
JP2013164964A (ja) * 2012-02-10 2013-08-22 Sharp Corp 除電装置、及びそれを備えた画像形成装置
JP2015099205A (ja) * 2013-11-18 2015-05-28 パナソニックＩｐマネジメント株式会社 照明器具用配光レンズ及び照明器具
JP2016075564A (ja) * 2014-10-06 2016-05-12 株式会社リコー 投射光学系、物体検出装置
JP2016085797A (ja) * 2014-10-23 2016-05-19 コニカミノルタ株式会社 面発光モジュール
JP2019009108A (ja) * 2017-06-21 2019-01-17 三菱電機株式会社 照明装置

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07325267A (ja) * 1994-05-31 1995-12-12 Canon Inc 光混合光学素子を用いた投光光学装置
US5781325A (en) * 1994-12-19 1998-07-14 Fuji Xerox Co., Ltd. Optical scanning apparatus
AU721425B2 (en) * 1995-11-14 2000-07-06 Arete Associates, Inc. Confocal-reflection streak lidar apparatus with strip-shaped photocathode, for applications at a wide range of scales
CN100485487C (zh) * 2002-04-22 2009-05-06 三菱丽阳株式会社 面光源装置及面光源装置用导光体
JP4363014B2 (ja) * 2002-09-19 2009-11-11 富士ゼロックス株式会社 光走査装置及び画像形成装置
CN101356304B (zh) * 2005-10-11 2012-10-31 Gsi集团公司 光学计量度盘及其基于激光的制造方法
JP2012037572A (ja) * 2010-08-03 2012-02-23 Hamamatsu Photonics Kk レーザ光整形及び波面制御用光学系
CN103827572B (zh) * 2011-09-15 2017-02-15 三菱电机株式会社 光强度分布转换元件、面光源装置和液晶显示装置
WO2013114665A1 (ja) * 2012-02-02 2013-08-08 三菱電機株式会社 集光光学系および投写型画像表示装置
JP2014032149A (ja) * 2012-08-06 2014-02-20 Ricoh Co Ltd 物体検出装置
JP2015111090A (ja) * 2013-11-05 2015-06-18 株式会社リコー 物体検出装置
JP6292533B2 (ja) * 2013-12-06 2018-03-14 株式会社リコー 物体検出装置及びセンシング装置
JP6660584B2 (ja) * 2015-11-25 2020-03-11 株式会社リコー 物体検出装置
JP6945180B2 (ja) * 2017-10-19 2021-10-06 パナソニックＩｐマネジメント株式会社 レーザ投射装置

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004006326A (ja) * 2002-04-22 2004-01-08 Mitsubishi Rayon Co Ltd 面光源装置及びそれに用いる導光体
JP2007096318A (ja) * 2005-09-27 2007-04-12 Lg Electronics Inc 発光素子パッケージ及びそれを用いたバックライトユニット
JP2010016367A (ja) * 2008-07-07 2010-01-21 Advanced Optoelectronic Technology Inc 発光ダイオード素子及びバックライトモジュール
JP2013164964A (ja) * 2012-02-10 2013-08-22 Sharp Corp 除電装置、及びそれを備えた画像形成装置
JP2015099205A (ja) * 2013-11-18 2015-05-28 パナソニックＩｐマネジメント株式会社 照明器具用配光レンズ及び照明器具
JP2016075564A (ja) * 2014-10-06 2016-05-12 株式会社リコー 投射光学系、物体検出装置
JP2016085797A (ja) * 2014-10-23 2016-05-19 コニカミノルタ株式会社 面発光モジュール
JP2019009108A (ja) * 2017-06-21 2019-01-17 三菱電機株式会社 照明装置

Also Published As

Publication number Publication date
WO2021053909A1 (ja) 2021-03-25
JP7413390B2 (ja) 2024-01-15
US20220171029A1 (en) 2022-06-02
CN114258509B (zh) 2024-02-09
CN114258509A (zh) 2022-03-29
US11506757B2 (en) 2022-11-22

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