CN114981679A - 深度获取组件及电子设备 - Google Patents

深度获取组件及电子设备 Download PDF

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Publication number
CN114981679A
CN114981679A CN202080093606.8A CN202080093606A CN114981679A CN 114981679 A CN114981679 A CN 114981679A CN 202080093606 A CN202080093606 A CN 202080093606A CN 114981679 A CN114981679 A CN 114981679A
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CN
China
Prior art keywords
laser
module
field effect
lasers
array
Prior art date
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Pending
Application number
CN202080093606.8A
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English (en)
Inventor
余力强
崔振威
陈微
蒋艳锋
刘俊哲
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Filing date
Publication date
Application filed by Huawei Technologies Co Ltd filed Critical Huawei Technologies Co Ltd
Publication of CN114981679A publication Critical patent/CN114981679A/zh
Pending legal-status Critical Current

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    • 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
    • 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
    • G01S17/88—Lidar systems specially adapted for specific applications
    • G01S17/89—Lidar systems specially adapted for specific applications for mapping or imaging
    • G01S17/894—3D imaging with simultaneous measurement of time-of-flight at a 2D array of receiver pixels, e.g. time-of-flight cameras or flash lidar
    • 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
    • G01S7/486—Receivers
    • G01S7/4861—Circuits for detection, sampling, integration or read-out
    • G01S7/4863—Detector arrays, e.g. charge-transfer gates
    • 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
    • H01S5/04—Processes or apparatus for excitation, e.g. pumping, e.g. by electron beams
    • H01S5/042—Electrical excitation ; Circuits therefor
    • H01S5/0428—Electrical excitation ; Circuits therefor for applying pulses to the laser
    • 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
    • H01S5/06—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
    • H01S5/062—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium by varying the potential of the electrodes
    • H01S5/06209—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium by varying the potential of the electrodes in single-section lasers
    • H01S5/06216—Pulse modulation or generation
    • 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
    • H01S5/40—Arrangement of two or more semiconductor lasers, not provided for in groups H01S5/02 - H01S5/30
    • H01S5/4025—Array arrangements, e.g. constituted by discrete laser diodes or laser bar

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Optics & Photonics (AREA)
  • Semiconductor Lasers (AREA)
  • Optical Radar Systems And Details Thereof (AREA)

Abstract

一种深度获取组件及电子设备，包括激光器驱动阵列(002)和激光器阵列(003)；激光器阵列(003)中包括多个激光器(162)；激光器驱动阵列(002)包括一个或多个控制单元(160)，各控制单元(160)用于控制激光器阵列(003)中的一个或多个激光器(162)的选择；一个或多个控制单元(160)设置在激光器驱动阵列(002)的充电回路中，基于控制单元(160)中的第一开关模块(1601)、容性模块(1602)可以灵活的实现对控制单元(160)对应的激光器(162)的灵活选择，从而使得基于激光器驱动电路可以实现对激光器阵列(003)的扫描激光发射，不需要额外设置转镜等扫描设备，从而可以为实现小尺寸、小功耗、低成本的光发射端提供电路支持。

Description

PCT国内申请，说明书已公开。

Claims (10)

  1. PCT国内申请，权利要求书已公开。
CN202080093606.8A 2020-03-02 2020-03-02 深度获取组件及电子设备 Pending CN114981679A (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2020/077476 WO2021174390A1 (zh) 2020-03-02 2020-03-02 深度获取组件及电子设备

Publications (1)

Publication Number Publication Date
CN114981679A true CN114981679A (zh) 2022-08-30

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202080093606.8A Pending CN114981679A (zh) 2020-03-02 2020-03-02 深度获取组件及电子设备

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US (1) US20230006418A1 (zh)
EP (1) EP4099049A4 (zh)
JP (1) JP7467657B2 (zh)
CN (1) CN114981679A (zh)
WO (1) WO2021174390A1 (zh)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023238786A1 (ja) * 2022-06-08 2023-12-14 株式会社小糸製作所 発光装置
CN118198852A (zh) * 2022-12-13 2024-06-14 上海禾赛科技有限公司 激光器驱动电路及方法、芯片、激光雷达

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3183598B2 (ja) * 1993-12-14 2001-07-09 三菱電機株式会社 障害物検知装置
JP2016188808A (ja) 2015-03-30 2016-11-04 竹前　義博 レンジセンサとその部品
CN104812132B (zh) * 2015-04-14 2017-08-29 常州工程职业技术学院 光伏led阵列模拟光源的设计方法及其装置
US10158211B2 (en) 2015-09-22 2018-12-18 Analog Devices, Inc. Pulsed laser diode driver
JP6644348B2 (ja) 2015-11-06 2020-02-12 株式会社リコー 物体検出装置、センシング装置及び移動体装置
US10274599B2 (en) * 2016-06-01 2019-04-30 Toyota Motor Engineering & Manufacturing North America, Inc. LIDAR systems with expanded fields of view on a planar substrate
JP6819098B2 (ja) * 2016-07-01 2021-01-27 株式会社リコー 物体検出装置、センシング装置及び移動体装置
US10048358B2 (en) 2016-12-30 2018-08-14 Panosense Inc. Laser power calibration and correction
CN110679049A (zh) * 2017-04-12 2020-01-10 感应光子公司 超小型垂直腔表面发射激光器(vcsel)以及包括所述超小型垂直腔表面发射激光器的阵列
JP2019068528A (ja) 2017-09-28 2019-04-25 株式会社リコー 昇圧回路、電源回路、光源駆動回路及び距離計測装置
JP6983355B2 (ja) * 2018-07-18 2021-12-17 エフィシエント パワー コンヴァーション コーポレーション 集積バスブースト回路を有する電流パルス発生器
CN109343025B (zh) * 2018-08-14 2023-06-27 清华大学 一种激光雷达的发射***、探测***及探测方法
US11585906B2 (en) 2018-12-26 2023-02-21 Ouster, Inc. Solid-state electronic scanning laser array with high-side and low-side switches for increased channels
CN109884653A (zh) * 2019-04-09 2019-06-14 西安交通大学 激光测距装置和激光测距方法

Also Published As

Publication number Publication date
WO2021174390A1 (zh) 2021-09-10
JP2023517000A (ja) 2023-04-21
US20230006418A1 (en) 2023-01-05
EP4099049A1 (en) 2022-12-07
EP4099049A4 (en) 2023-03-29
JP7467657B2 (ja) 2024-04-15

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