CN204205279U - A kind of 2.79um erbium laser sound state that is used for switches and warbled device - Google Patents
A kind of 2.79um erbium laser sound state that is used for switches and warbled device Download PDFInfo
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- CN204205279U CN204205279U CN201420707120.0U CN201420707120U CN204205279U CN 204205279 U CN204205279 U CN 204205279U CN 201420707120 U CN201420707120 U CN 201420707120U CN 204205279 U CN204205279 U CN 204205279U
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Abstract
The utility model discloses a kind of for the switching of 2.79um erbium laser sound state and warbled device, include laser bar, multiple pumping system is provided with around laser bar, laser bar front end is provided with output cavity sheet, laser bar rear end is disposed with Q-switch, be all-trans chamber sheet, also comprise motor, circular baffle plate, master controller, motor driver, optocoupler, the rotor of motor is fixedly connected with baffle center, baffle part stretches between Q-switch and laser bar rear end, in baffle plate, bias has two round tube holes, in one of them round tube hole, the eyeglass that is all-trans is installed, optocoupler accesses master controller and is arranged on baffle plate side, motor driver input access master controller, output is electrically connected with encoder on motor.The utility model can increase substantially the output energy of laser in a static condition, and in the constant situation modulated laser output frequency of Laser output energy.
Description
Technical field
The utility model relates to field of laser devices, and specifically a kind of 2.79um erbium laser sound state that is used for switches and warbled device.
Background technology
The erbium laser of 2.79 mum wavelengths has important application in fields such as biologic medical, scientific research, military affairs.Because water and hydroxyapatite are to effective absorption of this wavelength laser, the accurate cutting of the tissues such as cornea, tooth and bone can be used it for or melt, the burst pulse of nanosecond greatly can reduce the fire damage of laser to surrounding tissue, and improve cutting precision, the desirable medical laser source being a kind of accurate cutting or melting.In addition, 2.79 μm of pulse lasers of high-peak power, high pulse energy can also be used as the pumping source of optical parametric oscillator, to obtain the enough strong mid-infrared laser of 3-12 μm, there is important application in fields such as remote Atmospheric Survey, detection of poison gas, electrooptical countermeasuress.Therefore, develop 2.79 μm of burst pulses, high-octane laser technology and lasers and there is important using value.
Due to electro-optical Q-switch rely on high, the switching speed of its efficiency fast, stablize the advantage such as controlled and play irreplaceable effect.The suitable infrared electrooptic crystal of current discovery only has callium-lanthanum silicate crystal (LGS), but the electro-optic coefficient of LGS crystal is little, needs the logical light length increasing crystal to reduce the requirement to 1/4 wave voltage.But increase crystal length and can increase cavity loss, significantly reduce the Laser output energy of laser under quiescent operation condition.In addition along with the raising of pump energy and repetition rate, serious thermal effect can be there is in laser inside, affect the output characteristic of laser, need to compensate the thermal effect of laser, but the laser system after compensating can affect the output characteristic under low frequency operation condition.
utility model contentthe purpose of this utility model is to provide a kind of switching and warbled device for 2.79um erbium laser sound state, to solve prior art 2.79um erbium laser device tune Q Problems existing.
In order to achieve the above object, the technical scheme that the utility model adopts is:
A kind of 2.79um erbium laser sound state that is used for switches and warbled device, it is characterized in that: include laser bar, multiple pumping system is provided with around laser bar, straight line front, laser bar front end is provided with output cavity sheet, straight line rear, laser bar rear end is disposed with Q-switch, be all-trans chamber sheet, also comprise motor, circular baffle plate, master controller, motor driver, optocoupler, described motor powers on and has access to encoder, the rotor of motor is fixedly connected with baffle center, described baffle plate plate face is perpendicular to laser bar, the straight line that Q-switch is formed, and baffle part stretches between Q-switch and laser bar rear end, in baffle plate eccentric have two can respectively with flapper to the round tube hole be centrally located between Q-switch and laser bar rear end, two round tube hole diameters are identical, and two round tube holes are identical with radial distance between baffle center, in one of them round tube hole, the eyeglass that is all-trans is installed, another round tube hole is left a blank, described optocoupler access master controller, and optocoupler is arranged on baffle plate side near edge placement, described motor driver input access master controller, motor drive outputs is electrically connected with encoder on motor.
Described one is used for 2.79um erbium laser sound state and switches and warbled device, and it is characterized in that: also comprise Laser Power Devices, described Laser Power Devices are electrically connected with master controller, and Laser Power Devices supply power to pumping system.
The utility model can increase substantially the output energy of laser in a static condition, and in the constant situation modulated laser output frequency of Laser output energy.
The utility model beneficial effect is compared with prior art:
1, the utility model detects the position of baffle plate by optocoupler, and optocoupler is by the Signal transmissions that collects to master controller, and according to the position detected, master controller sends signal, makes the rotation of encoder control motor, stopping and rotating speed through motor driver.
2, the utility model has two identical circular holes of diameter in baffle plate, and center of circular hole is on laser optical path, total reflective mirror is placed in a circular hole position wherein, implement device sound state switches, in the position emptying of another one circular hole, implement device is exporting the constant situation modulated laser output frequency of energy.
Accompanying drawing explanation
Fig. 1 is the utility model structural principle block diagram.
Fig. 2 is the utility model baffle plate front view.
Embodiment
As Fig. 1, shown in Fig. 2, a kind of 2.79um erbium laser sound state that is used for switches and warbled device, include laser bar 5, multiple pumping system 4 is provided with around laser bar 5, straight line front, laser bar 5 front end is provided with output cavity sheet 6, straight line rear, laser bar 5 rear end is disposed with Q-switch 2, be all-trans chamber sheet 1, also comprise motor 8, circular baffle plate 3, master controller 10, motor driver 11, optocoupler 9, motor 8 powers on and has access to encoder, the rotor of motor 8 is fixedly connected with baffle plate 3 center, baffle plate 3 plate face is perpendicular to laser bar 5, the straight line that Q-switch 2 is formed, and baffle plate 3 part stretches between Q-switch 2 and laser bar 5 rear end, in baffle plate 3 eccentric have two can respectively with flapper to the round tube hole be centrally located between Q-switch and laser bar rear end, two round tube hole diameters are identical, and two round tube holes are identical with radial distance between baffle center, in one of them round tube hole, the eyeglass 12 that is all-trans is installed, another round tube hole is left a blank, optocoupler 9 accesses master controller 10, and optocoupler 9 is arranged on baffle plate 3 side near edge placement, motor driver 11 input access master controller 10, motor driver 11 output is electrically connected with encoder on motor 8.
Also comprise Laser Power Devices 7, Laser Power Devices 7 are electrically connected with master controller 10, and Laser Power Devices 7 supply power to pumping system 4.
The utility model is made up of the chamber sheet 1 that is all-trans, Q-switch 2, baffle plate 3, pumping system 4, laser bar 5, output cavity sheet 6, Laser Power Devices 7, rotor and encoder 8, optocoupler 9, master controller 10 and driver 11.Rotor is connected with baffle plate and baffle plate is rotated perpendicular to laser optical path; On baffle plate, have two circular holes that diameter is identical around the shaft equally spacedly, center of circular hole is on laser optical path; The eyeglass that is all-trans is placed in one of them circular hole position, leaves a blank in another one circular hole position; Laser Power Devices provide electric flux for pumping system, have the effect of the co-ordinations such as control pump pumping system, Q-switch; Master controller sends instruction, rotates through driver drives motor, and optocoupler detects the position of baffle plate, when the eyeglass that is all-trans above baffle plate is in laser optical path, system exports static laser, and controller sends signal controlling Laser Power Devices, by preset parameter Output of laser; When circular hole of leaving a blank above baffle plate is in laser optical path, now Q-switch participation work, the output Q-switched laser of system; Optocoupler is by the Signal transmissions that collects to master controller, and according to the position detected, master controller sends signal, makes encoder control the rotation of motor, stopping and rotating speed through driver; When needs carry out frequency error factor, laser is worked under the operating frequency of the best, master controller is made to send the rotating speed of signal through driver control encoder control motor, to make baffle plate, copped wave is carried out to laser, work under lower operating frequency to realize laser, and do not affect the output pulse energy of laser.The utility model has simultaneously and controls dynamic Laser and reduce cavity loss when switching to static state to carry high power output, in features such as the constant situation modulated laser output frequencies of output energy.
Claims (2)
1. one kind switches and warbled device for 2.79um erbium laser sound state, it is characterized in that: include laser bar, multiple pumping system is provided with around laser bar, straight line front, laser bar front end is provided with output cavity sheet, straight line rear, laser bar rear end is disposed with Q-switch, be all-trans chamber sheet, also comprise motor, circular baffle plate, master controller, motor driver, optocoupler, described motor powers on and has access to encoder, the rotor of motor is fixedly connected with baffle center, described baffle plate plate face is perpendicular to laser bar, the straight line that Q-switch is formed, and baffle part stretches between Q-switch and laser bar rear end, in baffle plate eccentric have two can respectively with flapper to the round tube hole be centrally located between Q-switch and laser bar rear end, two round tube hole diameters are identical, and two round tube holes are identical with radial distance between baffle center, in one of them round tube hole, the eyeglass that is all-trans is installed, another round tube hole is left a blank, described optocoupler access master controller, and optocoupler is arranged on baffle plate side near edge placement, described motor driver input access master controller, motor drive outputs is electrically connected with encoder on motor.
2. one according to claim 1 is used for the switching of 2.79um erbium laser sound state and warbled device, and it is characterized in that: also comprise Laser Power Devices, described Laser Power Devices are electrically connected with master controller, and Laser Power Devices supply power to pumping system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420707120.0U CN204205279U (en) | 2014-11-22 | 2014-11-22 | A kind of 2.79um erbium laser sound state that is used for switches and warbled device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420707120.0U CN204205279U (en) | 2014-11-22 | 2014-11-22 | A kind of 2.79um erbium laser sound state that is used for switches and warbled device |
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| CN204205279U true CN204205279U (en) | 2015-03-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420707120.0U Active CN204205279U (en) | 2014-11-22 | 2014-11-22 | A kind of 2.79um erbium laser sound state that is used for switches and warbled device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111106522A (en) * | 2019-12-16 | 2020-05-05 | 中国科学院合肥物质科学研究院 | Device for switching dynamic and static output of dual-mode erbium laser |
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2014
- 2014-11-22 CN CN201420707120.0U patent/CN204205279U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111106522A (en) * | 2019-12-16 | 2020-05-05 | 中国科学院合肥物质科学研究院 | Device for switching dynamic and static output of dual-mode erbium laser |
| CN111106522B (en) * | 2019-12-16 | 2024-03-26 | 中国科学院合肥物质科学研究院 | Device for switching dynamic and static output of dual-mode erbium laser |
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