CN110004496A - A kind of loop laser heating system - Google Patents
A kind of loop laser heating system Download PDFInfo
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- CN110004496A CN110004496A CN201910410402.1A CN201910410402A CN110004496A CN 110004496 A CN110004496 A CN 110004496A CN 201910410402 A CN201910410402 A CN 201910410402A CN 110004496 A CN110004496 A CN 110004496A
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- 238000004093 laser heating Methods 0.000 title claims abstract description 22
- 230000003287 optical effect Effects 0.000 claims abstract description 65
- 239000004606 Fillers/Extenders Substances 0.000 claims description 26
- 238000012800 visualization Methods 0.000 claims description 18
- 238000001816 cooling Methods 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 230000005855 radiation Effects 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 28
- 238000010438 heat treatment Methods 0.000 abstract description 8
- 239000013078 crystal Substances 0.000 description 13
- 239000000463 material Substances 0.000 description 8
- 239000000835 fiber Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000002844 melting Methods 0.000 description 4
- 230000008018 melting Effects 0.000 description 4
- 239000013307 optical fiber Substances 0.000 description 4
- 241000196324 Embryophyta Species 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 238000002834 transmittance Methods 0.000 description 2
- PFNQVRZLDWYSCW-UHFFFAOYSA-N (fluoren-9-ylideneamino) n-naphthalen-1-ylcarbamate Chemical compound C12=CC=CC=C2C2=CC=CC=C2C1=NOC(=O)NC1=CC=CC2=CC=CC=C12 PFNQVRZLDWYSCW-UHFFFAOYSA-N 0.000 description 1
- 241000208340 Araliaceae Species 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 229940085805 fiberall Drugs 0.000 description 1
- 239000005350 fused silica glass Substances 0.000 description 1
- 229910052732 germanium Inorganic materials 0.000 description 1
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 208000007578 phototoxic dermatitis Diseases 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 239000010930 yellow gold Substances 0.000 description 1
- 229910001097 yellow gold Inorganic materials 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B15/00—Single-crystal growth by pulling from a melt, e.g. Czochralski method
- C30B15/14—Heating of the melt or the crystallised materials
- C30B15/16—Heating of the melt or the crystallised materials by irradiation or electric discharge
-
- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B35/00—Apparatus not otherwise provided for, specially adapted for the growth, production or after-treatment of single crystals or of a homogeneous polycrystalline material with defined structure
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Laser Beam Processing (AREA)
- Lasers (AREA)
Abstract
The invention discloses a kind of loop laser heating systems, visible light emitter and laser emitter are arranged towards beam merging apparatus, and beam merging apparatus can will be seen that the optical path of the optical path of the visible light beam of optical transmitting set transmitting and the laser beam of laser transmitter projects closes beam as same optical path and it is made to become loop device towards beam;Beam, which becomes loop device, can will be seen that light beam or laser beam become hollow annular light beam and hollow annular light beam rolled over axis directive focusing device;Focusing device can focus hollow annular light beam and directive thermal region to be added.It is same optical path that the present invention, which will be seen that the optical path of light beam and the optical path of laser beam close beam, staff can judge the information such as the depth of parallelism, Shu Bianhuan effect, focusing effect, the focal position of laser beam based on information such as the depth of parallelism of visible light beam, Shu Bianhuan effect, focusing effect, focal positions, consequently facilitating controlling to adjust to laser beam, guarantee heating effect.
Description
Technical field
The present invention relates to laser technology fields, particularly belong to a kind of loop laser heating system.
Background technique
Single crystal fiber is a kind of optical fiber made of monocrystal material, it not only have monocrystal material chemical characteristic and
Physical characteristic, and have the characteristics that optical fiber, such as electromagnetism interference, biography photosensitiveness are good, small in size, light-weight.Recently as
The technology of preparing of the fast development and single crystal fiber of optical fiber sensing technology and Fiber laser technology is continuously improved, different substrates
Single crystal fiber all obtained researcher in the industry at two aspects of its growth and application and more and more paid close attention to.
For single crystal fiber since crystal diameter is small, traditional growing method has been unable to Adaptable growth requirement, using sharp
Light heating method, which realizes that crystal growth has the advantage that, can form lesser melting zone, and be able to achieve very high melting zone temperature;Nothing
Crucible mode is grown, and avoids pollution problem;Melting zone is small, warm ladder is big, the speed of growth is fast;Materials are few, power is low, are conducive to improve energy
Effect ratio.Therefore it is widely applied by the way of the realization crystal growth of laser heating.
However, since laser beam is invisible, therefore, it is difficult to have to laser beam in existing laser heating device
Effect control.
Summary of the invention
In view of the above shortcomings of the prior art, the application problem to be solved is: how to realize laser beam
Effectively control.
In order to solve the above technical problems, the application uses the following technical solution:
A kind of loop laser heating system, including visualization laser beam emitting device, beam become loop device and focusing device, wherein can
It include visible light emitter, laser emitter and beam merging apparatus depending on changing laser beam emitting device, it is seen that optical transmitting set and Laser emission
Device is arranged towards beam merging apparatus, and beam merging apparatus can will be seen that the optical path and laser emitter of the visible light beam of optical transmitting set transmitting
The optical path of the laser beam of transmitting closes beam and is same optical path and it is made to become loop device towards beam;Beam, which becomes loop device, can will be seen that light
Beam or laser beam become hollow annular light beam and hollow annular light beam are rolled over axis directive focusing device;Focusing device can will be empty
Heart annular beam focuses and directive thermal region to be added.
Preferably, beam merging apparatus includes the first reflecting mirror and light combination mirror, it is seen that and optical transmitting set is arranged towards the first reflecting mirror,
First reflecting mirror can will be seen that the visible light beam of optical transmitting set transmitting is reflected towards light combination mirror, and laser emitter is set towards light combination mirror
It sets, the first reflecting mirror can be reflected the light of the optical path of the visible light beam come and the laser beam of laser transmitter projects by light combination mirror
It closes beam and is same optical path and it is made to become loop device towards beam in road.
Preferably, beam merging apparatus further includes the adjusting mirror being arranged between the first reflecting mirror and light combination mirror, and adjusting mirror can
The visible light beam that the reflection of first reflecting mirror comes is adjusted and is compensated.
It preferably, further include collimator and extender device, the setting of collimator and extender device becomes in visualization laser beam emitting device and beam
Between loop device, collimator and extender device can will be seen that light beam or laser beam expand rear directive beam and become loop device.
Preferably, it visualizes between laser beam emitting device and collimator and extender device and is additionally provided with beam splitting arrangement extensive interface,
Beam splitting arrangement extensive interface can install beam splitting arrangement, and beam splitting arrangement can will be seen that light beam or the laser beam side of being divided into two bundles
To different visible light beam or laser beam, wherein a branch of directive collimator and extender device.
Preferably, visualization laser beam emitting device and collimator and extender device are mounted in dust-proof sealing structure.
Preferably, further include towards the optical measuring device of thermal region to be added, optical measuring device include CCD detector and
Infrared radiation thermometer.
Preferably, focusing device includes coude mounting and focus lamp, and coude mounting can change beam and become what loop device projected
The direction of hollow annular light beam and by hollow annular light beam directive focus lamp, focus lamp can will hollow annular light beam focus after penetrate
To thermal region to be added, the focus lamp includes concave mirror or convex lens.
Preferably, coude mounting and focus lamp are equipped with water cooling plant.
It preferably, further include seal cavity, focusing device and thermal region to be added are arranged in seal cavity, in seal cavity
Equipped with the hermetyic window mouth mirror for becoming loop device towards beam.
In conclusion the invention discloses a kind of loop laser heating system, including visualization laser beam emitting device, beam become
Loop device and focusing device, wherein visualization laser beam emitting device includes that visible light emitter, laser emitter and conjunction are got one's things ready
It sets, it is seen that optical transmitting set and laser emitter are arranged towards beam merging apparatus, and beam merging apparatus can will be seen that optical transmitting set transmitting
The optical path of the laser beam of the optical path and laser transmitter projects of visible light beam closes beam and is same optical path and makes it towards Shu Bianhuan
Device;Beam, which becomes loop device, can will be seen that light beam or laser beam become hollow annular light beam and penetrate hollow annular light beam folding axis
To focusing device;Focusing device can focus hollow annular light beam and directive thermal region to be added.The present invention will be seen that light beam
It is same optical path that optical path and the optical path of laser beam, which close beam, staff can the depth of parallelism based on visible light beam, Shu Bianhuan effect,
The information such as focusing effect, focal position are come the depth of parallelism, Shu Bianhuan effect, focusing effect, the focal position etc. that judge laser beam
Information guarantees heating effect consequently facilitating controlling to adjust to laser beam.
Detailed description of the invention
In order to keep the purposes, technical schemes and advantages of invention clearer, the application is made into one below in conjunction with attached drawing
The detailed description of step, in which:
Fig. 1 is a kind of schematic diagram of a kind of specific embodiment of loop laser heating system disclosed by the invention;
Fig. 2 is a kind of schematic diagram of specific embodiment of visualization laser beam emitting device disclosed by the invention
Description of symbols: visualization laser beam emitting device 101, collimator and extender device 102, beam become loop device 103, sealed window
Mirror B, coude mounting 104, focus lamp 105, seed crystal 106, charge bar 107, convergence focus 108, optical measuring device 109, laser hair
Emitter 101A, visible light emitter 101B, the first reflecting mirror 101C, mirror 101D, beam merging apparatus 101E are adjusted.
Specific embodiment
The application is described in further detail with reference to the accompanying drawing.
As shown in Figure 1, the invention discloses a kind of loop laser heating system, including visualization laser beam emitting device, beam
Become loop device and focusing device, wherein visualization laser beam emitting device includes that visible light emitter, laser emitter and conjunction are got one's things ready
It sets, it is seen that optical transmitting set and laser emitter are arranged towards beam merging apparatus, and beam merging apparatus can will be seen that optical transmitting set transmitting
The optical path of the laser beam of the optical path and laser transmitter projects of visible light beam closes beam and is same optical path and makes it towards Shu Bianhuan
Device;Beam, which becomes loop device, can will be seen that light beam or laser beam become hollow annular light beam and penetrate hollow annular light beam folding axis
To focusing device;Focusing device can focus hollow annular light beam and directive thermal region to be added.
Various devices in the present invention can be mounted on optical platform by bracket, and the position and orientation of each device can
It adjusts.Bracket includes rigidity, without vibration isolation support frame, passive type vibration isolation support frame, active automatic leveling support frame etc..How to adjust
The position and orientation of device are the prior art on optical platform, and details are not described herein.As shown in Figure 1, in the present invention, Shu Bianhuan dress
Set may include being coaxially disposed inside and outside vertebra reflecting mirror.In the present invention, laser transmitter projects wavelength can not in 10.6 μm of naked eyes
See high power laser light.
Before carrying out heating and growing single crystal fiber, the installation of each device first in completion system, it is ensured that visible light book
Optical path be overlapped with the optical path of laser beam;Visible light emitter can be only opened, laser light is judged by the optical path of visible light beam
After whether the optical path of beam accurately completes optical path adjusting, when carrying out heat growth, it is only necessary to open laser emitter, so that it may logical
It crosses visible light display effect and judges the focusing effect of laser beam, focal position etc., and then guarantee heating effect.
It is same optical path that the present invention, which will be seen that the optical path of light beam and the optical path of laser beam close beam, and staff can be based on can
The information such as the depth of parallelism, Shu Bianhuan effect, focusing effect, the focal position of light-exposed beam judge that the depth of parallelism of laser beam, beam become
The information such as ring effect, focusing effect, focal position guarantee heating effect consequently facilitating controlling to adjust to laser beam.
To advanced optimize above-mentioned technical proposal, as shown in Fig. 2, beam merging apparatus includes the first reflecting mirror and light combination mirror, it can
Light-exposed transmitter is arranged towards the first reflecting mirror, and the first reflecting mirror can will be seen that the visible light beam of optical transmitting set transmitting is reflected towards
Light combination mirror, laser emitter are arranged towards light combination mirror, and the first reflecting mirror can be reflected the optical path of the visible light beam come by light combination mirror
And the optical path of the laser beam of laser transmitter projects closes beam and is same optical path and it is made to become loop device towards beam.
By adjust optical platform on various brackets, level height and the depth of parallelism of adjustable two optical path etc., thus
Guarantee that two optical paths are overlapped.
To advanced optimize above-mentioned technical proposal, beam merging apparatus further includes being arranged between the first reflecting mirror and light combination mirror
Mirror is adjusted, the visible light beam that the reflection of the first reflecting mirror can be carried out by adjusting mirror is adjusted and compensates.
By adjusting and compensating later light, visible light light path same as laser track can be realized and similarly gather
Burnt effect.
It further include collimator and extender device to advanced optimize above-mentioned technical proposal, the setting of collimator and extender device is visualizing
Laser beam emitting device and beam become between loop device, and collimator and extender device can will be seen that light beam or laser beam expand rear directive beam
Become loop device.
Laser heating device in the prior art, be typically only capable to generate annular beam, and the energy density of annular beam and
Irradiated area etc. is limited by the initial laser beam that laser transmitter projects go out.In the present invention, collimator and extender joined
Device, as shown in Figure 1, collimator and extender device swashs the energy density height that laser emitter generates, the lesser light beam of spot diameter
Light is expanded by the effect of preposition concavees lens and postposition convex lens into beam size actually required, and different-diameter and energy can be generated
The laser beam of metric density enhances the adjustability of laser heating system.By adjusting the distance between concavees lens and convex lens,
It can play the role of adjusting and expand effect.
In the present invention, the lens of collimator and extender device can be uniformly mounted on standard lens barrel, and lens barrel rear end is installed beam and become
Loop device;In addition, in the mountable pH effect mirror interface in collimator and extender device front end, for correcting visible light beam and laser beam
Refractive index.When light can be adjusted optical path by use, pH effect mirror is installed, optical path effect is adjusted.It is used after adjustment
It needs to remove in pH effect mirror when laser emitter.
In the present invention, the lens material in collimator and extender device is all made of infrared high transmittance material composition, as zinc selenide,
The materials such as germanium, material are coated with infrared anti-reflection film by prior art, and making 10.6 μm of infrared light transmittances is more than 99.5%.
To advanced optimize above-mentioned technical proposal, visualizes and be additionally provided between laser beam emitting device and collimator and extender device point
Bundle device extensive interface, beam splitting arrangement extensive interface can install beam splitting arrangement, beam splitting arrangement can will be seen that light beam or
Laser beam is divided into two bundles the different visible light beams or laser beam in direction, wherein a branch of directive collimator and extender device.
Two beam laser beams after beam splitting can carry out collimator and extender and algorithm for power modulation respectively, and conjunction beam enters beam change again later
Loop device.
Laser power modulation installation can be reserved between visualization laser beam emitting device and collimator and extender device in advance to extend
Interface can install beam splitting arrangement, beam splitting between visualization laser beam emitting device and collimator and extender device by this interface
Beam splitter or beam splitter can be used in device.In this way, light beam can be divided into two bundles, a branch of heating for being still used for this system, separately
It is a branch of that other uses can be done according to process requirements, it can also play the role of adjusting heating beam power.
To advanced optimize above-mentioned technical proposal, visualization laser beam emitting device is mounted on dust-proof close with collimator and extender device
In seal structure.
Telescopic bellows is arranged outside laser beam emitting device and collimator and extender device when it is implemented, can visualize again
As dust-proof sealing structure.
It further include towards the optical measuring device of thermal region to be added, optical measurement to advanced optimize above-mentioned technical proposal
Device includes CCD detector and infrared radiation thermometer.
Optical measuring device is used to measure the shape of the optical fiber monocrystalline crystal diameter and melting zone that grow in real time, to make work
Personnel understand crystal growth condition, are convenient for the regulation and other operations of laser.
To advanced optimize above-mentioned technical proposal, focusing device includes coude mounting and focus lamp, and coude mounting can change
Become beam and become the direction for the hollow annular light beam that loop device projects and by hollow annular light beam directive focus lamp, focus lamp can will be empty
Directive thermal region to be added after heart annular beam focuses, the focus lamp includes concave mirror or convex lens.
In the present invention, coude mounting may include one or more reflecting mirrors, in this way can be reasonable so as to adjust beam direction
Played the role of space-saving it is not necessary that all devices are mounted in a linear space using space.
The focal point control that can be focused annular beam using the focus lamp in the present invention is within 100 μm of diameter.It is cyclic annular
The angle of the annular beam of light beam and incidence that light beam projects after being focused by focus lamp controls between 25 to 70 °, to obtain
Obtain good crystal growth thermal gradient.
To advanced optimize above-mentioned technical proposal, coude mounting and focus lamp are equipped with water cooling plant.
In the present invention, water cooling plant can be set in mirror back surface and carry out water cooling, or light beam is non-irradiated on mirror surface
Part opens up via hole, and cooling water input interface and output interface is respectively set in via hole both ends.
It further include seal cavity to advanced optimize above-mentioned technical proposal, focusing device and thermal region to be added are arranged close
It seals in cavity, seal cavity is equipped with the hermetyic window mouth mirror for becoming loop device towards beam.
In the present invention, focusing device and thermal region to be added can be arranged in seal cavity, thus when guaranteeing crystal growth
Locating ambient stable.Stainless steel burner hearth can be used in seal cavity, and hermetyic window mouth mirror is mountable in stainless steel burner hearth flange window
On.The intracorporal each device of seal chamber may be mounted inside stainless steel burner hearth on fixed frame.
In the present invention, the base material that beam becomes loop device, coude mounting and focus lamp is process by copper or fused quartz,
Surface is coated with reflectance coating, and reflectance coating is gilding, in addition, reflection film surface is also coated with one layer of oxide film, protection is yellow
Gold is not scratched influence surface figure accuracy.
In conclusion the present invention compared with the existing, has following technical effect that
Collimator and extender device can finally obtain diameter laser beam appropriate according to the big minor adjustment of incident beam, to laser emitter
Adaptability greatly enhance;
Collimator and extender device front end is reserved with laser power modulation installation expansion interface, adjusts laser hair by external beam splitting arrangement
Emitter rear end power output;
The transformation of light beam to the ring of light can be effectively realized on the basis of guaranteeing light beam parallelism by the reflection of inside and outside vertebra.It can be more preferable
Realization optical path uniform focus;
The visualization laser beam emitting device of outfit can the infrared black light laser emitter of effective solution be difficult to the problem of adjusting,
Greatly simplify the operation difficulty of system.
Finally, it is stated that above embodiments are only to illustrate the technical solution of the application rather than limit, although passing through ginseng
The application is described according to preferred embodiment of the present application, it should be appreciated by those of ordinary skill in the art that can
To make various changes to it in the form and details, without departing from the application defined by the appended claims
Spirit and scope.
Claims (10)
1. a kind of loop laser heating system, which is characterized in that become loop device and focusing including visualization laser beam emitting device, beam
Device, wherein visualization laser beam emitting device includes visible light emitter, laser emitter and beam merging apparatus, it is seen that light emitting
Device and laser emitter are arranged towards beam merging apparatus, and beam merging apparatus can will be seen that the optical path of the visible light beam of optical transmitting set transmitting
And the optical path of the laser beam of laser transmitter projects closes beam and is same optical path and it is made to become loop device towards beam;Beam becomes loop device
It can will be seen that light beam or laser beam become hollow annular light beam and hollow annular light beam rolled over axis directive focusing device;It focuses
Device can focus hollow annular light beam and directive thermal region to be added.
2. loop laser heating system as described in claim 1, which is characterized in that beam merging apparatus includes the first reflecting mirror and conjunction
Shu Jing, it is seen that optical transmitting set is arranged towards the first reflecting mirror, and the first reflecting mirror can will be seen that the visible light of optical transmitting set transmitting
Beam is reflected towards light combination mirror, and laser emitter is arranged towards light combination mirror, and the first reflecting mirror can be reflected the visible light of coming by light combination mirror
The optical path of the laser beam of the optical path and laser transmitter projects of beam closes beam and is same optical path and it is made to become loop device towards beam.
3. loop laser heating system as claimed in claim 2, which is characterized in that beam merging apparatus further includes that setting is anti-first
The adjusting mirror between mirror and light combination mirror is penetrated, the visible light beam that the reflection of the first reflecting mirror can be carried out by adjusting mirror is adjusted and mends
It repays.
4. loop laser heating system as described in claim 1, which is characterized in that further include collimator and extender device, collimation expands
Bundle device setting becomes between loop device in visualization laser beam emitting device and beam, and collimator and extender device can will be seen that light beam or swash
Directive beam becomes loop device after light beam expander.
5. loop laser heating system as claimed in claim 4, which is characterized in that visualization laser beam emitting device and collimation expand
Beam splitting arrangement extensive interface is additionally provided between bundle device, beam splitting arrangement extensive interface can install beam splitting arrangement, beam splitting dress
Setting can will be seen that light beam or laser beam are divided into two bundles the different visible light beams or laser beam in direction, wherein a branch of directive is quasi-
Direct expansion bundle device.
6. loop laser heating system as described in claim 4 or 5, which is characterized in that visualization laser beam emitting device and standard
Direct expansion bundle device is mounted in dust-proof sealing structure.
7. loop laser heating system as described in claim 1, which is characterized in that further include the optics towards thermal region to be added
Measuring device, optical measuring device include CCD detector and infrared radiation thermometer.
8. loop laser heating system as described in claim 1, which is characterized in that focusing device includes coude mounting and focusing
Mirror, coude mounting can change beam and become the direction for the hollow annular light beam that loop device projects and focus hollow annular light beam directive
Mirror, directive thermal region to be added after focus lamp can focus hollow annular light beam, the focus lamp includes concave mirror or convex
Lens.
9. loop laser heating system as claimed in claim 7, which is characterized in that coude mounting and focus lamp are equipped with water cooling
Device.
10. loop laser heating system as described in claim 1, which is characterized in that further include seal cavity, focusing device and
Thermal region to be added is arranged in seal cavity, and seal cavity is equipped with the hermetyic window mouth mirror for becoming loop device towards beam.
Priority Applications (1)
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CN201910410402.1A CN110004496B (en) | 2019-05-16 | 2019-05-16 | Ring laser heating system |
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CN201910410402.1A CN110004496B (en) | 2019-05-16 | 2019-05-16 | Ring laser heating system |
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CN110004496B CN110004496B (en) | 2024-01-30 |
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Cited By (1)
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CN110548989A (en) * | 2019-09-06 | 2019-12-10 | 深圳市大德激光技术有限公司 | Waveform control method and system for laser welding of precise structural part of power battery |
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CN112609236A (en) * | 2020-12-29 | 2021-04-06 | 中国电子科技集团公司第二十六研究所 | Automatic optical fiber crystal preparation system utilizing laser annular heating |
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2019
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JP2004288840A (en) * | 2003-03-20 | 2004-10-14 | Fujikura Ltd | Infrared laser light source |
US20170312856A1 (en) * | 2014-03-06 | 2017-11-02 | Yury Alexandrovich CHIVEL | Laser cladding method and device for implementing same |
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