CN104882777A - Multi-wavelength laser in-cavity element switching system - Google Patents
Multi-wavelength laser in-cavity element switching system Download PDFInfo
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- CN104882777A CN104882777A CN201510318898.1A CN201510318898A CN104882777A CN 104882777 A CN104882777 A CN 104882777A CN 201510318898 A CN201510318898 A CN 201510318898A CN 104882777 A CN104882777 A CN 104882777A
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- positioning runner
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- wavelength laser
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Abstract
The invention relates to a multi-wavelength laser in-cavity element switching system. An industrial control computer is in control connection with a stepping motor through a trigger, the stepping motor is in driving connection with a transmission system, element modules are arranged in a positioning slide groove, the transmission system is in transmission connection with the element modules to drive the element modules to move in the positioning slide groove, the element modules include a workpiece element, an element mount, and a connecting base, the work element is arranged on the element mount through an adjusting mechanism, the element mount is fixed on the connecting base, the connecting base is connected with the transmission system, the positioning slide groove is arranged at the bottom of a laser cavity, and the two side surfaces of the positioning slide groove are provided with bayonets. The fundamental frequency light in different wavelength can be output by switching the front and rear mirrors of a resonant cavity, so that the utilization rate is high; an automatic switching multiplication frequency element can realize the free conversion of fundamental frequency/multiplication frequency light, so that the manual operation is greatly simplified; and element modules in the cavity are compact in layout, the movement is controllable, and single-window output is realized.
Description
Technical field
The present invention relates to element switched system in a kind of multiple-wavelength laser chamber, belong to laser multi-wavelength equipment technology field.
Background technology
Multiple-wavelength laser is all the output adopting frequency doubling non-linear's crystal technology to realize multiwavelength laser in the market, but need the position of manual adjustments frequency-doubling crystal to realize multi-wavelength, and the wavelength of basic frequency laser is relatively fixing, even if it is also few to cause forming its kind of multi-wavelength.Such as patent CN1300122A discloses a kind of all solid state multiple-wavelength laser, and this laser can export multiwavelength laser, but the adjustment of frequency-doubling crystal needs artificial intervention, and often dismounting laser causes shorten its useful life; Patent CN101854018A discloses the laser of the automatic adjusting wavelength of a kind of energy, and utilize the rotation realization of gear to the absorption of light or release, the method causes the waste of laser energy and basic frequency laser is unique, and the multiwavelength laser quantity of realization is few; Patent CN102539322A discloses a kind of Multi-wavelength laser optical path automatic lens changing system, and system carrys out placing element according to the distance of window, and adopt gear-driven mode to realize element and switch, the too huge utilance of this system is not high; Patent CN201057619Y discloses the wavelength switch that a kind of laser uses, relation between device is long according to rocking lever also controls frequency-doubling crystal by motor, but this only achieves freely switching between wavelength, still not high for automatization level total system, subsequent operation is loaded down with trivial details.
Summary of the invention
The object of the invention is the deficiency overcoming prior art existence, element switched system in a kind of multiple-wavelength laser chamber is provided, the laser of different wave length can be exported efficiently.
Object of the present invention is achieved through the following technical solutions:
Element switched system in multiple-wavelength laser chamber, feature is: comprise component module, positioning runner, drive system, stepping motor, trigger and industrial computer, industrial computer is connected with step motor control by trigger, stepping motor is connected with transmission system drives, component module is placed in positioning runner, drive system and component module are in transmission connection, and component module can be driven to move in positioning runner;
Described component module comprises operation element, element fixed mount and is connected base, operation element is installed on element fixed mount by governor motion, operation element can regulate up and down on element fixed mount, the position of operation element and direction is made to meet the propagation requirement of light beam, element central and beam center coincide, element fixed mount is fixed on and connects on base, connects base and is connected with drive system, and the drive system band base that is dynamically connected moves in positioning runner;
Described positioning runner is arranged on bottom laser cavity, the two sides of positioning runner are provided with bayonet socket, adjacent bayonet socket spacing is consistent with the connection base length of component module, and during component module motion, bayonet socket shrinks, and component module moves to bayonet socket when requiring position and stretches out and retaining element module.
Further, element switched system in above-mentioned multiple-wavelength laser chamber, wherein, described operation element is laser beam transformation wavelength elements.
Further, element switched system in above-mentioned multiple-wavelength laser chamber, wherein, described operation element is plated film lens or frequency-doubling crystal.
Further, element switched system in above-mentioned multiple-wavelength laser chamber, wherein, described drive system is cog belt transmission mechanism or lead-screw drive mechanism.
Again further, element switched system in above-mentioned multiple-wavelength laser chamber, wherein, described drive system is installed on bottom positioning runner.
Again further, element switched system in above-mentioned multiple-wavelength laser chamber, wherein, the shape of described positioning runner is rectangle or U-shaped.
The substantive distinguishing features that technical solution of the present invention is outstanding and significant progress are mainly reflected in:
1. the modularized design of switched system of the present invention is reasonable, and the front and rear mirror switching resonant cavity can export the fundamental frequency light of different wave length, and utilization rate is high;
2. automation switches frequency multiplication element and realizes fundamental frequency/frequency doubled light and freely transform, and enormously simplify manual operation process;
3. realize the output of multiple fundamental frequency and frequency-doubled wavelength laser, switch very convenient, range of application is extremely extensive.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, technical solution of the present invention is described further:
Fig. 1: the structural representation of present system;
Fig. 2: the structural representation of positioning runner;
Fig. 3: operation element is the component module schematic diagram of plated film lens
Fig. 4: operation element is the component module schematic diagram of frequency-doubling crystal.
Embodiment
Adopt pulsed solid stale laser, optionally export the laser such as fundamental frequency 1064nm/1319nm, two frequency multiplication 532nm/660nm, frequency tripling 355nm/440nm, quadruple 266nm/330nm.
As shown in Figure 1 and Figure 2, element switched system in multiple-wavelength laser chamber, comprise component module, positioning runner, drive system 12, stepping motor 3, trigger 2 and industrial computer 1, industrial computer 1 is by trigger 2 and stepping motor 3 control connection, stepping motor 3 drives with drive system 12 and is connected, drive system 12 is cog belt transmission mechanism or lead-screw drive mechanism, component module is placed in positioning runner, drive system 12 and component module are in transmission connection, and component module can be driven to move in positioning runner.Switched system is before laser-impact, and industrial computer sends instruction, and trigger triggers stepping motor work, and stepping motor drives drive system work, and drive system drives component module to move in chute and stops in the position set.
As Fig. 3, shown in Fig. 4, component module comprises operation element, element fixed mount 15 be connected base 14, the each class component of operation element involved by laser beam transformation wavelength, operation element is plated film lens or frequency-doubling crystal, operation element is installed on element fixed mount 15 by governor motion, operation element can regulate up and down on element fixed mount 15, the position of operation element and direction is made to meet the propagation requirement of light beam, element central and beam center coincide, element fixed mount 15 is fixed on and connects on base 14, connect base 14 to be connected with drive system 12, drive system 12 is with the base 14 that is dynamically connected to move in positioning runner.
Positioning runner is arranged on bottom laser cavity, the two sides of positioning runner are provided with bayonet socket 13, adjacent bayonet socket spacing is consistent with the connection base length of component module, and during component module motion, bayonet socket shrinks, and component module moves to bayonet socket when requiring position and stretches out and retaining element module.The shape of positioning runner is rectangle or U-shaped, installs drive system bottom positioning runner.Specifically there are rear resonator mirror positioning runner 4, front resonator mirror positioning runner 7, two frequency-doubling crystal positioning runner 8, frequency tripling crystal positioning runner 9, quadruple frequency crystal positioning runner 10, output lens orientation chute 11.
In rear resonator mirror positioning runner 4, front resonator mirror positioning runner 7, output lens orientation chute 11, the operation element of component module is plated film lens 16; In two frequency-doubling crystal positioning runners 8, frequency tripling crystal positioning runner 9, quadruple frequency crystal positioning runner 10, the operation element of component module is frequency-doubling crystal 17.
Embodiment 1: fundamental frequency 1064nm/1319nm wavelength pulsed laser exports
As shown in figures 1-4, before bright dipping, industrial computer 1 sends instruction, trigger 2 triggers stepping motor 3 and moves, stepping motor 3 drives drive system 12 to move, drive system 12 can be cog belt transmission mechanism or lead-screw drive mechanism, drive each connection base respectively at rear resonator mirror positioning runner 4, front resonator mirror positioning runner 7, two frequency-doubling crystal positioning runners 8, frequency tripling crystal positioning runner 9, quadruple frequency crystal positioning runner 10, move in output lens orientation chute 11, now bayonet socket 13 upwards opens the movement not stoping and connect base, rear resonator mirror positioning runner 4, front resonator mirror positioning runner 7, in output lens orientation chute 11, the operation element of component module is plated film lens 16, to realize the output of 1064nm/1319nm wavelength laser, then the component module being coated with the plated film lens that is all-trans of 1064nm/1319nm is moved in rear resonator mirror positioning runner 4 dead astern of laser crystal 5, the component module being coated with the 20% transmission film eyeglass of 1064nm/1319nm is moved in front resonator mirror positioning runner 7 dead ahead of laser crystal 5, the dead ahead of laser crystal 5 is provided with Q switching 6, the component module being coated with the high transmittance film eyeglass of 1064nm/1319nm is moved to light-emitting window in output lens orientation chute 11, two frequency-doubling crystal positioning runners 8, frequency tripling crystal positioning runner 9, in quadruple frequency crystal positioning runner 10, frequency-doubling crystal moves away working light path, bayonet socket 13 falls and fixes, laser works exports 1064nm/1319nm wavelength laser.
Embodiment 2: two frequency multiplication 532nm/660nm wavelength pulsed laser exports
As shown in figures 1-4, before bright dipping, industrial computer 1 sends instruction, trigger 2 triggers stepping motor 3 and moves, stepping motor 3 drives drive system 12 to move, drive system 12 can be cog belt transmission or lead screw transmission, drive each connection base respectively at rear resonator mirror positioning runner 4, front resonator mirror positioning runner 7, two frequency-doubling crystal positioning runners 8, frequency tripling crystal positioning runner 9, quadruple frequency crystal positioning runner 10, move in output lens orientation chute 11, now bayonet socket 13 upwards opens the movement not stoping and connect base, rear resonator mirror positioning runner 4, front resonator mirror positioning runner 7, in output lens orientation chute 11, the operation element of component module is plated film lens 16, to realize the output of 532nm/660nm wavelength laser, then the component module being coated with the film glass that is all-trans of 532nm/660nm is moved in rear resonator mirror positioning runner 4 dead astern of laser crystal 5, the component module being coated with the 20% transmission film eyeglass of 532nm/660nm is moved in front resonator mirror positioning runner 7 dead ahead of laser crystal 5, the component module being coated with the high transmittance film eyeglass of 532nm/660nm is moved to light-emitting window in output lens orientation chute 11, two frequency-doubling crystal block motion corresponding in two frequency-doubling crystal positioning runners 8 are in light path, frequency tripling crystal positioning runner 9, frequency multiplication element is made to move away working light path in frequency tripling crystal positioning runner 10, bayonet socket 13 falls and fixes, laser works exports 532nm/660nm wavelength laser.
Embodiment 3: frequency tripling 355nm/440nm wavelength pulsed laser exports
As shown in figures 1-4, before bright dipping, industrial computer 1 sends instruction, trigger 2 triggers stepping motor 3 and moves, stepping motor 3 drives drive system 12 to move, drive system 12 can be cog belt transmission or lead screw transmission, drive each connection base respectively at rear resonator mirror positioning runner 4, front resonator mirror positioning runner 7, two frequency-doubling crystal positioning runners 8, frequency tripling crystal positioning runner 9, quadruple frequency crystal positioning runner 10, move in output lens orientation chute 11, now bayonet socket 13 upwards opens the movement not stoping and connect base, rear resonator mirror positioning runner 4, front resonator mirror positioning runner 7, the operation element of the component module in output lens orientation chute 11 is plated film lens 16, to realize the output of 355nm/440nm wavelength laser, then the component module being coated with the film glass that is all-trans of 355nm/440nm is moved in rear resonator mirror positioning runner 4 dead astern of laser crystal 5, the component module being coated with the 20% transmission film eyeglass of 355nm/440nm is moved in front resonator mirror positioning runner 7 dead ahead of laser crystal 5, the component module being coated with the high transmittance film eyeglass of 355nm/440nm is moved to light-emitting window in output lens orientation chute 11, two frequency-doubling crystal positioning runners 8, two frequency-doubling crystal modules corresponding in frequency tripling crystal positioning runner 9 and frequency tripling crystal module move in light path, frequency multiplication element is made to move away working light path in quadruple frequency crystal positioning runner 10, bayonet socket 13 falls and fixes, laser works exports 355nm/440nm wavelength laser.
Embodiment 4: quadruple 266nm/330nm wavelength pulsed laser exports
As shown in figures 1-4, before bright dipping, industrial computer 1 sends instruction, trigger 2 triggers stepping motor 3 and moves, stepping motor 3 drives drive system 12 to move, drive system 12 can be cog belt transmission or lead screw transmission, drive each connection base respectively at rear resonator mirror positioning runner 4, front resonator mirror positioning runner 7, two frequency-doubling crystal positioning runners 8, frequency tripling crystal positioning runner 9, quadruple frequency crystal positioning runner 10, move in output lens orientation chute 11, now bayonet socket 13 upwards opens the movement not stoping and connect base, rear resonator mirror positioning runner 4, front resonator mirror positioning runner 7, the operation element of the component module in output lens orientation chute 11 is plated film lens 16, to realize the output of 266nm/330nm wavelength laser, then the component module being coated with the film glass that is all-trans of 266nm/330nm is moved in rear resonator mirror positioning runner 4 dead astern of laser crystal 5, the component module being coated with the 20% transmission film eyeglass of 266nm/330nm is moved in front resonator mirror positioning runner 7 dead ahead of laser crystal 5, the component module being coated with the high transmittance film eyeglass of 266nm/330nm is moved to light-emitting window in output lens orientation chute 11, two frequency-doubling crystal positioning runners 8, two frequency-doubling crystal modules corresponding in quadruple frequency crystal positioning runner 10 and quadruple frequency crystal block motion are in light path, frequency multiplication element is made to move away working light path in frequency tripling crystal positioning runner 9, bayonet socket 13 falls and fixes, laser works exports 266nm/330nm wavelength laser.
In sum, the modularized design of switched system of the present invention is reasonable, and the front and rear mirror switching resonant cavity can export the fundamental frequency light of different wave length, and utilization rate is high; Automation switching frequency multiplication element realizes fundamental frequency/frequency doubled light and freely transforms, and enormously simplify manual operation process; Component module compact in design in chamber, moves controlled, can realize single window and export, save space.Realize the output of multiple fundamental frequency and frequency-doubled wavelength laser, switch very convenient, the scope of application is extremely extensive.
It is to be understood that: the above is only the preferred embodiment of the present invention; for those skilled in the art; under the premise without departing from the principles of the invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (6)
1. element switched system in multiple-wavelength laser chamber, it is characterized in that: comprise component module, positioning runner, drive system, stepping motor, trigger and industrial computer, industrial computer is connected with step motor control by trigger, stepping motor is connected with transmission system drives, component module is placed in positioning runner, drive system and component module are in transmission connection, and component module can be driven to move in positioning runner;
Described component module comprises operation element, element fixed mount and is connected base, operation element is installed on element fixed mount by governor motion, operation element can regulate up and down on element fixed mount, the position of operation element and direction is made to meet the propagation requirement of light beam, element central and beam center coincide, element fixed mount is fixed on and connects on base, connects base and is connected with drive system, and the drive system band base that is dynamically connected moves in positioning runner;
Described positioning runner is arranged on bottom laser cavity, the two sides of positioning runner are provided with bayonet socket, adjacent bayonet socket spacing is consistent with the connection base length of component module, and during component module motion, bayonet socket shrinks, and component module moves to bayonet socket when requiring position and stretches out and retaining element module.
2. element switched system in multiple-wavelength laser chamber according to claim 1, is characterized in that: described operation element is laser beam transformation wavelength elements.
3. element switched system in multiple-wavelength laser chamber according to claim 1 and 2, is characterized in that: described operation element is plated film lens or frequency-doubling crystal.
4. element switched system in multiple-wavelength laser chamber according to claim 1, is characterized in that: described drive system is cog belt transmission mechanism or lead-screw drive mechanism.
5. element switched system in the multiple-wavelength laser chamber according to claim 1 or 4, is characterized in that: described drive system is installed on bottom positioning runner.
6. element switched system in multiple-wavelength laser chamber according to claim 1, is characterized in that: the shape of described positioning runner is rectangle or U-shaped.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510318898.1A CN104882777A (en) | 2015-06-11 | 2015-06-11 | Multi-wavelength laser in-cavity element switching system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510318898.1A CN104882777A (en) | 2015-06-11 | 2015-06-11 | Multi-wavelength laser in-cavity element switching system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106684691A (en) * | 2015-11-09 | 2017-05-17 | 中国科学院大连化学物理研究所 | Intracavity third harmonic generation composite cavity |
| CN109167243A (en) * | 2017-10-30 | 2019-01-08 | 武汉奇致激光技术股份有限公司 | A kind of control system and control method for optical maser wavelength switching |
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| JP2000252570A (en) * | 1999-02-26 | 2000-09-14 | Shimadzu Corp | Wavelength converting solid-state laser device |
| CN2919614Y (en) * | 2006-03-31 | 2007-07-04 | 中国科学院长春光学精密机械与物理研究所 | Automatic advance and retreat device of wavelength converting element in optical cavity resonator |
| CN101854018A (en) * | 2010-05-14 | 2010-10-06 | 江苏大学 | Laser capable of automatically adjusting wavelength |
| CN204118463U (en) * | 2014-09-29 | 2015-01-21 | 广州安特激光技术有限公司 | A kind of wavelength of 1064nm and the 532nm based on rectilinear translation freely switches output laser |
| CN204633121U (en) * | 2015-06-11 | 2015-09-09 | 温州大学 | Element switched system in multiple-wavelength laser chamber |
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2015
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Patent Citations (6)
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| US5315433A (en) * | 1991-02-28 | 1994-05-24 | Fuji Photo Film Co., Ltd. | Optical wavelength converting apparatus |
| JP2000252570A (en) * | 1999-02-26 | 2000-09-14 | Shimadzu Corp | Wavelength converting solid-state laser device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106684691A (en) * | 2015-11-09 | 2017-05-17 | 中国科学院大连化学物理研究所 | Intracavity third harmonic generation composite cavity |
| CN106684691B (en) * | 2015-11-09 | 2019-11-12 | 中国科学院大连化学物理研究所 | A kind of Compound Cavity of intracavitary frequency tripling |
| CN109167243A (en) * | 2017-10-30 | 2019-01-08 | 武汉奇致激光技术股份有限公司 | A kind of control system and control method for optical maser wavelength switching |
| CN109167243B (en) * | 2017-10-30 | 2020-07-07 | 武汉奇致激光技术股份有限公司 | Control system and control method for laser wavelength switching |
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