CN111244730A - Laser device - Google Patents
Laser device Download PDFInfo
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- CN111244730A CN111244730A CN202010056387.8A CN202010056387A CN111244730A CN 111244730 A CN111244730 A CN 111244730A CN 202010056387 A CN202010056387 A CN 202010056387A CN 111244730 A CN111244730 A CN 111244730A
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- 239000013078 crystal Substances 0.000 claims abstract description 62
- 238000001816 cooling Methods 0.000 claims abstract description 45
- 229910052724 xenon Inorganic materials 0.000 claims abstract description 38
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 claims abstract description 38
- 239000007788 liquid Substances 0.000 claims description 89
- 238000007789 sealing Methods 0.000 claims description 30
- 239000000110 cooling liquid Substances 0.000 claims description 22
- 239000000919 ceramic Substances 0.000 claims description 15
- 230000037431 insertion Effects 0.000 claims 1
- 238000003780 insertion Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 6
- 239000002826 coolant Substances 0.000 description 3
- 230000001427 coherent effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- JBRZTFJDHDCESZ-UHFFFAOYSA-N AsGa Chemical compound [As]#[Ga] JBRZTFJDHDCESZ-UHFFFAOYSA-N 0.000 description 1
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003574 free electron Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010979 ruby Substances 0.000 description 1
- 229910001750 ruby Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/02—Constructional details
- H01S3/025—Constructional details of solid state lasers, e.g. housings or mountings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/005—Optical devices external to the laser cavity, specially adapted for lasers, e.g. for homogenisation of the beam or for manipulating laser pulses, e.g. pulse shaping
- H01S3/0071—Beam steering, e.g. whereby a mirror outside the cavity is present to change the beam direction
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/02—Constructional details
- H01S3/04—Arrangements for thermal management
- H01S3/0407—Liquid cooling, e.g. by water
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
- H01S3/06—Construction or shape of active medium
- H01S3/0602—Crystal lasers or glass lasers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/09—Processes or apparatus for excitation, e.g. pumping
- H01S3/091—Processes or apparatus for excitation, e.g. pumping using optical pumping
- H01S3/0915—Processes or apparatus for excitation, e.g. pumping using optical pumping by incoherent light
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Optics & Photonics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Lasers (AREA)
Abstract
The invention discloses a laser, which comprises: the laser device comprises a laser device base, wherein a cooling cavity is arranged on the laser device base, and a light outlet hole is formed in the front end of the laser device base; the laser comprises a laser body, a laser cavity, a xenon lamp and a laser crystal, wherein the laser body comprises a laser cavity, a xenon lamp and a laser crystal; the fully-reflective mirror assembly is arranged in the rear end of the laser base and is used for reflecting laser emitted by the laser crystal; the semi-reflective mirror assembly is arranged in the front end of the laser base, is matched with the light outlet hole and is used for reflecting part of laser emitted by the laser crystal and outputting the other part of laser; and the laser head is arranged at the front end of the laser base and matched with the light outlet hole. By adopting the design, the invention has the advantages of ingenious structure, simple assembly and great labor cost saving.
Description
Technical Field
The invention relates to the field of laser, in particular to a laser.
Background
Laser-a device capable of emitting laser light. The first microwave quantum amplifier was made in 1954, and a highly coherent microwave beam was obtained. The first ruby laser was made by t.h. meiman et al in 1960, a.l. xiaoloo and c.h. tiss, which popularized the microwave quantum amplifier principle to the optical frequency range in 1958. He-ne lasers were made by a. jiawen et al in 1961. In 1962, a gallium arsenide semiconductor laser was created by r.n. hall et al. Then, the variety of lasers is increasing. According to the working medium, the laser can be classified into a gas laser, a solid laser, a semiconductor laser and a dye laser 4. Free electron lasers have also been developed recently, with high power lasers typically being pulsed outputs. The existing laser device on the market is very complex in structure, very many in parts and complex in assembly, so that the labor cost is greatly increased.
Accordingly, there is a need to design a laser that addresses one or more of the problems discussed above.
Disclosure of Invention
To solve one or more of the problems in the prior art, the present invention provides a laser.
The technical scheme adopted by the invention to achieve the aim is as follows: a laser, the laser comprising:
the laser device comprises a laser device base, wherein a cooling cavity is arranged on the laser device base and used for cooling the laser device, and a light outlet hole is formed in the front end of the laser device base;
the laser comprises a laser body, wherein the laser body comprises a laser cavity, a xenon lamp and a laser crystal, the laser cavity is fixed in the laser base and matched with the cooling cavity, the xenon lamp is arranged on the laser cavity, two ends of the xenon lamp are connected with a power supply through a lamp connecting seat, the laser crystal is arranged on the laser cavity, and the laser crystal converts light of the xenon lamp into laser to be emitted;
the fully-reflective mirror assembly is arranged in the rear end of the laser base and is used for reflecting laser emitted by the laser crystal;
the semi-reflective mirror assembly is arranged in the front end of the laser base, is matched with the light outlet hole and is used for reflecting part of laser emitted by the laser crystal and outputting the other part of laser; and
the laser head, the laser head sets up the front end of laser instrument base, with it cooperatees to go out the unthreaded hole.
In some embodiments, the laser base includes a base, a front end plate and a rear end plate, a cooling cavity is provided on a bottom plate of the base, the cooling cavity includes a liquid inlet cavity and a liquid outlet cavity for cooling by circulating a cooling liquid, the front end plate and the rear end plate are respectively fixed at front and rear ends of the base, and the light outlet is provided on the front end plate for emitting laser.
In some embodiments, the liquid inlet cavity comprises a first liquid inlet and a first liquid outlet, the first liquid inlet is arranged on the bottom surface of the base plate of the base and used for the entering of cooling liquid, and the first liquid outlet is arranged on the top surface of the base plate of the base and used for the flowing of the cooling liquid from the liquid inlet cavity to the cooling system of the laser cavity;
the liquid outlet cavity comprises a second liquid inlet and a second liquid outlet, the second liquid inlet is arranged on the top surface of the base bottom plate and used for cooling liquid to flow into the liquid outlet cavity from the cooling system of the laser cavity, and the second liquid outlet is arranged on the bottom plate bottom surface of the base and used for cooling the laser cavity and then flowing out.
In some embodiments, the base is further provided with a first sealing groove, the first sealing groove is arranged around the first liquid outlet and the second liquid inlet, the first sealing groove is provided with a first sealing ring, and the first sealing ring is matched with the laser cavity and used for preventing cooling liquid from leaking;
the front end plate and the rear end plate are respectively provided with a second sealing groove, the second sealing groove is provided with a second sealing ring, and the second sealing ring is respectively matched with the liquid inlet cavity and the liquid outlet cavity and used for preventing cooling liquid from leaking.
In some embodiments, the laser cavity includes upper cover and cavity of resorption, cavity of resorption integrated into one piece, the upper cover with the cavity of resorption can be dismantled and be connected, the both ends of cavity of resorption be equipped with respectively with xenon lamp matched with first through-hole and with laser crystal matched with second through-hole, the cavity of resorption bottom surface is equipped with two cooling mouths, two the cooling mouth respectively with first liquid outlet with the second inlet cooperatees for the feed liquor with go out the liquid.
In some embodiments, a ceramic cavity is further disposed in the lower cavity, the xenon lamp and the laser crystal are respectively disposed in the ceramic cavity and respectively penetrate through the first through hole and the second through hole, a crystal pressing block is further disposed on the laser cavity, the crystal pressing block is fixed at two ends of the lower cavity, and a third through hole matched with the laser crystal is disposed on the crystal pressing block and used for the laser crystal to be inserted into.
In some embodiments, the total reflection mirror assembly includes a first mounting base and a total reflection mirror, the first mounting base includes an upper layer, a middle layer and a lower layer, a reflection through hole is disposed at a central position of the first mounting base, the reflection through hole penetrates through the upper layer, the middle layer and the lower layer, a mirror groove is disposed on the upper layer, the mirror groove and the reflection through hole are coaxially disposed, and first threaded holes are further disposed around the mirror groove and used for screwing bolts into the total reflection mirror fixedly disposed in the mirror groove.
In some embodiments, the upper layer and the middle layer are fixedly connected through two first connecting pillars, the two first connecting pillars are arranged diagonally, the middle layer and the lower layer are fixedly connected through two second connecting pillars, the two second connecting pillars are arranged diagonally, and a straight line formed by the two first connecting pillars is perpendicular to a straight line formed by the two second connecting pillars.
In some embodiments, the edge of the upper layer is further provided with two second threaded holes and two third threaded holes, the two second threaded holes penetrate through the upper layer, the two second threaded holes are diagonally arranged and perpendicular to a straight line formed by the two first connecting columns, the two third threaded holes penetrate through the upper layer and the middle layer, and the two third threaded holes are diagonally arranged and perpendicular to a straight line formed by the two second connecting columns.
In some embodiments, the half-mirror assembly includes a second mounting base identical to the first mounting base and a half-mirror fixed to the second mounting base by a bolt.
The invention has the beneficial effects that: compared with the prior art, the invention comprises the following steps: the laser device comprises a laser device base, wherein a cooling cavity is arranged on the laser device base and used for cooling the laser device, and a light outlet hole is formed in the front end of the laser device base; the laser comprises a laser body, wherein the laser body comprises a laser cavity, a xenon lamp and a laser crystal, the laser cavity is fixed in the laser base and matched with the cooling cavity, the xenon lamp is arranged on the laser cavity, two ends of the xenon lamp are connected with a power supply through a lamp connecting seat, the laser crystal is arranged on the laser cavity, and the laser crystal converts light of the xenon lamp into laser to be emitted; the fully-reflective mirror assembly is arranged in the rear end of the laser base and is used for reflecting laser emitted by the laser crystal; the semi-reflective mirror assembly is arranged in the front end of the laser base, is matched with the light outlet hole and is used for reflecting part of laser emitted by the laser crystal and outputting the other part of laser; and the laser head is arranged at the front end of the laser base and matched with the light outlet hole. By adopting the design, the invention has the advantages of ingenious structure, simple assembly and great labor cost saving.
Drawings
FIG. 1 is a schematic structural diagram of a preferred embodiment of the present invention;
FIG. 2 is a schematic view of the internal installation of the preferred embodiment of the present invention;
FIG. 3 is a schematic diagram of a laser base according to a preferred embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a base according to a preferred embodiment of the present invention;
FIG. 5 is a schematic structural diagram of a laser body according to a preferred embodiment of the present invention;
FIG. 6 is a schematic structural diagram of a laser cavity according to a preferred embodiment of the present invention;
FIG. 7 is a schematic view of a first mounting base according to a preferred embodiment of the present invention;
FIG. 8 is a structural diagram of the first mounting base from another perspective according to the preferred embodiment of the invention;
FIG. 9 is a schematic view of a lamp connecting base according to a preferred embodiment of the present invention.
In the figure:
10. a laser base; 11. a base; 111. a first liquid outlet; 112. a second liquid inlet; 113. a first liquid inlet; 114. a second liquid outlet; 12. a front end plate; 13. a rear end plate;
20. a laser cavity; 21. pressing the crystal into a block; 211. a third through hole; 22. a second through hole; 23. a first through hole;
30. a xenon lamp; 31. an electric wire;
40. a laser head;
50. a lamp connecting base;
60. a first mounting seat; 61. an upper layer; 611. a mirror groove; 612. a second threaded hole; 613. a third threaded hole; 614. a first threaded hole; 62. a middle layer; 63. a lower layer; 64. a reflective via; 65. a first connecting column; 66. a second connecting column.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.
As shown in fig. 1-9, the present invention provides a laser including:
the laser device comprises a laser device base 10, wherein a cooling cavity is arranged on the laser device base 10 and used for cooling the laser device, and a light outlet hole is formed in the front end of the laser device base 10;
the laser comprises a laser body, wherein the laser body comprises a laser cavity 20, a xenon lamp 30 and a laser crystal, the laser cavity 20 is fixed in the laser base 10 and is matched with the cooling cavity, the xenon lamp 30 is arranged on the laser cavity 20, two ends of the xenon lamp 30 are connected with a power supply through a lamp connecting seat 50, the laser crystal is arranged on the laser cavity 20, and the laser crystal converts light of the xenon lamp 30 into laser light to be emitted;
a total reflection mirror assembly disposed in the rear end of the laser base 10 for reflecting the laser light emitted by the laser crystal;
the semi-reflective mirror assembly is arranged in the front end of the laser base 11, is matched with the light outlet hole, and is used for reflecting part of laser emitted by the laser crystal and outputting the other part of laser; and
the laser head 40, the laser head 40 sets up the front end of laser base 10, with it cooperatees to go out the unthreaded hole.
Specifically, the base 11 is assembled in a detachable manner, a cavity is formed inside the base, two ends of the cavity are open, and the front end plate 12 and the rear end plate 13 are respectively fixed at the front end and the rear end of the base 11 by bolts. The base 11 is provided with screw holes for fixing the laser cavity 20 and the lamp connecting socket 50, and the front end plate 12 and the rear end plate 13 are respectively provided with screw holes for fixing the second mounting socket and the first mounting socket 60. The liquid inlet cavity and the liquid outlet cavity are arranged on the bottom plate of the base 11 and are not communicated with each other. After the laser body and the lamp connecting seat 50 are fixed in the base 11 by bolts, the full-reflection mirror assembly and the half-reflection mirror assembly are respectively fixed on the rear end plate 13 and the front end plate 12 by bolts, and after the laser body and the lamp connecting seat are assembled, mechanisms for providing cooling liquid and collecting the cooling liquid are directly connected with the first liquid inlet 113 and the second liquid outlet 114 respectively. The cooling liquid enters the liquid inlet cavity from the first liquid inlet 113, flows into the laser cavity 20 from the first liquid outlet 111 through the cooling port, cools the ceramic cavity, the xenon lamp 30 and the laser crystal in the laser cavity 20, flows into the liquid outlet cavity from the other cooling port through the second liquid inlet 112, and finally flows out from the second liquid outlet 114, so that the heat in the laser cavity 20 is taken away in the circulating process, and the cooling effect is achieved.
In order to increase the volume in feed liquor chamber and play liquid chamber, the preferred feed liquor chamber of this embodiment all runs through base 11's both ends with going out the liquid chamber, just need front end plate 12 and rear end plate 13 to plug up the both ends in feed liquor chamber and play liquid chamber this moment, avoid the coolant liquid to spill, in order to strengthen the leak protection effect, set up on front end plate 12 and rear end plate 13 with feed liquor chamber and play liquid chamber matched with second seal groove, set up the second sealing washer on the second seal groove, this second sealing washer makes the coolant liquid can't leak out from front end plate 12 and rear end plate 13 department. Meanwhile, a first sealing groove is formed around the first liquid outlet 111 and the second liquid inlet 112, a first sealing ring is arranged on the first sealing groove, and the first sealing ring seals the joint of the two cooling ports of the laser cavity 20 and the first liquid outlet 111 and the second liquid inlet 112, so that the cooling liquid cannot leak out.
The laser crystal (laser crystal) is a rod-shaped crystal material which can convert the energy provided by the outside into coherent laser with high parallelism and monochromaticity in space and time through an optical resonant cavity. Is the working substance of the crystal laser. In this embodiment, the laser crystal and the xenon lamp 30 are both disposed on a ceramic cavity, the ceramic cavity is disposed inside the laser cavity 20, and two cooling ports of the laser cavity 20 are connected to the first liquid outlet 111 and the second liquid inlet 112 on the base 11. Wherein, two ends of the xenon lamp 30 respectively extend out of the first through holes 23 at two ends of the lower cavity, and the electric wires 31 at two ends of the xenon lamp 30 are connected with an external power supply through the lamp connecting seat 50 fixed on the side wall of the base 11, and after the circuit is conducted, the xenon lamp 30 can emit light. The two ends of the laser crystal also extend out of the second through holes 22 at the two ends of the lower cavity respectively, and are inserted into the third through hole 211 of the crystal pressing block 21. At this time, the ceramic cavity is in an empty state, and a gap is formed between the bottom of the ceramic cavity and the bottom surface of the laser cavity 20 for the cooling liquid to pass through. After the xenon lamp 30 emits light, the laser crystal absorbs and converts the light emitted from the xenon lamp 30 into laser light. The ceramic cavity is integrally formed by ceramic, a cavity penetrating through two ends is arranged at the center of the ceramic cavity, the xenon lamp 30 and the laser crystal are fixed at the cavity, and the ceramic cavity is in the prior art and is not repeated.
After the laser crystal converts the light emitted by the xenon lamp 30 into laser light and emits the laser light from two ends, the laser light at the rear end is reflected by the full-reflection mirror assembly, part of the laser light at the front end is reflected by the half-reflection mirror assembly, but part of the laser light passes through the half-reflection mirror assembly and is emitted to the laser head 40 through the light outlet. The full-reflection mirror assembly and the half-reflection mirror assembly have the same structure and are both composed of a mounting base and a reflecting mirror, the reflecting mirror of the full-reflection mirror assembly is the full-reflection mirror, the reflecting mirror of the half-reflection mirror assembly is the half-reflection mirror, and the half-reflection mirror is also commonly called an output mirror.
In this embodiment, the all-reflective mirror assembly includes a first mounting base 60 and a total reflective mirror, and the half-reflective mirror assembly includes a second mounting base and a half-reflective mirror, wherein the all-reflective mirror assembly is fixed on the rear end plate 13, and the half-reflective mirror assembly is fixed on the front end plate 12. The first mounting seat 60 is divided into an upper layer 61, a middle layer 62 and a lower layer 63, wherein the upper layer 61 and the middle layer 62 are fixedly connected, the middle layer 62 and the lower layer 63 are fixedly connected, and the fixed connection mode is preferably integrally formed, namely, the first connecting column 65 is respectively integrally formed with the upper layer 61 and the middle layer 62, and the second connecting column 66 is integrally formed with the middle layer 62 and the lower layer 63, namely, except the positions of the first connecting column 65 and the second connecting column 66, the rest parts between the upper layer 61 and the middle layer 62 and between the middle layer 62 and the lower layer 63 are empty. The center positions of the upper layer 61, the middle layer 62 and the lower layer 63 are provided with a completely penetrating reflection through hole 64, the top of the upper layer 61 is also provided with a reflection mirror groove 611 coaxial with the reflection through hole 64, the reflection mirror is placed in the reflection mirror groove 611, then the bolt is screwed into the first threaded hole 614 around the reflection mirror groove 611, it should be noted that the nut part of the bolt is positioned at the reflection mirror groove 611, so that the reflection mirror can be fixed at the reflection mirror groove 611 and cannot come out.
The first mounting seat 60 is further provided with two second threaded holes 612 and two third threaded holes 613, the two first connecting columns 65, the two second connecting columns 66, the two second threaded holes 612 and the two third threaded holes 613 are diagonally arranged, a straight line formed between the two first connecting columns 65 and a straight line formed between the two second connecting columns 66 are perpendicular to each other, a straight line formed between the two second threaded holes 612 and a straight line formed between the two third threaded holes 613 are perpendicular to each other, the two second threaded holes 612 are arranged on the upper layer 61, namely when a bolt is screwed into the second threaded hole 612 and screwed to the middle layer 62, the bottom of the bolt is blocked by the upper surface of the middle layer 62, and at the moment, if the bolt is continuously screwed, the threaded connection between the upper layer 61 and the bolt is tilted upwards due to the fact that the middle layer 62 is kept still. The two third threaded holes 613 are simultaneously formed in the upper layer 61 and the middle layer 62, that is, when the bolts are screwed into the third threaded holes 613 and screwed to the lower layer 63, the bottoms of the bolts are blocked by the upper surface of the lower layer 63, and at this time, if the bolts are screwed continuously, the threaded connection between the middle layer 62 and the upper layer 61 and the bolts is tilted upwards due to the fact that the lower layer 63 is kept still, so that the purpose of adjusting the reflector is achieved.
It should be noted that, laser head 40 is prior art, and including the built-in red light adjusting bracket, as to the specific structure of red light adjusting bracket, can refer to current red light adjusting bracket, and lamp connecting seat 50 is also prior art, and this embodiment is not repeated.
In some embodiments, the laser base 10 includes a base 11, a front end plate 12 and a rear end plate 13, a cooling cavity is disposed on a bottom plate of the base 11, the cooling cavity includes a liquid inlet cavity and a liquid outlet cavity for cooling by circulating a cooling liquid, the front end plate 12 and the rear end plate 13 are respectively fixed at front and rear ends of the base 11, and the light outlet is disposed on the front end plate 12 for emitting laser.
In some embodiments, the liquid inlet chamber includes a first liquid inlet 113 and a first liquid outlet 111, the first liquid inlet 113 is disposed on the bottom surface of the bottom plate of the base 11 for the entry of the cooling liquid, and the first liquid outlet 111 is disposed on the top surface of the bottom plate of the base 11 for the flow of the cooling liquid from the liquid inlet chamber into the cooling system of the laser chamber 20;
the liquid outlet cavity comprises a second liquid inlet 112 and a second liquid outlet 114, the second liquid inlet 112 is arranged on the top surface of the bottom plate of the base 11 and used for cooling liquid to flow into the liquid outlet cavity from the cooling system of the laser cavity 20, and the second liquid outlet 114 is arranged on the bottom surface of the bottom plate of the base 11 and used for cooling the laser cavity 20 and then flowing out.
In some embodiments, the base 11 is further provided with a first sealing groove, the first sealing groove is disposed around the first liquid outlet 111 and the second liquid inlet 112, and a first sealing ring is disposed on the first sealing groove, and the first sealing ring is matched with the laser cavity 20 for preventing cooling liquid from leaking;
the front end plate 12 with be equipped with the second seal groove on the back end plate 13 respectively, be equipped with the second sealing washer on the second seal groove, the second sealing washer respectively with the feed liquor chamber with go out the liquid chamber and cooperate for prevent that the coolant liquid from spilling.
In some embodiments, the laser cavity 20 includes an upper cover and a lower cavity, the lower cavity is integrally formed, the upper cover is detachably connected to the lower cavity, two ends of the lower cavity are respectively provided with a first through hole 23 matched with the xenon lamp 30 and a second through hole 22 matched with the laser crystal, the bottom surface of the lower cavity is provided with two cooling ports, and the two cooling ports are respectively matched with the first liquid outlet 111 and the second liquid inlet 112 for liquid inlet and outlet.
In some embodiments, a ceramic cavity is further disposed in the lower cavity, the xenon lamp 30 and the laser crystal are respectively disposed in the ceramic cavity and respectively penetrate through the first through hole 23 and the second through hole 22, a crystal pressing block 21 is further disposed on the laser cavity 20, the crystal pressing block 21 is fixed at two ends of the lower cavity, and a third through hole 211 matched with the laser crystal is disposed on the crystal pressing block 21 and used for the laser crystal to be inserted.
In some embodiments, the total reflection mirror assembly includes a first mounting base 60 and a total reflection mirror, the first mounting base 60 includes an upper layer 61, a middle layer 62 and a lower layer 63, a reflection through hole 64 is provided at a central position of the first mounting base 60, the reflection through hole 64 penetrates through the upper layer 61, the middle layer 62 and the lower layer 63, the upper layer 61 is provided with a mirror groove 611, the mirror groove 611 is coaxial with the reflection through hole 64, and a first threaded hole 614 is further provided around the mirror groove 611 for screwing a bolt to fix the total reflection mirror arranged in the mirror groove 611.
In some embodiments, the upper layer 61 and the middle layer 62 are fixedly connected by two first connecting pillars 65, the two first connecting pillars 65 are arranged diagonally, the middle layer 62 and the lower layer 63 are fixedly connected by two second connecting pillars 66, the two second connecting pillars 66 are arranged diagonally, and a straight line formed by the two first connecting pillars 65 is perpendicular to a straight line formed by the two second connecting pillars 66.
In some embodiments, two second threaded holes 612 and two third threaded holes 613 are further disposed at the edge of the upper layer 61, the two second threaded holes 612 penetrate through the upper layer 61, the two second threaded holes 612 are diagonally disposed and perpendicular to the straight line formed by the two first connecting posts 65, the two third threaded holes 613 penetrate through the upper layer 61 and the middle layer 62, and the two third threaded holes 613 are diagonally disposed and perpendicular to the straight line formed by the two second connecting posts 66.
In some embodiments, the half mirror assembly includes a second mounting base identical to the first mounting base 60 and a half mirror fixed to the second mounting base by a bolt.
In summary, the laser device comprises a laser device base 10, wherein a cooling cavity is arranged on the laser device base 10 and used for cooling the laser device, and a light outlet is further arranged at the front end of the laser device base 10; the laser comprises a laser body, wherein the laser body comprises a laser cavity 20, a xenon lamp 30 and a laser crystal, the laser cavity 20 is fixed in the laser base 10 and is matched with the cooling cavity, the xenon lamp 30 is arranged on the laser cavity 20, two ends of the xenon lamp 30 are connected with a power supply through a lamp connecting seat 50, the laser crystal is arranged on the laser cavity 20, and the laser crystal converts light of the xenon lamp 30 into laser light to be emitted; a total reflection mirror assembly disposed in the rear end of the laser base 10 for reflecting the laser light emitted by the laser crystal; the semi-reflective mirror assembly is arranged in the front end of the laser base 11, is matched with the light outlet hole, and is used for reflecting part of laser emitted by the laser crystal and outputting the other part of laser; and the laser head 40 is arranged at the front end of the laser base 10, and is matched with the light outlet hole. By adopting the design, the invention has the advantages of ingenious structure, simple assembly and great labor cost saving.
The above-described embodiments are merely illustrative of one or more embodiments of the present invention, and the description is specific and detailed, but not intended to limit the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A laser, characterized in that the laser comprises:
the laser device comprises a laser device base, wherein a cooling cavity is arranged on the laser device base and used for cooling the laser device, and a light outlet hole is formed in the front end of the laser device base;
the laser comprises a laser body, wherein the laser body comprises a laser cavity, a xenon lamp and a laser crystal, the laser cavity is fixed in the laser base and matched with the cooling cavity, the xenon lamp is arranged on the laser cavity, two ends of the xenon lamp are connected with a power supply through a lamp connecting seat, the laser crystal is arranged on the laser cavity, and the laser crystal converts light of the xenon lamp into laser to be emitted;
the fully-reflective mirror assembly is arranged in the rear end of the laser base and is used for reflecting laser emitted by the laser crystal;
the semi-reflective mirror assembly is arranged in the front end of the laser base, is matched with the light outlet hole and is used for reflecting part of laser emitted by the laser crystal and outputting the other part of laser; and
the laser head, the laser head sets up the front end of laser instrument base, with it cooperatees to go out the unthreaded hole.
2. The laser device as claimed in claim 1, wherein the laser base includes a base, a front end plate and a rear end plate, a cooling cavity is disposed on a bottom plate of the base, the cooling cavity includes a liquid inlet cavity and a liquid outlet cavity for cooling by circulating a cooling liquid, the front end plate and the rear end plate are respectively fixed to front and rear ends of the base, and the light outlet is disposed on the front end plate for emitting laser light.
3. The laser as claimed in claim 2, wherein the liquid inlet chamber comprises a first liquid inlet and a first liquid outlet, the first liquid inlet is disposed on the bottom surface of the base plate of the base for the entry of the cooling liquid, and the first liquid outlet is disposed on the top surface of the base plate of the base for the flow of the cooling liquid from the liquid inlet chamber into the cooling system of the laser cavity;
the liquid outlet cavity comprises a second liquid inlet and a second liquid outlet, the second liquid inlet is arranged on the top surface of the base bottom plate and used for cooling liquid to flow into the liquid outlet cavity from the cooling system of the laser cavity, and the second liquid outlet is arranged on the bottom plate bottom surface of the base and used for cooling the laser cavity and then flowing out.
4. The laser device according to claim 3, wherein the base further has a first sealing groove disposed around the first liquid outlet and the second liquid inlet, the first sealing groove having a first sealing ring, the first sealing ring being engaged with the laser cavity to prevent leakage of the cooling liquid;
the front end plate and the rear end plate are respectively provided with a second sealing groove, the second sealing groove is provided with a second sealing ring, and the second sealing ring is respectively matched with the liquid inlet cavity and the liquid outlet cavity and used for preventing cooling liquid from leaking.
5. The laser device according to claim 3, wherein the laser cavity comprises an upper cover and a lower cavity, the lower cavity is integrally formed, the upper cover is detachably connected with the lower cavity, a first through hole matched with the xenon lamp and a second through hole matched with the laser crystal are respectively arranged at two ends of the lower cavity, two cooling ports are arranged on the bottom surface of the lower cavity, and the two cooling ports are respectively matched with the first liquid outlet and the second liquid inlet for liquid inlet and liquid outlet.
6. The laser device according to claim 5, wherein a ceramic cavity is further provided in the lower cavity, the xenon lamp and the laser crystal are respectively provided in the ceramic cavity and respectively penetrate out of the first through hole and the second through hole, a crystal pressing block is further provided on the laser cavity, the crystal pressing block is fixed at two ends of the lower cavity, and a third through hole matched with the laser crystal is provided on the crystal pressing block and used for the insertion of the laser crystal.
7. The laser of claim 1, wherein the total reflection mirror assembly comprises a first mounting base and a total reflection mirror, the first mounting base comprises an upper layer, a middle layer and a lower layer, a reflection through hole is formed in the center of the first mounting base, the reflection through hole penetrates through the upper layer, the middle layer and the lower layer, a mirror groove is formed in the upper layer, the mirror groove and the reflection through hole are coaxially arranged, and first threaded holes are formed in the periphery of the mirror groove and used for screwing bolts to fix the total reflection mirror arranged in the mirror groove.
8. The laser as claimed in claim 7, wherein the upper layer and the middle layer are fixedly connected by two first connecting pillars, the two first connecting pillars are arranged diagonally, the middle layer and the lower layer are fixedly connected by two second connecting pillars, the two second connecting pillars are arranged diagonally, and a straight line formed by the two first connecting pillars is perpendicular to a straight line formed by the two second connecting pillars.
9. The laser as claimed in claim 8, wherein two second threaded holes and two third threaded holes are further formed at an edge of the upper layer, the two second threaded holes penetrate through the upper layer, the two second threaded holes are diagonally arranged and perpendicular to a straight line formed by the two first connecting pillars, the two third threaded holes penetrate through the upper layer and the middle layer, and the two third threaded holes are diagonally arranged and perpendicular to a straight line formed by the two second connecting pillars.
10. The laser of claim 9, wherein the half-mirror assembly comprises a second mounting base and a half-mirror, the second mounting base being identical to the first mounting base, the half-mirror being bolted to the second mounting base.
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| CN202010056387.8A CN111244730A (en) | 2020-01-18 | 2020-01-18 | Laser device |
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| CN202010056387.8A CN111244730A (en) | 2020-01-18 | 2020-01-18 | Laser device |
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