CN204118462U - A kind of 1064nm and 532nm wavelength rotated based on prism freely switches output laser - Google Patents
A kind of 1064nm and 532nm wavelength rotated based on prism freely switches output laser Download PDFInfo
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- CN204118462U CN204118462U CN201420569885.2U CN201420569885U CN204118462U CN 204118462 U CN204118462 U CN 204118462U CN 201420569885 U CN201420569885 U CN 201420569885U CN 204118462 U CN204118462 U CN 204118462U
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Abstract
The utility model discloses a kind of 1064nm and 532nm wavelength rotated based on prism and freely switch output laser, comprise 1064nm wavelength resonant cavity, 532nm wavelength resonant cavity, pump module for generation of laser, the rotary-type wavelength free switching system of the prism that the laser exported for making pump module switches between 1064nm wavelength resonant cavity and 532nm wavelength resonant cavity, and the rotary-type output unit of prism being arranged at 1064nm wavelength resonant cavity and the 355nm wavelength resonant cavity port of export.The utility model can change output wavelength as required with satisfied processing diversity, have that optical coupled is simple, compact conformation, thermal effect are little and relatively evenly, the advantage such as shg efficiency is high, laser stability is good.
Description
Technical field
The utility model relates to field of laser device technology, and more particularly, particularly a kind of 1064nm and 532nm wavelength rotated based on prism freely switches output laser.
Background technology
Laser processing technology is as one of advanced manufacturing technology, and play an important role in Transform of Traditional Industrial Equipment, process technology innovation, informatization on nation defence etc., laser is described as " omnipotent machining tool ", the common manufacturing process of future manufacturing systems.Such as in recent years, the 1064nm infrared laser system of processing of the cutting of the metal materials such as sheet metal, stainless steel, aluminium alloy plate, carbide alloy, mark, punching is widely used in; And recent years rise the 532nm green laser system of processing for materials such as potsherd, glass, pcb board, solar battery sheets gradually.
But current most of laser exports if it were not for single wavelength, such as, patent " a kind of 532nm green (light) laser (CN201320703515.9) " etc., that dual wavelength exports simultaneously, as patent " red green double wave length laser " (CN02117364.8) etc., freely can not switch and select a certain wavelength to export, even if there is the laser selecting wavelength to export also to be that several wavelength Fen Ji road exports respectively at present simultaneously, be equivalent to several lasers use simultaneously, as patent " two 532nm and the 808nm long wavelength fiber laser of a kind of anemobiagraph three-polar output " (CN201320659650.8) etc., a rod multi-wavelength export technique cannot be realized, laser application is got up more loaded down with trivial details, be unfavorable for the application at industrialization scene.
Therefore, be necessary to study the laser that a kind of 1064nm and 532 freely switches, output wavelength can be changed as required, meet the multifarious needs of processing.
Utility model content
The purpose of this utility model is to provide a kind of output wavelength that can change as required freely to switch output laser with multifarious 1064nm and the 532nm wavelength rotated based on prism of satisfied processing.
In order to achieve the above object, the technical solution adopted in the utility model is as follows:
A kind of 1064nm and 532nm wavelength rotated based on prism freely switches output laser, comprise 1064nm wavelength resonant cavity, 532nm wavelength resonant cavity, pump module for generation of laser, the rotary-type wavelength free switching system of the prism that the laser exported for making pump module switches between 1064nm wavelength resonant cavity and 532nm wavelength resonant cavity, and the rotary-type output unit of prism being arranged at 1064nm wavelength resonant cavity and the 355nm wavelength resonant cavity port of export.
Preferably, also comprise the total reflective mirror being arranged at pump module side, and the harmonic wave mirror set gradually, the first outgoing mirror, the optical axis of described total reflective mirror is parallel with the optical axis of the light path that the first outgoing mirror is formed with harmonic wave mirror, and described 532nm wavelength resonant cavity is the resonant cavity be made up of total reflective mirror, harmonic wave mirror and the first outgoing mirror.
Preferably, also comprise the second outgoing mirror, the optical axis of described second outgoing mirror is mutually vertical with the optical axis of total reflective mirror, and described 1064nm wavelength resonant cavity is the resonant cavity be made up of total reflective mirror and the second outgoing mirror.
Preferably, also comprise the multiplier unit be arranged between harmonic wave mirror and the first outgoing mirror, this multiplier unit is a frequency-doubling crystal.
Preferably, the rotary-type wavelength free switching system of described prism comprises the first right-angle prism being arranged at pump module opposite side, and the rotating power source driving described first right-angle prism to rotate, described rotating power source switches with the laser making pump module export for driving the first right-angle prism to rotate between 1064nm wavelength resonant cavity and 532nm wavelength resonant cavity.
Preferably, described pump module comprises pumping source and crystal, described pumping source and Crystallization laser diode-side-pumped modular organization, and is also provided with Q switching between pump module and total reflective mirror.
Preferably, the rotary-type output unit of described prism comprises the second right-angle prism, and this second right-angle prism is also connected with the clutch end of rotating power source.
Preferably, described rotating power source is motor or hydraulic motor.
Preferably, also comprise the first speculum be arranged between the first right-angle prism and harmonic wave mirror, be arranged at the second speculum between the first outgoing mirror and the second right-angle prism, be set in turn in the 3rd speculum between the second outgoing mirror and the second right-angle prism and the 4th speculum.
Preferably, described total reflective mirror is level crossing, and its right side is coated with 1064nm high-reflecting film; The two sides of described Q switching is all coated with 1064nm anti-reflection film; Described harmonic wave mirror is level crossing, and its right side is coated with 1064 anti-reflection films, and the left side is coated with 1064nm high transmittance film and 532nm high-reflecting film; The two sides of described frequency-doubling crystal is all coated with 1064nm and 532nm anti-reflection film; Described first outgoing mirror is level crossing, and its two sides is all coated with the high anti-and 532nm high transmittance film of 1064nm; Described second outgoing mirror is level crossing, and its two sides is all coated with the 1064nm permeable membrane that transmitance is 30%; The two sides of described first right-angle prism and the second right-angle prism is all coated with 1064nm, 532nm high-reflecting film; The reflecting surface of described first speculum, the 3rd speculum and the 4th speculum is all coated with 1064nm high-reflecting film; The reflecting surface of described second speculum is coated with 532nm high-reflecting film.
Compared with prior art, the utility model has the advantage of: the utility model can change output wavelength as required with satisfied processing diversity, have that optical coupled is simple, compact conformation, thermal effect are little and relatively evenly, the advantage such as shg efficiency is high, laser stability is good.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the schematic diagram that 1064nm and the 532nm wavelength rotated based on prism described in the utility model freely switches output laser.
Fig. 2 is that 1064nm and the 532nm wavelength rotated based on prism described in the utility model freely switches the schematic diagram that output laser is in 1064nm wavelength resonant cavity.
Fig. 3 is that 1064nm and the 532nm wavelength rotated based on prism described in the utility model freely switches the schematic diagram that output laser is in 532nm wavelength resonant cavity.
Description of reference numerals: 1, total reflective mirror, 2, Q switching, 3, pumping source, 4, crystal, the 5, first right-angle prism, the 6, first speculum, 7, harmonic wave mirror, 8, frequency-doubling crystal, the 9, first outgoing mirror, 10, the second speculum, 11, the second right-angle prism, the 12, second outgoing mirror, the 13, the 3rd speculum, 14, the 4th speculum, 15, rotating power source.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described in detail, to make advantage of the present utility model and feature can be easier to be readily appreciated by one skilled in the art, thus more explicit defining is made to protection range of the present utility model.
Consult shown in Fig. 1, the utility model provides a kind of 1064nm and 532nm wavelength rotated based on prism freely to switch output laser, comprise 1064nm wavelength resonant cavity, 532nm wavelength resonant cavity, pump module for generation of laser, the rotary-type wavelength free switching system of the prism that the laser exported for making pump module switches between 1064nm wavelength resonant cavity and 532nm wavelength resonant cavity, and the rotary-type output unit of prism being arranged at 1064nm wavelength resonant cavity and the 355nm wavelength resonant cavity port of export.
Concrete, laser of the present utility model also comprises the total reflective mirror 1 being arranged at pump module side, and harmonic wave mirror 7, first outgoing mirror 9 set gradually, the optical axis of described total reflective mirror 1 is parallel with the optical axis of the light path that the first outgoing mirror 9 is formed with harmonic wave mirror 7, and described 532nm wavelength resonant cavity is the resonant cavity be made up of total reflective mirror 1, harmonic wave mirror 7 and the first outgoing mirror 9.And laser also comprises the second outgoing mirror 12, the optical axis of the second described outgoing mirror 12 is mutually vertical with the optical axis of total reflective mirror 1, and described 1064nm wavelength resonant cavity is the resonant cavity be made up of total reflective mirror 1 and the second outgoing mirror 12.
Concrete, laser of the present utility model also comprises the multiplier unit be arranged between harmonic wave mirror 7 and the first outgoing mirror 9, and this multiplier unit is a frequency-doubling crystal 8.
Concrete, the rotary-type wavelength free switching system of prism described in the utility model comprises the first right-angle prism 5 being arranged at pump module opposite side, and the rotating power source 15 driving described first right-angle prism 5 to rotate, described rotating power source 15 switches between 1064nm wavelength resonant cavity and 532nm wavelength resonant cavity for the laser driving the first right-angle prism 5 and rotate to make pump module export.
Concrete, the pump module described in the utility model comprises pumping source 3 and crystal 4, and described pumping source 3 and crystal 4 form laser diode-side-pumped modular organization, and are also provided with Q switching 2 between pump module and total reflective mirror 1.
Concrete, the rotary-type output unit of the prism described in the utility model comprises the second right-angle prism 11, and this second right-angle prism 11 is also connected with the clutch end of rotating power source 15.
As preferably, described rotating power source 15 is motor or hydraulic motor, and the present embodiment is preferably motor.
Concrete, laser of the present utility model also comprises the first speculum 6 be arranged between the first right-angle prism 5 and harmonic wave mirror 7, be arranged at the second speculum 10 between the first outgoing mirror and the second right-angle prism 11, be set in turn in the 3rd speculum 13 between the second outgoing mirror 12 and the second right-angle prism 11 and the 4th speculum 14.
The operation principle that 1064nm and the 532nm wavelength rotated based on prism of the present utility model freely switches output laser is: the pump light produced by pumping source 3 carries out profile pump to crystal 4, the 1064nm wavelength laser that crystal 4 is launched is when first right-angle prism 5 (reflecting surface is downward and optical axis is at 45 °), the downward direction of vertical original optical path is sent to by half-twist, laser generation is in the 1064nm wavelength resonant cavity be made up of completely reflecting mirror 1 and the second outgoing mirror 12 (as shown in Figure 2), pulse laser is produced under the modulating action of Q switching 2, and export 1064nm laser by the second outgoing mirror 12, export through the 3rd speculum 13 and the 4th speculum 14 and the second right-angle prism 11 (reflecting surface downwards and optical axis at 45 °) again.When laser need export 532nm Ultra-Violet Laser time, rotate the first right-angle prism 5 and the second right-angle prism 11 by rotating power source 15 (motor), make the first right-angle prism 5 and the second right-angle prism 11 reflecting surface upwards at 45 ° with optical axis; The 1064nm laser that crystal 4 is launched is after the first right-angle prism 5 reflects, and laser vertical original optical path direction is upwards transmitted.The 1064nm wavelength laser that crystal 4 is launched is by the first right-angle prism 5, first speculum 6, harmonic wave mirror 7, frequency-doubling crystal 8, after nonlinear frequency transformation, obtain 532nm green glow, then export (as shown in Figure 3) through the first outgoing mirror 9, second speculum 10 and the second right-angle prism 11.
As preferably, the total reflective mirror 1 described in the present embodiment is level crossing, and its right side is coated with 1064nm high-reflecting film; The two sides of described Q switching 2 is all coated with 1064nm anti-reflection film, and the supersonic frequency 27.12MHz of Q switching 2, radio-frequency power 50W; Because pumping source 3 and crystal 4 adopt laser diode-side-pumped module, its peak power output 58W, whole assembly adopts three equally spaced pumping laser diode arrays, triangle is installed and equidistantly arranges the bar-shaped Nd:YAG crystal of pumping, laser crystal bar is of a size of Φ 4X97mm, doping content 0.8%, centre wavelength 1064nm, crystal 4 two sides plating 1064nm anti-reflection film; Described harmonic wave mirror 7 is level crossing, and its right side is coated with 1064 anti-reflection films, and the left side is coated with 1064nm high transmittance film and 532nm high-reflecting film; The two sides of described frequency-doubling crystal 8 is all coated with 1064nm and 532nm anti-reflection film, and frequency-doubling crystal 8 adopts the ktp crystal of II type-Ⅱphase matching, and KTP is of a size of 4x4x10mm, cutting angle (θ=90 °, Φ=23.5 °); The first described outgoing mirror 9 is level crossing, and its two sides is all coated with the high anti-and 532nm high transmittance film of 1064nm; The second described outgoing mirror 12 is level crossing, and its two sides is all coated with the 1064nm permeable membrane that transmitance is 30%; The first described right-angle prism 5 and the two sides of the second right-angle prism 11 are all coated with 1064nm, 532nm high-reflecting film; The reflecting surface of the first described speculum 6, the 3rd speculum 13 and the 4th speculum 14 is all coated with 1064nm high-reflecting film; The reflecting surface of the second described speculum 10 is coated with 532nm high-reflecting film.
The advantage that 1064nm and the 532nm wavelength rotated based on prism of the present utility model freely switches output laser is: the frame mode 1, adopting profile pump, intracavity frequency doubling, directly chamber, have optical coupled simply, the feature such as compact conformation, thermal effect are little and relatively more even, shg efficiency is high, laser stability is good; And the number of pumping source is relative with the surface area of laser bar proportional, simply can increases the length of working-laser material and pumping source quantity to improve power output, make the power output of laser high.2,1064nm and 532nm two wavelength adopted, are wavelength the most widely in current laser processing application, can meet the cutting of the metal materials such as sheet metal, stainless steel, aluminium alloy plate, carbide alloy, mark, punching; And the cutting of the nonmetallic materials such as potsherd, glass, pcb board, solar battery sheet, boring; Be integrated with the process equipment that this dual wavelength freely switches output laser, a 1064nm infrared laser process equipment of equaling over adds the function of a 532nm green glow process equipment, two wavelength export coaxial, the optical system that such process equipment adopts only needs a set of, price will reduce greatly, reduce the production space of hold facility simultaneously.Particularly in 1064nm and 355nm Application of composite field, workpiece is once installed, and just can complete a few procedure, decreasing manufacturing procedure without the need to reorientating, and reduces the production time, increases work efficiency.3, adopt motor rotating prism as the core component of the switched system of wavelength unrestricted choice, by the motion of motor rotating prism, laser is made to select one in 1064nm outgoing mirror and frequency-doubling crystal unit, thus make laser generation in 1064nm wavelength resonant cavity or 532nm wavelength resonant cavity, the laser of corresponding output corresponding wavelength, realize a rod multi-wavelength export technique, laser application is got up more convenient, be conducive to the application at industrialization scene, meet the diversity needs of processing.4, laser switches by driven by motor rotating prism selection wavelength, does not need the relevant components and parts of the laser light splitting for different wave length, reduces the link affecting power loss, improve power output.
Although describe execution mode of the present utility model by reference to the accompanying drawings; but patent owner can make various distortion or amendment within the scope of the appended claims; as long as be no more than the protection range described by claim of the present utility model, all should within protection range of the present utility model.
Claims (10)
1. 1064nm and the 532nm wavelength rotated based on prism freely switches output laser, it is characterized in that: comprise 1064nm wavelength resonant cavity, 532nm wavelength resonant cavity, pump module for generation of laser, the rotary-type wavelength free switching system of the prism that the laser exported for making pump module switches between 1064nm wavelength resonant cavity and 532nm wavelength resonant cavity, and the rotary-type output unit of prism being arranged at 1064nm wavelength resonant cavity and the 355nm wavelength resonant cavity port of export.
2. 1064nm and the 532nm wavelength rotated based on prism according to claim 1 freely switches output laser, it is characterized in that: also comprise the total reflective mirror (1) being arranged at pump module side, and the harmonic wave mirror (7) set gradually, the first outgoing mirror (9), the optical axis of described total reflective mirror (1) is parallel with the optical axis of the light path that the first outgoing mirror (9) is formed with harmonic wave mirror (7), and described 532nm wavelength resonant cavity is the resonant cavity be made up of total reflective mirror (1), harmonic wave mirror (7) and the first outgoing mirror (9).
3. 1064nm and the 532nm wavelength rotated based on prism according to claim 2 freely switches output laser, it is characterized in that: also comprise the second outgoing mirror (12), the optical axis of described second outgoing mirror (12) is mutually vertical with the optical axis of total reflective mirror (1), and described 1064nm wavelength resonant cavity is the resonant cavity be made up of total reflective mirror (1) and the second outgoing mirror (12).
4. 1064nm and the 532nm wavelength rotated based on prism according to claim 3 freely switches output laser, it is characterized in that: also comprise the multiplier unit be arranged between harmonic wave mirror (7) and the first outgoing mirror (9), this multiplier unit is a frequency-doubling crystal (8).
5. 1064nm and the 532nm wavelength rotated based on prism according to claim 4 freely switches output laser, it is characterized in that: the rotary-type wavelength free switching system of described prism comprises the first right-angle prism (5) being arranged at pump module opposite side, and the rotating power source (15) driving described first right-angle prism (5) to rotate, described rotating power source (15) switches with the laser making pump module export for driving the first right-angle prism (5) to rotate between 1064nm wavelength resonant cavity and 532nm wavelength resonant cavity.
6. 1064nm and the 532nm wavelength rotated based on prism according to claim 5 freely switches output laser, it is characterized in that: described pump module comprises pumping source (3) and crystal (4), described pumping source (3) and crystal (4) form laser diode-side-pumped modular organization, and are also provided with Q switching (2) between pump module and total reflective mirror (1).
7. 1064nm and the 532nm wavelength rotated based on prism according to claim 6 freely switches output laser, it is characterized in that: the rotary-type output unit of described prism comprises the second right-angle prism (11), this second right-angle prism (11) is also connected with the clutch end of rotating power source (15).
8. 1064nm and the 532nm wavelength rotated based on prism according to claim 7 freely switches output laser, it is characterized in that: described rotating power source (15) is motor or hydraulic motor.
9. 1064nm and the 532nm wavelength rotated based on prism according to claim 7 freely switches output laser, it is characterized in that: also comprise the first speculum (6) be arranged between the first right-angle prism (5) and harmonic wave mirror (7), be arranged at the second speculum (10) between the first outgoing mirror and the second right-angle prism (11), be set in turn in the 3rd speculum (13) between the second outgoing mirror (12) and the second right-angle prism (11) and the 4th speculum (14).
10. 1064nm and the 532nm wavelength rotated based on prism according to claim 9 freely switches output laser, it is characterized in that: described total reflective mirror (1) is level crossing, and its right side is coated with 1064nm high-reflecting film; The two sides of described Q switching (2) is all coated with 1064nm anti-reflection film; Described harmonic wave mirror (7) is level crossing, and its right side is coated with 1064 anti-reflection films, and the left side is coated with 1064nm high transmittance film and 532nm high-reflecting film; The two sides of described frequency-doubling crystal (8) is all coated with 1064nm and 532nm anti-reflection film; Described first outgoing mirror (9) is level crossing, and its two sides is all coated with the high anti-and 532nm high transmittance film of 1064nm; Described second outgoing mirror (12) is level crossing, and its two sides is all coated with the 1064nm permeable membrane that transmitance is 30%; The two sides of described first right-angle prism (5) and the second right-angle prism (11) is all coated with 1064nm, 532nm high-reflecting film; The reflecting surface of described first speculum (6), the 3rd speculum (13) and the 4th speculum (14) is all coated with 1064nm high-reflecting film; The reflecting surface of described second speculum (10) is coated with 532nm high-reflecting film.
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| CN201420569885.2U CN204118462U (en) | 2014-09-29 | 2014-09-29 | A kind of 1064nm and 532nm wavelength rotated based on prism freely switches output laser |
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| CN201420569885.2U CN204118462U (en) | 2014-09-29 | 2014-09-29 | A kind of 1064nm and 532nm wavelength rotated based on prism freely switches output laser |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108767651A (en) * | 2018-08-08 | 2018-11-06 | 深圳市吉斯迪科技有限公司 | A kind of medical Double Pulses Q-Switch Laser of achievable zlasing mode switching |
| CN110265859A (en) * | 2019-05-30 | 2019-09-20 | 中国科学院长春光学精密机械与物理研究所 | A kind of laser output optics resonator device |
| CN108767651B (en) * | 2018-08-08 | 2024-04-30 | 深圳市吉斯迪科技有限公司 | Medical double-pulse Q-switched laser capable of realizing laser mode switching |
-
2014
- 2014-09-29 CN CN201420569885.2U patent/CN204118462U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108767651A (en) * | 2018-08-08 | 2018-11-06 | 深圳市吉斯迪科技有限公司 | A kind of medical Double Pulses Q-Switch Laser of achievable zlasing mode switching |
| CN108767651B (en) * | 2018-08-08 | 2024-04-30 | 深圳市吉斯迪科技有限公司 | Medical double-pulse Q-switched laser capable of realizing laser mode switching |
| CN110265859A (en) * | 2019-05-30 | 2019-09-20 | 中国科学院长春光学精密机械与物理研究所 | A kind of laser output optics resonator device |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150121 Termination date: 20170929 |