CN106526608A - VCSEL-based laser radar ranging device - Google Patents
VCSEL-based laser radar ranging device Download PDFInfo
- Publication number
- CN106526608A CN106526608A CN201611240787.4A CN201611240787A CN106526608A CN 106526608 A CN106526608 A CN 106526608A CN 201611240787 A CN201611240787 A CN 201611240787A CN 106526608 A CN106526608 A CN 106526608A
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- CN
- China
- Prior art keywords
- vcsel
- module
- laser radar
- control module
- input
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- 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.)
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Classifications
-
- 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
- G01S7/4811—Constructional features, e.g. arrangements of optical elements common to transmitter and receiver
Abstract
The invention provides a VCSEL-based laser radar ranging device, including a control module, a driving module, an information processing module, a VCSEL, a VCSEL detector and a transceiving antenna. The output end of the control module is connected with the input end of the driving module, the output end of the driving module is connected with the input end of the VCSEL, the output end of the VCSEL is connected with the input end of the transceiving antenna, the output end of the transceiving antenna is connected with the input end of the VCSSEL detector, the output end of the VCSEL detector is connected with the input end of the information processing module, and the output end of the information processing module is connected with the input end of the control module. The VCSEL-based laser radar ranging device can realize an effect that light beam emission and receiving share an optical antenna, does not need to additionally increase other components to enable echoes to enter the VCSEL detector, and has the advantages of no need of a complicated shaping system, a simple and compact structure, accurate measurement and the like.
Description
Technical field
The invention belongs to laser radar technique field, more particularly, to a kind of laser radar range device based on VCSEL.
Background technology
In existing laser radar range system, usual laser instrument and detector are separate, positioned at space difference position
Put, so as to cause the structure of whole system complex；And in order that detector receives echo-signal, generally have to make
It is with two sets of optical antennas, a set of for launching laser, it is a set of for receiving echo, make system structure become very complicated, even if adopting
Use a set of optical antenna, it is also desirable to increase optical element in antenna, enable echo-signal to enter detector.Moreover,
Traditional LD is second-rate due to outgoing beam, also needs to carry out beam shaping to which.
The content of the invention
In view of this, it is contemplated that proposing a kind of laser radar range device based on VCSEL, to solve current needs
Two sets of optical antennas, need to carry out light beam the situation of shaping.
To reach above-mentioned purpose, the technical scheme is that what is be achieved in that：
A kind of laser radar range device based on VCSEL, including control module, drive module, message processing module,
VCSEL laser instrument, VCSEL detectors, dual-mode antenna, the outfan connection drive module input of the control module are described
The outfan connection VCSEL laser inputs of drive module, the outfan connection dual-mode antenna input of the VCSEL laser instrument
End, the outfan connection VCSEL detector inputs of the dual-mode antenna, the outfan link information of the VCSEL detectors
Processing module input, the outfan link control module input of described information processing module.
Further, the dual-mode antenna is optical transmitting and receiving antenna.
Further, the outfan of the control module is also connected with display module.
Further, the VCSEL laser instrument and VCSEL detectors are integrated on one chip.
Further, the control module adopts single-chip microcomputer or the one kind in fpga chip.
Further, the signal processing module adopts TDC chips or the one kind in FPGA.
Relative to prior art, the laser radar range device based on VCSEL of the present invention has the advantage that：
Laser radar range device based on VCSEL of the present invention on the basis of VCSEL laser instrument, by laser instrument,
Detector is integrated on one chip, greatly simplify the structure of laser ranging system, good with outgoing beam quality,
Without the need for complicated orthopedic systems, simple structure, compact, the advantages of measure accurate；Beam emissions can be realized and receive shared a set of
Optical antenna, and make echo enter VCSEL detectors without the need for additionally increasing other elements.
Description of the drawings
The accompanying drawing for constituting the part of the present invention is used for providing a further understanding of the present invention, the schematic reality of the present invention
Apply example and its illustrate, for explaining the present invention, not constituting inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is one schematic diagram of laser radar range device embodiment based on VCSEL described in the embodiment of the present invention；
Fig. 2 is two schematic diagram of laser radar range device embodiment based on VCSEL described in the embodiment of the present invention.
Description of reference numerals：
1- control modules；2- drive modules；3- message processing modules；4-VCLEL laser instrument；5-VCSEL detectors；6- is received
Send out antenna；7- targets；8- display modules.
Specific embodiment
It should be noted that in the case where not conflicting, the embodiment and the feature in embodiment in the present invention can phase
Mutually combine.
In describing the invention, it is to be understood that term " " center ", " longitudinal direction ", " horizontal ", " on ", D score,
The orientation or position relationship of the instruction such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outward " is
Based on orientation shown in the drawings or position relationship, it is for only for ease of the description present invention and simplifies description, rather than indicate or dark
Show that the device or element of indication there must be specific orientation, with specific azimuth configuration and operation therefore it is not intended that right
The restriction of the present invention.Additionally, term " first ", " second " etc. are only used for describing purpose, and it is not intended that indicating or implying phase
To importance or the implicit quantity for indicating indicated technical characteristic.Thus, the feature for defining " first ", " second " etc. can
To express or implicitly include one or more this feature.In describing the invention, unless otherwise stated, " multiple "
It is meant that two or more.
In describing the invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Company ", " connection " should be interpreted broadly, for example, it may be being fixedly connected, or being detachably connected, or be integrally connected；Can
Being to be mechanically connected, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, above-mentioned term can be understood by concrete condition
Concrete meaning in the present invention.
Below with reference to the accompanying drawings and in conjunction with the embodiments describing the present invention in detail.
Embodiment one
As shown in figure 1, a kind of laser radar range device based on VCSEL, including control module 1, drive module 2, letter
Breath processing module 3, VCSEL laser instrument 4, VCSEL detectors 5, dual-mode antenna 6, the outfan connection of the control module 1 drive
2 input of module, the outfan connection VCSEL laser inputs of the drive module 2, the output of the VCSEL laser instrument
End connection 6 input of dual-mode antenna, the outfan of the dual-mode antenna 6 connect 5 input of VCSEL detectors, and dual-mode antenna 6 is
Optical transmitting and receiving antenna.Optical antenna, for the light beam of emitting laser output, while receive being reflected or scattering what is returned
Echo.Control module 1 adopts single-chip microcomputer or the one kind in fpga chip, single-chip microcomputer to use stc90c516RD+ chips,
Fpga chip uses XC4VLX80 chips.The signal processing module adopts TDC chips or the one kind in FPGA, TDC cores
Piece adopts TDC-GP21 timing modules.Drive module 2 adopts drive circuit.
VCSEL laser instrument 4 and VCSEL detectors 5 are integrated on one chip.Greatly simplify laser ranging dress
The structure put, it is good with outgoing beam quality, without the need for complicated orthopedic systems, simple structure, it is compact the advantages of.Light beam can be realized
Transmitting shares a set of optical antenna 6 with receiving, and makes echo enter VCSEL detectors 5 without the need for additionally increasing other elements.
3 input of outfan link information processing module of the VCSEL detectors 5, described information processing module 3 it is defeated
Go out to hold 1 input of link control module.The outfan of control module 1 is also connected with display module 8.Display module, with control module
It is connected, for showing measurement result.
Control module 1 is used to control whole system work；Its function includes：Control drive module 2 works, to signal processing
The data of the output of module 3 are processed, and are transmitted to display module 8.
Drive module 2 is used to drive VCSEL laser instrument 4 to work, and drive module 2 can export different repetition rates, difference
Current, pulse drive signal that dutycycle is little drive VCSEL laser instrument 4 to work.
Signal processing module 3 is used for signal processing and measure of time, detection is received be reflected or scatter after
The laser beam of return is processed to be conveniently used for measure of time；The first pulse signal detected with VCSEL detectors 5
(being reflected by 6 surface of optical antenna) is used as the initial signal that clocks, and receives return laser beam letter with VCSEL detectors 5
Number moment, to terminate, measures this interval of time, result is input to control module 1.
During work, control module 1 sends enabling signal to drive module 2, and drive module 2 is started working and exports pulsed drive
Signal；Drive signal is input to VCSEL laser instrument 4, and VCSEL laser instrument 4 is started working and launches pulsed light beam, and pulsed light beam passes through
During optical antenna 6 there is reflection in part light, and VCSEL detectors 5 detect first pulse signal, in this, as the starting letter that clocks
Number, message processing module 3 starts timing；Laser beam is irradiated in detection target, by target for a period of time afterwards in space flight
Reflection is scattered, and reflection or scattered light are received by VCSEL detectors 5 by backtracking；VCSEL detectors 5 are by receive
Two pulsed optical signals switch to the signal of telecommunication and are input into connected signal processing module 3, and signal processing module 3 is to echo telecommunications
Number timing is processed and is terminated, subsequently by measurement result output to control module 1；Control module 1 to measurement result at
Reason is transported to display module 8；Display module 8 receives the signal of control module 1, shows measurement result.
Measurement distance can be represented with following formula：
In formula, L is distance between target and measurement apparatus, and c is the light velocity, Δ t be laser come and go apart from L the time spent in.
Embodiment two
Experimental provision is as shown in Figure 2.From unlike embodiment one, control module 1, drive module 2, signal processing module
3 integrate, and other parts are identical with embodiment one, are not repeated herein.
Presently preferred embodiments of the present invention is the foregoing is only, not to limit the present invention, all essences in the present invention
Within god and principle, any modification, equivalent substitution and improvements made etc. should be included within the scope of the present invention.
Claims (6)
1. a kind of laser radar range device based on VCSEL, it is characterised in that：Including control module (1), drive module (2),
Message processing module (3), VCSEL laser instrument (4), VCSEL detectors (5), dual-mode antenna (6), the control module (1) it is defeated
Go out end connection drive module (2) input, the outfan connection VCSEL laser inputs of the drive module (2) are described
Outfan connection dual-mode antenna (6) input of VCSEL laser instrument, the outfan connection VCSEL detections of the dual-mode antenna (6)
Device (5) input, outfan link information processing module (3) input of the VCSEL detectors (5), described information process
Outfan link control module (1) input of module (3).
2. the laser radar range device based on VCSEL according to claim 1, it is characterised in that：The dual-mode antenna
(6) it is optical transmitting and receiving antenna.
3. the laser radar range device based on VCSEL according to claim 1, it is characterised in that：The control module
(1) outfan is also connected with display module (8).
4. the laser radar range device based on VCSEL according to claim 1, it is characterised in that：The VCSEL laser
Device (4) and VCSEL detectors (5) are integrated on one chip.
5. the laser radar range device based on VCSEL according to claim 1, it is characterised in that：The control module
(1) using the one kind in single-chip microcomputer or fpga chip.
6. the laser radar range device based on VCSEL according to claim 1, it is characterised in that：The signal processing
Module (3) is using TDC chips or the one kind in FPGA.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611240787.4A CN106526608A (en) | 2016-12-29 | 2016-12-29 | VCSEL-based laser radar ranging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611240787.4A CN106526608A (en) | 2016-12-29 | 2016-12-29 | VCSEL-based laser radar ranging device |
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| Publication Number | Publication Date |
|---|---|
| CN106526608A true CN106526608A (en) | 2017-03-22 |
Family
ID=58339167
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611240787.4A Pending CN106526608A (en) | 2016-12-29 | 2016-12-29 | VCSEL-based laser radar ranging device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110161522A (en) * | 2019-06-11 | 2019-08-23 | 中国科学院光电技术研究所 | A kind of Gao Zhongying single-photon laser radar for eliminating range ambiguity |
| CN111638498A (en) * | 2019-02-14 | 2020-09-08 | 宁波舜宇车载光学技术有限公司 | Single-layer sheet type laser radar apparatus and method of manufacturing the same |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07192291A (en) * | 1993-12-27 | 1995-07-28 | Matsushita Electric Ind Co Ltd | Optical pickup head device using vertical cavity surface light emitting laser diode |
| CN1530680A (en) * | 2003-03-14 | 2004-09-22 | 中国科学院半导体研究所 | Optical transmit-receive integral module of vertical cavity transmitting laser |
| US20090028579A1 (en) * | 2007-07-23 | 2009-01-29 | Finisar Corporation | Fiber optic link having an integrated laser and photodetector chip |
| CN102016672A (en) * | 2008-05-07 | 2011-04-13 | 惠普开发有限公司 | Optical engine for point-to-point communications |
| CN104601244A (en) * | 2014-12-22 | 2015-05-06 | 武汉电信器件有限公司 | 400 Gbps hot-plug high-speed optical transceiver module |
| CN105785389A (en) * | 2016-03-04 | 2016-07-20 | 中国科学院光电技术研究所 | Three-dimensional imaging laser radar system |
| CN106255864A (en) * | 2014-04-28 | 2016-12-21 | 罗伯特·博世有限公司 | The rough laser scanner of 3D |
| CN106255897A (en) * | 2014-04-28 | 2016-12-21 | 罗伯特·博世有限公司 | 3d laser scanner |
| CN206584042U (en) * | 2016-12-29 | 2017-10-24 | 中科和光（天津）应用激光技术研究所有限公司 | A kind of laser radar range device based on VCSEL |
-
2016
- 2016-12-29 CN CN201611240787.4A patent/CN106526608A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07192291A (en) * | 1993-12-27 | 1995-07-28 | Matsushita Electric Ind Co Ltd | Optical pickup head device using vertical cavity surface light emitting laser diode |
| CN1530680A (en) * | 2003-03-14 | 2004-09-22 | 中国科学院半导体研究所 | Optical transmit-receive integral module of vertical cavity transmitting laser |
| US20090028579A1 (en) * | 2007-07-23 | 2009-01-29 | Finisar Corporation | Fiber optic link having an integrated laser and photodetector chip |
| CN102016672A (en) * | 2008-05-07 | 2011-04-13 | 惠普开发有限公司 | Optical engine for point-to-point communications |
| CN106255864A (en) * | 2014-04-28 | 2016-12-21 | 罗伯特·博世有限公司 | The rough laser scanner of 3D |
| CN106255897A (en) * | 2014-04-28 | 2016-12-21 | 罗伯特·博世有限公司 | 3d laser scanner |
| CN104601244A (en) * | 2014-12-22 | 2015-05-06 | 武汉电信器件有限公司 | 400 Gbps hot-plug high-speed optical transceiver module |
| CN105785389A (en) * | 2016-03-04 | 2016-07-20 | 中国科学院光电技术研究所 | Three-dimensional imaging laser radar system |
| CN206584042U (en) * | 2016-12-29 | 2017-10-24 | 中科和光（天津）应用激光技术研究所有限公司 | A kind of laser radar range device based on VCSEL |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111638498A (en) * | 2019-02-14 | 2020-09-08 | 宁波舜宇车载光学技术有限公司 | Single-layer sheet type laser radar apparatus and method of manufacturing the same |
| CN111638498B (en) * | 2019-02-14 | 2023-10-13 | 宁波舜宇车载光学技术有限公司 | Single-layer sheet type laser radar device and manufacturing method thereof |
| CN110161522A (en) * | 2019-06-11 | 2019-08-23 | 中国科学院光电技术研究所 | A kind of Gao Zhongying single-photon laser radar for eliminating range ambiguity |
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