CN203951027U - Laser control system and laser - Google Patents
Laser control system and laser Download PDFInfo
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- CN203951027U CN203951027U CN201420344649.0U CN201420344649U CN203951027U CN 203951027 U CN203951027 U CN 203951027U CN 201420344649 U CN201420344649 U CN 201420344649U CN 203951027 U CN203951027 U CN 203951027U
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Abstract
The utility model discloses a kind of Laser Control System and laser, described laser comprises Laser Control System and laser framework, laser framework protecgulum, laser framework bonnet, wedge-shaped mirrors, reflecting prism, diaphragm plate, polarizer, completely reflecting mirror unit, beam expanding lens, beam expanding lens upper cover, outgoing mirror unit, Nd:YAG crystal and radiator; Laser of the present utility model is divided into two parts by diaphragm plate by the inside of described laser, and in described pump unit component side, it is the larger side of described laser internal heat generation amount, outside radiator and fan that employing is arranged at described laser framework dispel the heat to described laser, make the small volume of described laser, and by the air-cooled water-cooled of having replaced, the radiator leak always having existed while having overcome water-cooled, cooling water fluidity be poor causes the critical failures such as heat radiation is not enough, has improved the reliability of system.
Description
Technical field
The utility model relates to a kind of Laser Control System and laser.
Background technology
Development high-performance laser to improving China's instrumentation Development Level, promote my army's fighting capacity and there is very major and immediate significance.Laser invention is over 50 years, and military requirement leads the development of laser technology always.A laser weight drops to 3 kilograms by 25 kilograms, power consumption declines 5 times, and it is the technology leap across the epoch that all technical also has lifting, originally weight equipment that can only be vehicle-mounted, after weight reducing, can be applied to fighter plane, helicopter, unmanned plane, telecar, even individual soldier carries, and high-performance laser technology has determined the form of future war.
High-performance laser is in the critical period of technology leap at present.High-performance laser pump mode just changes semiconductor pumping sources into by traditional xenon flash lamp pumping source, and efficiency of laser is brought up to 10% left and right by 1-2%, can accomplish that thus frequency is higher, and energy is larger, and volume is less, and weight is lighter.
The above laser of 20Hz is equipped product and still be take at present water-cooled as main, is limited to size, weight, applies laser more limited on guided missile, aircraft, even if application also has a lot of restrictions, can bring problems.Therefore the laser guidance laser before is not contained on bullet, on aircraft, on bullet or on aircraft, only has detector, take passive laser guidance and drive and restraint laser guidance as main.The domestic high target of the above laser of 20Hz is 5.5kg, is still in laboratory stage, far can not meet practical application request.Main Bottleneck is thermal design and the highly reliable design under Miniaturization Design, harsh and unforgiving environments.
Utility model content
It is little that the utility model object is to provide a kind of volume, without water-cooled, and the high laser of reliability, and a kind of Laser Control System is also provided.
The utility model technical solution problem adopts following technical scheme: a kind of Laser Control System, comprises controller, adjusts Q driver module, semiconductor cooler driver module, fan-driving module, diode laser matrix driver module, heater-driven module, Q switching, semiconductor cooler, fan, diode laser matrix and heating resistor;
Described tune Q driver module, semiconductor cooler driver module, fan-driving module, diode laser matrix driver module and heater-driven module divide level signal to be connected in described controller;
Described tune Q driver module circuit is connected to described Q switching;
Described semiconductor cooler driver module circuit is connected to described semiconductor cooler;
Described fan-driving module circuit is connected to described fan;
Described diode laser matrix driver module circuit is connected to described diode laser matrix;
Described heater-driven modular circuit is connected to described heating resistor.
Optionally, described Laser Control System also comprises the first power supply and laser diode driver; Described the first power circuit is connected to described controller, tune Q driver module, semiconductor cooler driver module, fan-driving module and heater-driven module, and described laser diode driver circuit is connected to described diode laser matrix driver module.
The utility model technical solution problem also adopts following technical scheme: a kind of laser, comprises aforesaid Laser Control System.
The utlity model has following beneficial effect: laser of the present utility model is divided into two parts by diaphragm plate by the inside of described laser, and in described pump unit component side, it is the larger side of described laser internal heat generation amount, outside radiator and fan that employing is arranged at described laser framework dispel the heat to described laser, make the small volume of described laser, and by the air-cooled water-cooled of having replaced, the radiator leak always having existed while having overcome water-cooled, cooling water fluidity be poor causes the critical failures such as heat radiation is not enough, has improved the reliability of system.
Accompanying drawing explanation
Fig. 1 is the structural representation of Laser Control System of the present utility model;
Fig. 2 is the structural representation of laser of the present utility model;
Fig. 3 is another schematic diagram of structure of laser of the present utility model;
Fig. 4 is the light path schematic diagram of laser of the present utility model;
In figure, mark is illustrated as: 101-controller; 102-adjusts Q driver module; 103-semiconductor cooler driver module; 104-fan-driving module; 105-diode laser matrix driver module; 106-heater-driven module; 107-the first power supply; 108-laser diode driver; 1-laser framework; 2-laser framework protecgulum; 3-laser framework bonnet; 4-wedge-shaped mirrors; 5-reflecting prism; 6-diaphragm plate; 7-polarizer; 8-Q switch; 9-completely reflecting mirror unit; 10-beam expanding lens; 11-beam expanding lens upper cover; 12-outgoing mirror unit; 13-Nd:YAG crystal; 14-pump unit; 15-radiator; 16-fan; 17-diode laser matrix; 18-semiconductor cooler; 19-heating resistor.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the technical solution of the utility model is further elaborated.
Embodiment 1
With reference to figure 1, the present embodiment provides a kind of Laser Control System, comprises controller 101, adjusts Q driver module 102, semiconductor cooler driver module 103, fan-driving module 104, diode laser matrix driver module 105, heater-driven module 106, Q switching 8, semiconductor cooler 18, fan 16, diode laser matrix 17 and heating resistor 19;
Described tune Q driver module 102, semiconductor cooler driver module 103, fan-driving module 104, diode laser matrix driver module 105 and 106 minutes level signals of heater-driven module are connected in described controller 101;
Described tune Q driver module 101 circuit are connected to described Q switching 8;
Described semiconductor cooler driver module 103 circuit are connected to described semiconductor cooler 18;
Described fan-driving module 104 circuit are connected to described fan 16;
Described diode laser matrix driver module 105 circuit are connected to described diode laser matrix 17;
Described heater-driven module 106 circuit are connected to described heating resistor 19.
In the present embodiment, optional, described Laser Control System also comprises the first power supply 107 and laser diode driver 108; Described the first power supply 107 circuit are connected to described controller 101, adjust Q driver module 102, semiconductor cooler driver module 103, fan-driving module 104 and heater-driven module 106, and described laser diode driver 108 circuit are connected to described diode laser matrix driver module 105.
Embodiment 2
With reference to figure 2-4, the present embodiment provides a kind of laser, comprises aforesaid Laser Control System.
In the present embodiment, optionally, described laser also comprises laser framework 1, laser framework protecgulum 2, laser framework bonnet 3, wedge-shaped mirrors 4, reflecting prism 5, diaphragm plate 6, polarizer 7, completely reflecting mirror unit 9, beam expanding lens 10, beam expanding lens upper cover 11, outgoing mirror unit 12, Nd:YAG crystal 13 and radiator 15;
The common formation pump unit 14 of described diode laser matrix 17, semiconductor cooler 18 and heating resistor 19;
Described laser framework protecgulum 2 and laser framework bonnet 3 are fixed on described laser framework 1 both sides by screw respectively;
The cuboid framework of described laser framework 1 for being formed by upper side wall, lower wall, front side wall and rear wall, the laser beam transmit direction that the length direction of described cuboid framework is described laser;
Described wedge-shaped mirrors 4 and reflecting prism 5 are all arranged on described rear wall, and described wedge-shaped mirrors 4 is arranged in described laser framework 1, and described reflecting prism 5 is arranged at outside described laser framework 1;
Described diaphragm plate 6 is parallel to described laser beam transmit direction and is vertically arranged in described laser framework 1, and described laser framework 1 is divided into two parts;
Described polarizer 7 and Q switching 8 are arranged on described diaphragm plate 6; Described completely reflecting mirror unit 9 is arranged on described front side wall, and is positioned at described laser framework; Described polarizer 7, Q switching 8, completely reflecting mirror unit 9 and described wedge-shaped mirrors 4 are all positioned at the same side of described diaphragm plate 6, and on same straight line;
Described beam expanding lens 10 is arranged on described front side wall, and is positioned at outside described laser framework 1;
Described beam expanding lens upper cover 11 is arranged at one end of described beam expanding lens 10, with when described beam expanding lens upper cover 11 is covered to the one end at described beam expanding lens 10, closes described beam expanding lens 10; And when described beam expanding lens upper cover 11 is removed from one end of described beam expanding lens 10, open described beam expanding lens 10;
Described Nd:YAG crystal 13 and outgoing mirror unit 12 are arranged on described diaphragm plate 6, and described Nd:YAG crystal 13 and outgoing mirror unit 12 be positioned at the same side of described diaphragm plate 6, and with described polarizer 7 not in described diaphragm plate 6 the same sides;
Described pump unit 14 is arranged on described laser framework bonnet 3, and is positioned at described laser framework 1;
Described radiator 15 is arranged on described laser framework bonnet 3, and is positioned at outside described laser framework 1;
Described fan 16 is arranged on described radiator 15.
Laser of the present utility model is divided into two parts by diaphragm plate 6 by the inside of described laser, and in described pump unit 14 component side, it is the larger side of described laser internal heat generation amount, outside radiator 15 and 16 pairs of described lasers of fan that employing is arranged at described laser framework 1 dispel the heat, make the small volume of described laser, and by the air-cooled water-cooled of having replaced, the radiator leak always having existed while having overcome water-cooled, cooling water fluidity be poor causes the critical failures such as heat radiation is not enough, has improved the reliability of system.
In the present embodiment, optional, described pump unit comprises diode laser matrix (Laser Diode Array) 17, heating resistor and semiconductor cooler 18; Described diode laser matrix 17 is fixed on described laser framework bonnet 3, described heating resistor and semiconductor cooler 18 are arranged between described diode laser matrix 17 and described laser framework bonnet 3, to realize the light source of described laser by described diode laser matrix, adopt semiconductor pumped mode, make the efficiency of laser bring up to 10% left and right, and the life-span of described diode laser matrix is long, also solved the difficult problem that other pump lasers need to regularly replace LASER Light Source; Further, adopt the described semiconductor pumped repetition rate of laser that also makes higher, energy is larger, and volume is less, and weight is lighter; And by adopting described semiconductor cooler, because the volume of described semiconductor cooler is little, lightweight, also make the volume and weight of laser have minimizing, and semiconductor refrigerating has also overcome water-cooled and has had that radiator leak, cooling water fluidity are poor causes the critical failures such as heat radiation is not enough always, and the memory cycle was brought up to more than 5 years from 3-6 month.
The parts such as described completely reflecting mirror unit 9, outgoing mirror unit 12 and reflecting prism 5 form the resonant cavity of laser, between described completely reflecting mirror unit 9 and outgoing mirror unit 12, arrange the reflecting prism of resonant optical path deflection 5, described reflecting prism 5 plays the effect of fold resonator, thereby can dwindle the volume of described laser; Distance between described outgoing mirror unit 12 and reflecting prism 5 is 135mm, and the distance between completely reflecting mirror unit 9 and reflecting prism 5 is 130mm.The overall length of described resonant cavity is 265mm.In described resonant cavity, introduce wedge-shaped mirrors 4, the alignment error between compensation completely reflecting mirror unit 9 and outgoing mirror unit 12.The polarizer 7 and the Q switching 8 that in resonant cavity, arrange, realize electric-optically Q-switched.
The crystal of described Q switching 8 is LiNbO
3crystal, adopts ripe LiNbO
3crystal electric light Q-regulating technique is the key that system realizes.Can guarantee that pulsewidth is stable, energy stabilization, and there is decisive action for system effectiveness, beam quality.
Describedly electric-optically Q-switchedly refer to that laser becomes linearly polarized light after polarizer 7.If making alive not on the crystal of Q switching 8, the direction of vibration of linearly polarized light that comes and goes the crystal by Q switching 8 is constant.So while having voltage on the crystal of Q switching 8, light beam can not pass through in resonant cavity, resonant cavity is in low Q state.Due to dynamic excitation effect, upper energy level population just increases sharply.When the voltage on the crystal of Q switching 8 is removed suddenly, light beam can freely pass through resonant cavity, and now resonant cavity is in high Q state of value, thereby produces laser pulse.
Described beam expanding lens upper cover 11 plays protection beam expanding lens 10.Beam expanding lens 10 has two purposes: the diameter of first expanded beam; It two is the angles of divergence that reduce laser beam.
The end face of described semiconductor cooler 18 is arranged on described laser framework bonnet 3, and combines by semiconductor refrigerating and air blast cooling, and assurance pump unit 14 is stably worked, and especially, when hot environment is worked, can provide metastable ambient temperature.
The sequencing of above embodiment only, for ease of describing, does not represent the quality of embodiment.
Finally it should be noted that: above embodiment only, in order to the technical solution of the utility model to be described, is not intended to limit; Although the utility model is had been described in detail with reference to previous embodiment, those of ordinary skill in the art is to be understood that: its technical scheme that still can record aforementioned each embodiment is modified, or part technical characterictic is wherein equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution depart from the spirit and scope of each embodiment technical scheme of the utility model.
Claims (3)
1. a Laser Control System, it is characterized in that, comprise controller, adjust Q driver module, semiconductor cooler driver module, fan-driving module, diode laser matrix driver module, heater-driven module, Q switching, semiconductor cooler, fan, diode laser matrix and heating resistor;
Described tune Q driver module, semiconductor cooler driver module, fan-driving module, diode laser matrix driver module and heater-driven module divide level signal to be connected in described controller;
Described tune Q driver module circuit is connected to described Q switching;
Described semiconductor cooler driver module circuit is connected to described semiconductor cooler;
Described fan-driving module circuit is connected to described fan;
Described diode laser matrix driver module circuit is connected to described diode laser matrix;
Described heater-driven modular circuit is connected to described heating resistor.
2. Laser Control System according to claim 1, is characterized in that, also comprises the first power supply and laser diode driver; Described the first power circuit is connected to described controller, tune Q driver module, semiconductor cooler driver module, fan-driving module and heater-driven module, and described laser diode driver circuit is connected to described diode laser matrix driver module.
3. a laser, is characterized in that, comprises the Laser Control System described in claim 1 or 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420344649.0U CN203951027U (en) | 2014-06-25 | 2014-06-25 | Laser control system and laser |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420344649.0U CN203951027U (en) | 2014-06-25 | 2014-06-25 | Laser control system and laser |
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| CN203951027U true CN203951027U (en) | 2014-11-19 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105243949A (en) * | 2015-11-09 | 2016-01-13 | 河南平原光电有限公司 | Semiconductor laser device information field simulator |
| CN106129804A (en) * | 2016-04-11 | 2016-11-16 | 无锡亮源激光技术有限公司 | A kind of Semiconductor Laser Irradiation source apparatus |
| CN109449728A (en) * | 2018-12-29 | 2019-03-08 | 深圳市杰普特光电股份有限公司 | Pulsed optical fibre laser all-in-one machine |
| CN112255741A (en) * | 2020-09-10 | 2021-01-22 | 武汉华工正源光子技术有限公司 | 25G CWDM optical module based on one-way heating |
-
2014
- 2014-06-25 CN CN201420344649.0U patent/CN203951027U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105243949A (en) * | 2015-11-09 | 2016-01-13 | 河南平原光电有限公司 | Semiconductor laser device information field simulator |
| CN106129804A (en) * | 2016-04-11 | 2016-11-16 | 无锡亮源激光技术有限公司 | A kind of Semiconductor Laser Irradiation source apparatus |
| CN109449728A (en) * | 2018-12-29 | 2019-03-08 | 深圳市杰普特光电股份有限公司 | Pulsed optical fibre laser all-in-one machine |
| CN112255741A (en) * | 2020-09-10 | 2021-01-22 | 武汉华工正源光子技术有限公司 | 25G CWDM optical module based on one-way heating |
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