CN108375321A - The adjustable laser dazzling device of laser beam divergent angle - Google Patents
The adjustable laser dazzling device of laser beam divergent angle Download PDFInfo
- Publication number
- CN108375321A CN108375321A CN201810187590.1A CN201810187590A CN108375321A CN 108375321 A CN108375321 A CN 108375321A CN 201810187590 A CN201810187590 A CN 201810187590A CN 108375321 A CN108375321 A CN 108375321A
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- Prior art keywords
- laser
- laser beam
- convex lens
- emitting device
- lens
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41H—ARMOUR; ARMOURED TURRETS; ARMOURED OR ARMED VEHICLES; MEANS OF ATTACK OR DEFENCE, e.g. CAMOUFLAGE, IN GENERAL
- F41H13/00—Means of attack or defence not otherwise provided for
- F41H13/0043—Directed energy weapons, i.e. devices that direct a beam of high energy content toward a target for incapacitating or destroying the target
- F41H13/005—Directed energy weapons, i.e. devices that direct a beam of high energy content toward a target for incapacitating or destroying the target the high-energy beam being a laser beam
- F41H13/0056—Directed energy weapons, i.e. devices that direct a beam of high energy content toward a target for incapacitating or destroying the target the high-energy beam being a laser beam for blinding or dazzling, i.e. by overstimulating the opponent's eyes or the enemy's sensor equipment
-
- 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
-
- 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
- H01S5/0427—Electrical excitation ; Circuits therefor for applying modulation to the laser
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Electromagnetism (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- General Engineering & Computer Science (AREA)
- Lasers (AREA)
Abstract
The invention discloses a kind of adjustable laser dazzling device of laser beam divergent angle, which includes laser beam emitting device, concavees lens, convex lens, driving motor and control circuit；The laser beam emitting device, concavees lens and convex lens are from left to right sequentially placed and on the same axis, the distance between the laser beam emitting device and concavees lens position are fixed, and the distance between concavees lens and convex lens are changed by the movement of convex lens；Control circuit includes laser emitting module and motor control module, and the laser emitting module is connected with laser beam emitting device, and the motor control module is connected with driving motor.The duty ratio of laser beam emitting device drive signal can be changed to realize pulse frequency, pulse width and the adjustable function of transmission power in control circuit of the present invention.
Description
Technical field
The present invention relates to laser technology field more particularly to a kind of adjustable laser dazzling devices of laser beam divergent angle.
Background technology
The dazzling device of laser is mainly used in the fields such as anti-terrorism, anti-riot, military as a kind of nonlethal weapon.Its principle
For of short duration blindness and dizziness can be caused after the laser beam irradiation human eye of human eye sensitivity, so as to quickly make enemy without injuring people
Body life.The more difficult adjusting of laser dazzling device laser beam on current market, irradiation distance are also little.
Invention content
Shortcoming present in view of the above technology, it is dizzy that the present invention provides a kind of adjustable laser of laser beam divergent angle
Mesh device realizes the adjustable of laser beam divergent angle using the optical principle of lens group.
To achieve the above object, the present invention provides a kind of adjustable laser dazzling device of laser beam divergent angle, including is used for
Launch wavelength is sent out in the laser beam emitting device of the green pulse laser beam of 532nm or so, for further expansion of laser light light beam
Dissipate the concavees lens at angle, the convex lens of the angle of divergence for controlling outgoing beam, for controlling convex lens in optical axis direction position
Mobile driving motor and the control circuit for controlling Laser emission and driving motor transmission；It is the laser beam emitting device, recessed
Lens and convex lens are from left to right sequentially placed and on the same axis, the distance between the laser beam emitting device and concavees lens
Position is fixed, and the distance between concavees lens and convex lens are changed by the movement of convex lens；
The control circuit includes laser emitting module and motor control module, the laser emitting module and laser beam emitting device
It is connected, the motor control module is connected with driving motor.
Wherein, the laser emitting module, which is wrapped, is provided with the duty ratio for adjusting laser beam emitting device drive signal
Square-wave generator or micro-control unit；The square-wave generator or micro-control unit are connected with laser beam emitting device.
Wherein, laser diode or vertical cavity surface emitting laser may be used in the laser beam emitting device.
Wherein, the convex lens is mounted on mirror holder, and the mirror holder is connect by transmission shaft with driving motor, driving motor
Control transmission shaft rotation makes mirror holder movement to control convex lens movement.
The beneficial effects of the invention are as follows：Compared with prior art, laser beam divergent angle provided by the invention is adjustable swashs
Light dazzler, the structure include mainly laser beam emitting device, concavees lens, convex lens, driving motor and control circuit, Laser emission
The distance between device and concavees lens position are fixed, and the movements that the distance between concavees lens and convex lens pass through convex lens
And change；Control circuit includes laser emitting module and motor control module, and Laser emission can be changed above by control circuit
The duty ratio of device drive signal realizes pulse frequency, pulse width and the adjustable function of transmission power, so that this hair
The bright outgoing beam angle of divergence, pulse frequency, pulse width and transmission power are adjustable, and irradiation distance is remote, and glare effect is apparent, adapt to
In various application scenarios.
Description of the drawings
Fig. 1 is the structural schematic diagram of the adjustable laser dazzling device of laser beam divergent angle of the present invention；
Fig. 2 is the optical principle schematic diagram of laser dazzling device.
Specific implementation mode
In order to more clearly state the present invention, the present invention is further described below in conjunction with the accompanying drawings.
Please refer to Fig.1-2, the adjustable laser dazzling device of laser beam divergent angle provided by the invention, including it is used for transmitted wave
It grows in the laser beam emitting device 1 of the green pulse laser beam of 532nm or so, for further expansion of laser light beam divergence angle
Concavees lens 2, the convex lens 3 of the angle of divergence for controlling outgoing beam, for controlling movement of the convex lens in optical axis direction position
Driving motor 4 and for control Laser emission and driving motor transmission control circuit 5；It is the laser beam emitting device, recessed
Mirror and convex lens are from left to right sequentially placed and on the same axis, the distance between the laser beam emitting device and concavees lens position
It is fixed to set, and the distance between concavees lens and convex lens are changed by the movement of convex lens；
The control circuit includes laser emitting module and motor control module, the laser emitting module and laser beam emitting device
It is connected, the motor control module is connected with driving motor.
Compared to the prior art the case where, the adjustable laser dazzling device of laser beam divergent angle provided by the invention, the knot
Structure includes mainly laser beam emitting device, concavees lens, convex lens, driving motor and control circuit, laser beam emitting device and concavees lens
The distance between position be fixed, and the distance between concavees lens and convex lens are changed by the movement of convex lens；Control
Circuit includes laser emitting module and motor control module, and laser beam emitting device drive signal can be changed above by control circuit
Duty ratio realize pulse frequency, pulse width and the adjustable function of transmission power so that outgoing beam of the present invention is sent out
Scattered angle, pulse frequency, pulse width and transmission power are adjustable, and irradiation distance is remote, dazzling with obvious effects, is adapted to various applied fields
It closes.
In the present embodiment, the laser emitting module, which is wrapped, is provided with for adjusting laser beam emitting device drive signal
The square-wave generator or micro-control unit of duty ratio；The square-wave generator or micro-control unit are connected with laser beam emitting device
It connects.Laser beam divergent angle adjustable extent is 0.1 ° to 47 °, and laser emitting power adjustable extent is 0-6 watts, laser pulse frequency
Rate adjustable extent is 0-5KHz, and laser beam range of exposures is up to 2000 meters.Laser two may be used in the laser beam emitting device
Pole pipe or vertical cavity surface emitting laser.The convex lens is mounted on mirror holder, and the mirror holder passes through transmission shaft and driving motor
Connection, driving motor control transmission shaft rotation make mirror holder movement to control convex lens movement.
Human eye is most sensitive to green light, and entering human eye more than certain light intensity will make one to generate glare effect.The present invention
By the angle of divergence and laser power that adjust laser beam so that the laser under at a distance can enter eyes and reach people
The light intensity that eye is dazzle the eyes dazzles the eyes human eye generation under realizing at a distance.
Fig. 2 is the optical schematic diagram of laser dazzling device, and laser beam emitting device 1 sends out the laser beam of certain angle of divergence, this hair
Scattered angle is generally no greater than 30 °.In order to adapt to the laser glaring of different distance, need to expand the angle of divergence, so adding one behind
The angle of divergence is further amplified in concavees lens 2.Using the convex lens 3 by transmission motor control, since outgoing pulse laser is sent out
It is related with the position of convex lens 3 to dissipate angle, to realize the controllable function of the outgoing laser beams angle of divergence.
Advantage of the invention is that the beam divergence angle of laser dazzling device, transmission power, pulse frequency and pulse width can
It adjusts, laser beam range of exposures is remote.Wherein, laser beam divergent angle adjustable extent is 0.1 ° to 47 °, and laser emitting power can
Ranging from 0-6 watts is adjusted, laser pulse frequency adjustable extent is 0-5KHz, and laser beam range of exposures is up to 2000 meters.
Disclosed above is only several specific embodiments of the present invention, but the present invention is not limited to this, any ability
What the technical staff in domain can think variation should all fall into protection scope of the present invention.
Claims (4)
1. a kind of adjustable laser dazzling device of laser beam divergent angle, which is characterized in that including being used for launch wavelength on the left sides 532nm
The laser beam emitting device of right green pulse laser beam, for further expansion of laser light beam divergence angle concavees lens, be used for
Control convex lens, the driving motor and use for controlling movement of the convex lens in optical axis direction position of the angle of divergence of outgoing beam
In control Laser emission and the control circuit of driving motor transmission；The laser beam emitting device, concavees lens and convex lens from a left side to
The right side is sequentially placed and on the same axis, the distance between the laser beam emitting device and concavees lens position are fixed, and recessed
The distance between lens and convex lens are changed by the movement of convex lens；
The control circuit includes laser emitting module and motor control module, the laser emitting module and laser beam emitting device
It is connected, the motor control module is connected with driving motor.
2. the adjustable laser dazzling device of laser beam divergent angle according to claim 1, which is characterized in that the laser hair
It penetrates module and wraps the square-wave generator or micro-control unit for being provided with the duty ratio for adjusting laser beam emitting device drive signal；
The square-wave generator or micro-control unit are connected with laser beam emitting device.
3. the adjustable laser dazzling device of laser beam divergent angle according to claim 1, which is characterized in that the laser hair
Laser diode or vertical cavity surface emitting laser may be used in injection device.
4. the adjustable laser dazzling device of laser beam divergent angle according to claim 1, which is characterized in that the convex lens
On mirror holder, the mirror holder is connect by transmission shaft with driving motor, and driving motor control transmission shaft rotation makes mirror holder move
It is dynamic to be moved to control convex lens.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810187590.1A CN108375321A (en) | 2018-03-07 | 2018-03-07 | The adjustable laser dazzling device of laser beam divergent angle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810187590.1A CN108375321A (en) | 2018-03-07 | 2018-03-07 | The adjustable laser dazzling device of laser beam divergent angle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108375321A true CN108375321A (en) | 2018-08-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810187590.1A Pending CN108375321A (en) | 2018-03-07 | 2018-03-07 | The adjustable laser dazzling device of laser beam divergent angle |
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| Country | Link |
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| CN (1) | CN108375321A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110018565A (en) * | 2019-03-19 | 2019-07-16 | 北京工业大学 | A kind of method and apparatus improving ultrafast laser light beam focusing capability |
| DE102019002600A1 (en) * | 2019-04-09 | 2020-10-15 | Bundesrepublik Deutschland, vertr. durch das Bundesministerium der Verteidigung, vertr. durch das Bundesamt für Ausrüstung, Informationstechnik und Nutzung der Bundeswehr | Glare and irritation device |
| CN112815780A (en) * | 2021-01-15 | 2021-05-18 | 江苏亮点光电研究有限公司 | Laser dazzling optical system |
| CN113310356A (en) * | 2021-05-27 | 2021-08-27 | 江苏亮点光电研究有限公司 | Light spot self-adaptive laser dazzler and control method thereof |
| CN113608348A (en) * | 2021-08-13 | 2021-11-05 | 江苏亮点光电研究有限公司 | Optical galvanometer transmitting device of laser -mesh device |
| CN115242305A (en) * | 2022-09-21 | 2022-10-25 | 鹏城实验室 | Light beam divergence angle control method, laser emission system, terminal and storage medium |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202304601U (en) * | 2011-09-30 | 2012-07-04 | 李宏昌 | Vehicle-mounted array laser dazzler |
| CN202614095U (en) * | 2012-06-08 | 2012-12-19 | 战仁军 | Barrel-suspended and hand-held dual-purpose laser dazzling device |
| CN204718491U (en) * | 2015-06-16 | 2015-10-21 | 陕西艾利克斯光电科技有限公司 | A kind of carrier-borne laser dazzling device |
| CN204788042U (en) * | 2015-07-09 | 2015-11-18 | 李宏昌 | Ware is dazzle eyes to anti -riot multi -functional laser of anti -terrorism |
-
2018
- 2018-03-07 CN CN201810187590.1A patent/CN108375321A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202304601U (en) * | 2011-09-30 | 2012-07-04 | 李宏昌 | Vehicle-mounted array laser dazzler |
| CN202614095U (en) * | 2012-06-08 | 2012-12-19 | 战仁军 | Barrel-suspended and hand-held dual-purpose laser dazzling device |
| CN204718491U (en) * | 2015-06-16 | 2015-10-21 | 陕西艾利克斯光电科技有限公司 | A kind of carrier-borne laser dazzling device |
| CN204788042U (en) * | 2015-07-09 | 2015-11-18 | 李宏昌 | Ware is dazzle eyes to anti -riot multi -functional laser of anti -terrorism |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110018565A (en) * | 2019-03-19 | 2019-07-16 | 北京工业大学 | A kind of method and apparatus improving ultrafast laser light beam focusing capability |
| CN110018565B (en) * | 2019-03-19 | 2021-10-01 | 北京工业大学 | Method and device for improving focusing capacity of ultrafast laser beam |
| DE102019002600A1 (en) * | 2019-04-09 | 2020-10-15 | Bundesrepublik Deutschland, vertr. durch das Bundesministerium der Verteidigung, vertr. durch das Bundesamt für Ausrüstung, Informationstechnik und Nutzung der Bundeswehr | Glare and irritation device |
| DE102019002600B4 (en) | 2019-04-09 | 2022-07-07 | Bundesrepublik Deutschland, vertr. durch das Bundesministerium der Verteidigung, vertr. durch das Bundesamt für Ausrüstung, Informationstechnik und Nutzung der Bundeswehr | Glare and irritation device |
| CN112815780A (en) * | 2021-01-15 | 2021-05-18 | 江苏亮点光电研究有限公司 | Laser dazzling optical system |
| CN113310356A (en) * | 2021-05-27 | 2021-08-27 | 江苏亮点光电研究有限公司 | Light spot self-adaptive laser dazzler and control method thereof |
| CN113608348A (en) * | 2021-08-13 | 2021-11-05 | 江苏亮点光电研究有限公司 | Optical galvanometer transmitting device of laser -mesh device |
| CN115242305A (en) * | 2022-09-21 | 2022-10-25 | 鹏城实验室 | Light beam divergence angle control method, laser emission system, terminal and storage medium |
| CN115242305B (en) * | 2022-09-21 | 2023-02-17 | 鹏城实验室 | Light beam divergence angle control method, laser emission system, terminal and storage medium |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20190115 Address after: 528437 Torch Development Zone, Zhongshan City, Guangdong Province Applicant after: Shengliang Intelligent Technology (Zhongshan) Co., Ltd. Address before: 518000 New Material Port, No. 2 Changyuan New Material Port, High-tech Middle Road, Yuehai Street, Nanshan District, Shenzhen City, Guangdong Province, 9 buildings and 10 floors Applicant before: Shenzhen new bright Intelligent Technology Co., Ltd. |
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| TA01 | Transfer of patent application right | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180807 |
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| RJ01 | Rejection of invention patent application after publication |