CN104242034A - Laser capable of free switching of 1064nm and 355nm wavelength output on basis of liquid-crystal variable phase delayer - Google Patents
Laser capable of free switching of 1064nm and 355nm wavelength output on basis of liquid-crystal variable phase delayer Download PDFInfo
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- CN104242034A CN104242034A CN201410512918.4A CN201410512918A CN104242034A CN 104242034 A CN104242034 A CN 104242034A CN 201410512918 A CN201410512918 A CN 201410512918A CN 104242034 A CN104242034 A CN 104242034A
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Abstract
The invention discloses a laser capable of free switching of 1064nm and 355nm wavelength output on the basis of a liquid-crystal variable phase delayer. The laser comprises a 1064nm wavelength resonance cavity, 355nm wavelength resonance cavity, a pumping module used for generating laser light, a liquid-crystal variable phase delayer type wavelength free switching system used for switching the laser light generated by the pumping module between the 1064nm wavelength resonance cavity and the 355nm wavelength resonance cavity and output units arranged at outlet ends of the 1064nm wavelength resonance cavity and the 355nm wavelength resonance cavity. According to needs, output wavelength is changed so as to meet processing diversity, and the laser has the advantages of simplicity in optical coupling, compact structure, small heat effect, uniformity, high frequency doubling, high stability and the like.
Description
Technical field
The present invention relates to field of laser device technology, more particularly, particularly a kind of 1064nm and 355nm wavelength based on LC variable phase delay device 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 gradually for the cutting of nonmetallic materials, the 355nm ultraviolet laser machining systems of boring such as LED display, mobile phone faceplate, liquid crystal panel, pottery, glass, pcb board, solar battery sheets.
But current most of laser exports if it were not for single wavelength, such as, patent " a kind of all solid state 355nm laser (CN201310389409.2) " etc., that dual wavelength exports simultaneously, as patent " red green double wave length laser " (CN02117364.8) etc., freely can not switch and select the output of a certain wavelength or Double wavelength to export simultaneously, 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, 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 355nm freely switches, output wavelength can be changed as required, meet the multifarious needs of processing.
Summary of the invention
A kind of output wavelength that can change as required is the object of the present invention is to provide freely to switch output laser with multifarious 1064nm and the 355nm wavelength based on LC variable phase delay device of satisfied processing.
In order to achieve the above object, the technical solution used in the present invention is as follows:
A kind of 1064nm and 355nm wavelength based on LC variable phase delay device freely switches output laser, comprise 1064nm wavelength resonant cavity, 355nm wavelength resonant cavity, pump module for generation of laser, for the LC variable phase delay type wavelength free switching system that the laser produced by pump module switches between 1064nm wavelength resonant cavity and 355nm wavelength resonant cavity, and be arranged at the output unit of 1064nm wavelength resonant cavity and the 355nm wavelength resonant cavity port of export.
Preferably, also comprise total reflective mirror and outgoing mirror, the optical axis of described total reflective mirror and the optical axis of outgoing mirror have an angle, and described 1064nm wavelength resonant cavity is the resonant cavity be made up of total reflective mirror and outgoing mirror.
Preferably, also comprise the refrative mirror and concave mirror that set gradually, the optical axis of light path that described refrative mirror and concave mirror are formed and the optical axis of total reflective mirror have an angle, and described 355nm wavelength resonant cavity is the resonant cavity be made up of total reflective mirror and concave mirror.
Preferably, the shape of described 355nm wavelength resonant cavity is v-shaped structure.
Preferably, also comprise the multiplier unit be located between refrative mirror and concave mirror, described multiplier unit comprises the two times of crystal and three times of crystal that set gradually, the optical axis conllinear of the light path that the optical axis of the light path that described two times of crystal and three times of crystal are formed and refrative mirror and concave mirror are formed.
Preferably, described LC variable phase delay type wavelength free switching system is located at the outlet side of total reflective mirror, comprise the polarizer, LC variable phase delay device and the polarization splitting prism that set gradually, the optical axis of light path that the described polarizer and LC variable phase delay device are formed and the light path conllinear of total reflective mirror, the described polarizer is for generation of a line S polarised light, and described LC variable phase delay device is used for according to loaded voltage modulated polarisation of light to produce S polarised light, S+P polarised light or P polarised light; LC variable phase delay device at non-on-load voltage time, produce S polarised light, LC variable phase delay device at on-load voltage time, produce P polarised light or S+P polarised light; And when LC variable phase delay device produces S polarised light, this S polarised light exports in 1064nm wavelength resonant cavity through polarization splitting prism and produces 1064nm wavelength laser, when LC variable phase delay device produces P polarised light, this P polarised light exports in 355nm wavelength resonant cavity through polarization splitting prism and produces 355nm wavelength laser, when LC variable phase delay device produces S+P polarised light, this S+P polarised light exports in 1064nm wavelength resonant cavity and 355nm wavelength resonant cavity through polarization splitting prism and produces 1064nm wavelength laser and 355nm wavelength laser respectively.
Preferably, described pump module comprises pumping source and crystal, and described pumping source and crystal are located at input side and the outlet side of total reflective mirror respectively, are also provided with coupling unit between described pumping source and total reflective mirror, and described coupling unit comprises two coupling mirrors.
Preferably, the Q switching be located between crystal and the polarizer is also comprised.
Preferably, described output unit comprises speculum and 45 ° short logical sheets, described speculum is used for 1064nm laser reflection to the 45 ° short logical sheet that exported by outgoing mirror, and described 45 ° short logical sheets are used for 1064nm laser that output reflector reflects or/and for exporting the 355nm wavelength laser that refrative mirror exports.
Preferably, the two sides of described coupling mirror is all coated with 808nm anti-reflection film; Described total reflective mirror is level crossing, and its left side is coated with 808nm anti-reflection film, and the right side is coated with 808nm and 1064nm high-reflecting film; The two sides of described crystal is all coated with 1064nm anti-reflection film; The two sides of described compensator is all coated with 1064nm anti-reflection film; Three of described polarization splitting prism are all coated with 1064nm anti-reflection film; Described refrative mirror is plano-concave mirror, and its concave curvature radius is 200mm, and its concave surface is coated with 1064nm, 532nm high-reflecting film and 355nm anti-reflection film, and its plane is coated with 355nm high transmittance film; The two-sided of described two times of crystal is all coated with 1064nm, 532nm and 355nm anti-reflection film; The two-sided of described three times of crystal is all coated with 1064nm, 532nm and 355nm anti-reflection film; The concave curvature radius of described concave mirror is 50mm, and its concave surface is coated with 1064nm, 532nm and 355nm high-reflecting film; The left side of described 45 ° short logical sheets be coated with 1064nm, 532nm high-reflecting film and 355nm anti-reflection, its right side is coated with 1064nm high-reflecting film and 355nm high transmittance film; Described outgoing mirror is flat output mirror, and two sides is all coated with the 1064nm permeable membrane that transmitance is 30%; The reflecting surface of described speculum is coated with 1064nm high-reflecting film.
Compared with prior art, the invention has the advantages that: the present invention 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 feature such as shg efficiency is high, laser stability is good.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention 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 some embodiments of the present invention, 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 355nm wavelength based on LC variable phase delay device of the present invention freely switches output laser.
Fig. 2 is the schematic diagram that 1064nm and the 355nm wavelength based on LC variable phase delay device of the present invention freely switches when output laser is in 1064nm wavelength resonant cavity.
Fig. 3 is the schematic diagram that 1064nm and the 355nm wavelength based on LC variable phase delay device of the present invention freely switches when output laser is in 532nm wavelength resonant cavity.
Description of reference numerals: 1, pumping source, 2, coupling mirror, 3, total reflective mirror, 4, crystal, 5, Q switching, 6, the polarizer, 7, LC variable phase delay device, 8, polarization splitting prism, 9, refrative mirror, 10, two times of crystal, 11, three times of crystal, 12, concave mirror, 13,45 ° short logical sheets, 14, outgoing mirror, 15, speculum.
Embodiment
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are described in detail, can be easier to make advantages and features of the invention be readily appreciated by one skilled in the art, thus more explicit defining is made to protection scope of the present invention.
Consult shown in Fig. 1, the invention provides a kind of 1064nm and 355nm wavelength based on LC variable phase delay device and freely switch output laser, comprise 1064nm wavelength resonant cavity, 355nm wavelength resonant cavity, pump module for generation of laser, for the LC variable phase delay type wavelength free switching system that the laser produced by pump module switches between 1064nm wavelength resonant cavity and 355nm wavelength resonant cavity, and be arranged at the output unit of 1064nm wavelength resonant cavity and the 355nm wavelength resonant cavity port of export.
Concrete, in the present invention, also comprise total reflective mirror 3 and outgoing mirror 14, the optical axis of described total reflective mirror 3 and the optical axis of outgoing mirror 14 have an angle, and described 1064nm wavelength resonant cavity is the resonant cavity be made up of total reflective mirror 3 and outgoing mirror 14.
Concrete, in the present invention, also comprise the refrative mirror 9 and concave mirror 12 that set gradually, the optical axis of light path that described refrative mirror 9 and concave mirror 12 are formed and the optical axis of total reflective mirror 3 have an angle, and described 355nm wavelength resonant cavity is the resonant cavity be made up of total reflective mirror 3 and concave mirror 12.
As preferably, the shape of the 355nm wavelength resonant cavity described in the present embodiment is v-shaped structure.
Concrete, in the present invention, also comprise the multiplier unit be located between refrative mirror 9 and concave mirror 12, described multiplier unit comprises the two times of crystal 10 and three times of crystal 11 that set gradually, the optical axis conllinear of the light path that the optical axis of the light path that described two times of crystal 10 and three times of crystal 11 are formed and refrative mirror 9 and concave mirror 12 are formed.
Concrete, in the present invention, described LC variable phase delay type wavelength free switching system is located at the outlet side of total reflective mirror 3, comprise the polarizer 6, LC variable phase delay device 7 and the polarization splitting prism 8 that set gradually, the optical axis of light path that the described polarizer 6 and LC variable phase delay device 7 are formed and the light path conllinear of total reflective mirror 3, the described polarizer 6 for generation of a line S polarised light, described LC variable phase delay device 7 for according to loaded voltage modulated polarisation of light to produce S polarised light, S+P polarised light or P polarised light, LC variable phase delay device 7 at non-on-load voltage time, produce S polarised light, LC variable phase delay device 7 at on-load voltage time, produce P polarised light or S+P polarised light, and when LC variable phase delay device 7 produces S polarised light, this S polarised light exports in 1064nm wavelength resonant cavity through polarization splitting prism 8 and produces 1064nm wavelength laser, when LC variable phase delay device 7 produces P polarised light, this P polarised light exports in 355nm wavelength resonant cavity through polarization splitting prism 8 and produces 355nm wavelength laser, when LC variable phase delay device 7 produces S+P polarised light, this S+P polarised light exports in 1064nm wavelength resonant cavity and 355nm wavelength resonant cavity through polarization splitting prism 8 and produces 1064nm wavelength laser and 355nm wavelength laser respectively.
Concrete, in the present invention, described pump module comprises pumping source 1 and crystal 4, and described pumping source 1 and crystal 4 are located at input side and the outlet side of total reflective mirror 3 respectively, also be provided with coupling unit between described pumping source 1 and total reflective mirror 3, described coupling unit comprises two coupling mirrors 2.
Concrete, in the present invention, also comprise the Q switching 5 be located between crystal 4 and the polarizer 6.
Concrete, in the present invention, described output unit comprises speculum 15 and 45 ° short logical sheets 13,1064nm laser reflection to the 45 ° short logical sheet 13 of described speculum 15 for being exported by outgoing mirror 14, the 1064nm laser that described 45 ° short logical sheets 13 reflect for output reflector 15 is or/and for exporting the 355nm wavelength laser that refrative mirror 9 exports.
The operation principle that 1064nm and 355nm wavelength based on LC variable phase delay device of the present invention freely switches output laser is: the pump light produced by pumping source 1 (LD) carries out pumping through coupling mirror 2 pairs of crystal 4, light is modulated for generation of pulse laser by Q switching 5, act on through the polarizer 6 again and produce linearly polarized light S (the vertical paper of S polarised light direction of vibration), in not alive situation, linearly polarized light is directly by LC variable phase delay device 7, and polarization direction is constant; After adding alternating voltage, liquid crystal molecule can change default orientation according to the alive root-mean-square value of institute, and therefore, the phase difference of linearly polarized light beam carries out ACTIVE CONTROL by changing added voltage, namely polarisation of light direction changes, and then produces S polarised light or S+P polarised light or P polarised light.
If LC variable phase delay device 7 is in not alive situation, linearly polarized light directly passes through, polarization direction is constant, modulation generates just S polarised light, then be polarized Amici prism 8 total reflection, export 1064nm pulse laser by outgoing mirror 14, more directly export 1064nm laser through the short logical sheet 13 of speculum 15,45 °; If after LC variable phase delay device 7 adds alternating voltage, liquid crystal molecule can change polarization direction according to the alive root-mean-square value of institute, and modulation generates just P polarised light, and P polarised light is completely by polarization splitting prism 8; Total reflective mirror 3, refrative mirror 9 and concave mirror 12 form 355nm wavelength resonant cavity, and under the modulation of Q switching 5, laser is by two times of crystal 10 and three times of crystal 11, obtains 355nm wavelength laser and export from the short logical sheet 13 of refrative mirror 9,45 ° after nonlinear frequency transformation; If after LC variable phase delay device 7 adds alternating voltage, liquid crystal molecule can change polarization direction according to the alive root-mean-square value of institute, modulation generates existing S polarised light again P polarised light, then laser produces two-route wire polarisation through polarization splitting prism 8, after light splitting, S polarised light and P polarised light, respectively along respective optic path, produce 1064nm and 355nm laser respectively.
In the present invention, the wavelength ratio exported in light is determined by LC variable phase delay device 7 making alives, change in voltage can obtain random phase difference, namely different polarization states is obtained, and polarization splitting prism 8 can be divided into two bunch polarisations the light of incidence, wherein P polarised light passes through completely, and S polarised light is totally reflected, whole like this laser just can be modulated by the polarization state of compensator, control exports separately 1064nm infrared laser, or export 355nm Ultra-Violet Laser separately, or two wavelength export simultaneously, and 1064nm infrared laser in laser and 355nm Ultra-Violet Laser ratio adjustable.
As preferably, the power output of the pumping source 1 in the present embodiment is 30W, centre wavelength 808nm; And coupling unit is made up of two coupling mirrors 2 (chip lens), two coupling mirrors 2 are all coated with 808nm anti-reflection film, are focused on by pump light on crystal 4, and magnification ratio is 1:2; Described total reflective mirror 3 is level crossing, and its left side is coated with 808nm anti-reflection film, and the right side is coated with 808nm and 1064nm high-reflecting film; Described crystal 4 adopts Nd:YAG crystal, doping content 0.3%, specification 3X3X10mm, and two sides is all coated with 1064nm anti-reflection film; The supersonic frequency 40.68MHz of described Q switching 5, radio-frequency power 20W, be two-sidedly all coated with 1064nm anti-reflection film; Described LC variable phase delay device 7 can be bought, and is all coated with 1064nm anti-reflection film on the two sides of LC variable phase delay device 7; Three of described polarization splitting prism 8 are all coated with 1064nm anti-reflection film; Described refrative mirror 9 is plano-concave mirror, and its concave curvature radius is 200mm, and its concave surface is coated with 1064nm, 532nm high-reflecting film and 355nm anti-reflection film, and its plane is coated with 355nm high transmittance film.
As preferably, two times of crystal 10 in the present embodiment are lbo crystal, and specification is 3X3X20mm, are two-sidedly all coated with 1064nm, 532nm and 355nm anti-reflection film, adopt the critical phase place matching way of I, cutting angle (θ=90 °, Φ=12 °), three times of crystal 11 specifications are 3X3X15mm, two-sidedly all be coated with 1064nm, 532nm, 355nm anti-reflection film, adopt the critical phase place matching way of II class, cutting angle (θ=43.69 °, Φ=90 °); The left side of described 45 ° short logical sheets 13 be coated with 1064nm, 532nm high-reflecting film and 355nm anti-reflection, its right side is coated with 1064nm high-reflecting film and 355nm high transmittance film; Described outgoing mirror 14 is flat output mirror, and two sides is all coated with the 1064nm permeable membrane that transmitance is 30%; The reflecting surface of described speculum 15 is coated with 1064nm high-reflecting film.
The advantage that 1064nm and 355nm wavelength based on LC variable phase delay device of the present invention freely switches output laser is: the mode 1, adopting end pumping, intracavity frequency doubling, " V " type three mirror fold resonator structure, there is low-power pumping, pump conversion efficiency is high, the loss of resonator is little, two-pass SHG, unidirectional output, the advantages such as frequency translation conversion efficiency is high, volume is little, avoid gain media to the absorption of frequency doubled light simultaneously; 2,1064nm and 355nm 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 LED display, mobile phone faceplate, liquid crystal panel, pottery, glass, pcb board, solar battery sheet, boring, be integrated with the process equipment of the laser of this LC variable phase delay type wavelength free switching system, a 1064nm infrared laser process equipment of equaling over adds the function of a 355nm ultraviolet 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, such as, 1064nm effects on surface layers of copper is adopted to remove processing in printed substrate etching, 355nm ultraviolet effects on surface layers of copper etches, workpiece is once installed, just a few procedure can be completed without the need to reorientating, decrease manufacturing procedure, reduce the production time, increase work efficiency, 3, adopt LC variable phase delay device as the core component of the switched system of wavelength unrestricted choice, the voltage be pressed on LC variable phase place extender is added by changing, arrive the adjustment to light path phase delay, thus modulation polarisation of light, different polarization light passes through polarization splitting prism, there is the different angles of emergence and then be divided into two-way light, as long as the voltage of external control LC variable phase place extender just can free wavelength switching like this, 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, when twin wavelength laser output, the ratio of respectively occupying in light beam of its two wavelength is also controllable precise, and handoff procedure does not exist the mechanical movement influencing factor of optical element, as long as regulable control voltage, can obtain higher control precision.
Although describe embodiments of the present invention 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 invention, all should within protection scope of the present invention.
Claims (10)
1. one kind freely switches output laser based on 1064nm and the 355nm wavelength of LC variable phase delay device, it is characterized in that: comprise 1064nm wavelength resonant cavity, 355nm wavelength resonant cavity, pump module for generation of laser, for the LC variable phase delay type wavelength free switching system that the laser produced by pump module switches between 1064nm wavelength resonant cavity and 355nm wavelength resonant cavity, and be arranged at the output unit of 1064nm wavelength resonant cavity and the 355nm wavelength resonant cavity port of export.
2. 1064nm and the 355nm wavelength based on LC variable phase delay device according to claim 1 freely switches output laser, it is characterized in that: also comprise total reflective mirror (3) and outgoing mirror (14), the optical axis of described total reflective mirror (3) and the optical axis of outgoing mirror (14) have an angle, and described 1064nm wavelength resonant cavity is the resonant cavity be made up of total reflective mirror (3) and outgoing mirror (14).
3. 1064nm and the 355nm wavelength based on LC variable phase delay device according to claim 2 freely switches output laser, it is characterized in that: also comprise the refrative mirror (9) and concave mirror (12) that set gradually, the optical axis of the light path that described refrative mirror (9) and concave mirror (12) are formed and the optical axis of total reflective mirror (3) have an angle, and described 355nm wavelength resonant cavity is the resonant cavity be made up of total reflective mirror (3) and concave mirror (12).
4. 1064nm and the 355nm wavelength based on LC variable phase delay device according to claim 3 freely switches output laser, it is characterized in that: the shape of described 355nm wavelength resonant cavity is v-shaped structure.
5. 1064nm and the 355nm wavelength based on LC variable phase delay device according to claim 3 freely switches output laser, it is characterized in that: also comprise the multiplier unit be located between refrative mirror (9) and concave mirror (12), described multiplier unit comprises the two times of crystal (10) and three times of crystal (11) that set gradually, the optical axis conllinear of the light path that the optical axis of the light path that described two times of crystal (10) and three times of crystal (11) are formed and refrative mirror (9) and concave mirror (12) are formed.
6. 1064nm and the 355nm wavelength based on LC variable phase delay device according to claim 5 freely switches output laser, it is characterized in that: described LC variable phase delay type wavelength free switching system is located at the outlet side of total reflective mirror (3), comprise the polarizer (6) set gradually, LC variable phase delay device (7) and polarization splitting prism (8), the optical axis of the light path that the described polarizer (6) and LC variable phase delay device (7) are formed and the light path conllinear of total reflective mirror (3), the described polarizer (6) is for generation of a line S polarised light, described LC variable phase delay device (7) for according to loaded voltage modulated polarisation of light to produce S polarised light, S+P polarised light or P polarised light, LC variable phase delay device (7) at non-on-load voltage time, produce S polarised light, LC variable phase delay device (7) at on-load voltage time, produce P polarised light or S+P polarised light, and when LC variable phase delay device (7) produces S polarised light, this S polarised light exports in 1064nm wavelength resonant cavity through polarization splitting prism (8) and produces 1064nm wavelength laser, when LC variable phase delay device (7) produces P polarised light, this P polarised light exports in 355nm wavelength resonant cavity through polarization splitting prism (8) and produces 355nm wavelength laser, when LC variable phase delay device (7) produces S+P polarised light, this S+P polarised light exports in 1064nm wavelength resonant cavity and 355nm wavelength resonant cavity through polarization splitting prism (8) and produces 1064nm wavelength laser and 355nm wavelength laser respectively.
7. 1064nm and the 355nm wavelength based on LC variable phase delay device according to claim 5 freely switches output laser, it is characterized in that: described pump module comprises pumping source (1) and crystal (4), described pumping source (1) and crystal (4) are located at input side and the outlet side of total reflective mirror (3) respectively, also be provided with coupling unit between described pumping source (1) and total reflective mirror (3), described coupling unit comprises two coupling mirrors (2).
8. 1064nm and the 355nm wavelength based on LC variable phase delay device according to claim 6 freely switches output laser, it is characterized in that: also comprise the Q switching (5) be located between crystal (4) and the polarizer (6).
9. 1064nm and the 355nm wavelength based on LC variable phase delay device according to claim 7 freely switches output laser, it is characterized in that: described output unit comprises speculum (15) and 45 ° short logical sheets (13), 1064nm laser reflection to the 45 ° short logical sheet (13) of described speculum (15) for being exported by outgoing mirror (14), the 1064nm laser that described 45 ° short logical sheets (13) are reflected for output reflector (15) is or/and for exporting the 355nm wavelength laser that refrative mirror (9) exports.
10. 1064nm and the 355nm wavelength based on LC variable phase delay device according to claim 8 freely switches output laser, it is characterized in that: the two sides of described coupling mirror (2) is all coated with 808nm anti-reflection film; Described total reflective mirror (3) is level crossing, and its left side is coated with 808nm anti-reflection film, and the right side is coated with 808nm and 1064nm high-reflecting film; The two sides of described crystal (4) is all coated with 1064nm anti-reflection film; The two sides of described LC variable phase delay type wavelength free switching system (7) is all coated with 1064nm anti-reflection film; Three of described polarization splitting prism (8) are all coated with 1064nm anti-reflection film; Described refrative mirror (9) is plano-concave mirror, and its concave curvature radius is 200mm, and its concave surface is coated with 1064nm, 532nm high-reflecting film and 355nm anti-reflection film, and its plane is coated with 355nm high transmittance film; Described the two-sided of two times of crystal (10) is all coated with 1064nm, 532nm and 355nm anti-reflection film; Described the two-sided of three times of crystal (11) is all coated with 1064nm, 532nm and 355nm anti-reflection film; The concave curvature radius of described concave mirror (12) is 50mm, and its concave surface is coated with 1064nm, 532nm and 355nm high-reflecting film; The left side of described 45 ° short logical sheets (13) be coated with 1064nm, 532nm high-reflecting film and 355nm anti-reflection, its right side is coated with 1064nm high-reflecting film and 355nm high transmittance film; Described outgoing mirror (14) is flat output mirror, and two sides is all coated with the 1064nm permeable membrane that transmitance is 30%; The reflecting surface of described speculum (15) is coated with 1064nm high-reflecting film.
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101242070A (en) * | 2008-02-15 | 2008-08-13 | 福州高意通讯有限公司 | Solid laser of semiconductor pumping |
| CN102163794A (en) * | 2011-02-25 | 2011-08-24 | 天津梅曼激光技术有限公司 | Laser device capable of freely switching laser between 1064nm wavelength and 355nm wavelength |
| CN102244358A (en) * | 2011-06-02 | 2011-11-16 | 天津奇谱光电技术有限公司 | External-cavity tunable laser |
| CN103545706A (en) * | 2013-09-02 | 2014-01-29 | 长春理工大学 | All-solid-state 355nm laser |
| WO2014036842A1 (en) * | 2012-09-05 | 2014-03-13 | 天津奇谱光电技术有限公司 | Tunable laser for outputting non-polarized light |
| CN103730826A (en) * | 2014-01-04 | 2014-04-16 | 天津奇谱光电技术有限公司 | Tunable laser system |
-
2014
- 2014-09-29 CN CN201410512918.4A patent/CN104242034A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101242070A (en) * | 2008-02-15 | 2008-08-13 | 福州高意通讯有限公司 | Solid laser of semiconductor pumping |
| CN102163794A (en) * | 2011-02-25 | 2011-08-24 | 天津梅曼激光技术有限公司 | Laser device capable of freely switching laser between 1064nm wavelength and 355nm wavelength |
| CN102244358A (en) * | 2011-06-02 | 2011-11-16 | 天津奇谱光电技术有限公司 | External-cavity tunable laser |
| WO2014036842A1 (en) * | 2012-09-05 | 2014-03-13 | 天津奇谱光电技术有限公司 | Tunable laser for outputting non-polarized light |
| CN103545706A (en) * | 2013-09-02 | 2014-01-29 | 长春理工大学 | All-solid-state 355nm laser |
| CN103730826A (en) * | 2014-01-04 | 2014-04-16 | 天津奇谱光电技术有限公司 | Tunable laser system |
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Application publication date: 20141224 |
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