CN205353412U - Optic fibre laser output head - Google Patents
Optic fibre laser output head Download PDFInfo
- Publication number
- CN205353412U CN205353412U CN201521126055.3U CN201521126055U CN205353412U CN 205353412 U CN205353412 U CN 205353412U CN 201521126055 U CN201521126055 U CN 201521126055U CN 205353412 U CN205353412 U CN 205353412U
- Authority
- CN
- China
- Prior art keywords
- quartz
- socket tube
- end cap
- optic fibre
- metallic sheath
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000000835 fiber Substances 0.000 title claims abstract description 26
- 239000010453 quartz Substances 0.000 claims abstract description 76
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 76
- 239000013307 optical fiber Substances 0.000 claims abstract description 30
- 239000002184 metal Substances 0.000 claims abstract description 19
- 238000005253 cladding Methods 0.000 claims description 22
- 238000003466 welding Methods 0.000 claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 239000011521 glass Substances 0.000 claims description 7
- 238000012216 screening Methods 0.000 claims description 7
- 239000012535 impurity Substances 0.000 abstract description 6
- 238000010521 absorption reaction Methods 0.000 abstract description 5
- 239000000498 cooling water Substances 0.000 abstract description 5
- 230000004927 fusion Effects 0.000 abstract 1
- 238000005086 pumping Methods 0.000 abstract 1
- 238000001179 sorption measurement Methods 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000004220 aggregation Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229940085805 fiberall Drugs 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Landscapes
- Optical Couplings Of Light Guides (AREA)
Abstract
The utility model provides an optic fibre laser output head, it includes quartzy end cap 4, laser energy transmitting optical fiber 6, metal covering 7 and quartz sleeve 8, quartzy end cap 4 closely cooperate in quartz sleeve 8's front end, laser energy transmitting optical fiber 6 has one section covering photospallation ware 5, 5 draws of covering photospallation ware quartzy 4 butt fusions of end cap to be fixed in hermetcally in the quartz sleeve 8, quartz sleeve 8 is fixed in hermetcally in the metal covering 7, metal covering 7 is equipped with inlet opening 9, apopore 10 and circulation cooling water and intercommunication 9 draws of inlet opening the clearance of apopore 10. Optic fibre laser output head can eliminate the reflection of light of returning of remaining pumping light and quartzy terminal surface at the covering photospallation ware of laser energy transmitting optical fiber setting, seal covering photospallation ware in quartz sleeve, can avoid effectively with cooling water direct contact, and then avoid aquatic impurity adsorption on optic fibre, eliminate the problem that burns out optic fibre because of the impurity absorption heat.
Description
Technical field
This utility model relates to laser technology field, particularly relates to a kind of high-power optical-fiber laser delivery and manufacture method thereof.
Background technology
Optical fiber laser, owing to having the advantages such as good beam quality, light-light conversion efficiency height, little, non-maintaining, the high stability of volume, is widely used in the fields such as industry, medical treatment and national defence.Development along with Fiber laser technology, the power of optical fiber laser output is more and more higher, when transmitting high power laser light, owing to the core diameter of doubly clad optical fiber is only small, the power density of the output end face of optical fiber is significantly high, any tiny defect and dirty optical fiber all can be made to burn out.
In order to solve this problem, generally all can at one quartzy end cap of outfan welding of optical fiber, to increase output facula, thus reducing the energy density of output facula.Specifically, quartz end cap and part fiber are sealed in metal tube, by cooling down water-cooled.But, the mode that this mode directly contacts with cooling water owing to adopting optical fiber is dispelled the heat, and the requirement of water quality is higher, and after long-time use, incrustation scale meeting adsorpting aggregation, at naked fine place, causes heat to discharge, thus burning laser delivery or laser instrument.
Utility model content
In view of this, in order to overcome defect and the problem of prior art, this utility model provides a kind of high-power optical-fiber laser delivery.
A kind of optical-fiber laser delivery, it includes quartz end cap 4, laser energy-transmission optic fibre 6, metallic sheath 7 and quartz socket tube 8, described quartz end cap 4 is fitted snugly within the front end of described quartz socket tube 8, described laser energy-transmission optic fibre 6 has one section of cladding light detacher 5, described cladding light detacher 5 and end cap 4 welding of described quartz, and it is sealingly fixed in described quartz socket tube 8, described quartz socket tube 8 is sealingly fixed in described metallic sheath 7, described metallic sheath 7 is provided with inlet opening 9, apopore 10 and circulation cool down water and connect the gap of described inlet opening 9 and described apopore 10, the front end of described metallic sheath 7 is connected to collimation sleeve 3, the front end of described collimation sleeve 3 is equipped with apart from adjustable collimating lens 2 and window screening glass 1, described window screening glass 1 is positioned at the port position of described collimation sleeve 3.
In this utility model one better embodiment, the exit end of described quartz end cap 4 is coated with anti-reflection film.
In this utility model one better embodiment, described quartz socket tube 8 is fixed in described metallic sheath 7 by metal seal 13.
In this utility model one better embodiment, described cladding light detacher 5 is sealed in quartz socket tube 8 by quartz seal bar 12.
In this utility model one better embodiment, the rear end of described metallic sheath 7 is provided with naked fine fixture 11, described naked fine fixture 11 and naked fine protection sleeve pipe 14 and fixes.
In this utility model one better embodiment, described naked fine protection sleeve pipe 14 is inserted in metal armouring sleeve pipe 15, and is fixed on the rear end of armouring fixed sleeving 16.
Relative to prior art, the optical-fiber laser delivery that this utility model provides is by laser energy-transmission optic fibre and quartz end cap welding, it is possible to reduces the power density of end face, bears higher laser power；Described laser energy-transmission optic fibre arrange cladding light detacher can eliminate remnant pump light and quartz end face return reflective；Cladding light detacher is sealed in quartz socket tube, it is possible to be effectively prevented from and cool down water and directly contact, and then can avoid the impurity absorption in water on optical fiber, eliminate the problem burning out optical fiber because of Impurity Absorption heat.
Accompanying drawing explanation
The schematic diagram of a kind of optical-fiber laser delivery that Fig. 1 provides for this utility model；
Fig. 2 is the flow chart of the manufacture method of optical-fiber laser delivery shown in Fig. 1.
Detailed description of the invention
For the ease of understanding this utility model, below with reference to relevant drawings, this utility model is described more fully.Accompanying drawing gives better embodiment of the present utility model.These are only preferred embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every equivalent structure utilizing this utility model description and accompanying drawing content to make or equivalence flow process conversion; or directly or indirectly it is used in other relevant technical fields, all in like manner include in scope of patent protection of the present utility model.
Unless otherwise defined, all of technology used herein and scientific terminology are identical with belonging to the implication that those skilled in the art of the present utility model are generally understood that.The purpose describing specific embodiment it is intended merely to herein, it is not intended that in restriction this utility model at term used in the description of the present utility model.Term as used herein " and/or " include the arbitrary and all of combination of one or more relevant Listed Items.
Refer to Fig. 1, this utility model first embodiment provides a kind of optical-fiber laser delivery, it includes quartz end cap 4, laser energy-transmission optic fibre 6, metallic sheath 7 and quartz socket tube 8, described quartz end cap 4 is fitted snugly within the front end of described quartz socket tube 8, described laser energy-transmission optic fibre 6 has one section of cladding light detacher 5, described cladding light detacher 5 and end cap 4 welding of described quartz, and it is sealingly fixed in described quartz socket tube 8, described quartz socket tube 8 is sealingly fixed in described metallic sheath 7, described metallic sheath 7 is provided with inlet opening 9, apopore 10 and circulation cool down water and connect the gap of described inlet opening 9 and described apopore 10.
Preferably, the exit end of described quartz end cap 4 is coated with anti-reflection film, thus can improve the laser exitance at described quartz end cap 4.In the present embodiment, described quartz end cap 4 hermetically coordinates the front inner surface of described quartz socket tube 8.
In the present embodiment, described laser energy-transmission optic fibre 6 has divested a segment length and has been about the coat of 4cm, and making the described cladding light detacher 5 of formation by chemical attack, described cladding light detacher 5 and the diameter made is about the described quartz end cap 4 of 8mm by large core fiber heat sealing machine welding.After welding is good, described cladding light detacher 5 is sealed in quartz socket tube 8 by quartz seal bar 12, and specifically, described quartz seal bar 12 hermetically coordinates the aft end interior surface of described quartz socket tube 8.
It is understood that described quartz end cap 4 and described quartz seal bar 12 seal described cladding light detacher 5 and the described laser energy-transmission optic fibre 6 of part respectively from the front-end and back-end of described quartz socket tube 8.
In the present embodiment, described quartz socket tube 8 is fixed in described metallic sheath 7 by metal seal 13.Specifically, the outer surface of the front end of described quartz socket tube 8 and the front inner surface of described metallic sheath 7 hermetically coordinate, the rear end of described quartz socket tube 8 is then closely attached described metal seal 13, and is hermetically coordinated by the aft end interior surface of described metal seal 13 and described metallic sheath 7.Preferably, the external diameter of described metal seal 13 is more than the external diameter of described quartz socket tube 8.
It is understandable that, the gap of the inlet opening 9 of described metallic sheath 7, apopore 10 and connection inlet opening 9 and apopore 10 collectively forms the passage of circulation cooling water, thus, described quartz socket tube 8 can directly be cooled down by cooling water, and then can effectively be lowered the temperature to described quartz end cap 4 and described quartz socket tube 8 are internal by heat exchange.
In the present embodiment, the rear end of described metallic sheath 7 is provided with naked fine fixture 11, and described naked fine fixture 11 is for fixing described laser energy-transmission optic fibre 6 at the naked fibre outside described quartz socket tube 8.Preferably, described naked fine fixture 11 and naked fine protection sleeve pipe 14 are fixed, and described naked fine protection sleeve pipe 14 is inserted in metal armouring sleeve pipe 15, and is fixed on the rear end of armouring fixed sleeving 16.
Further, the front end of described metallic sheath 7 is connected to collimation sleeve 3, and the front end of described collimation sleeve 3 is equipped with apart from adjustable collimating lens 2 and window screening glass 1, and described window screening glass 1 is positioned at the port position of described collimation sleeve 3.
Preferably, the front end of described metal canula 7 is connected by screw thread and collimation sleeve 3.
Referring to Fig. 2, this utility model the second embodiment provides the manufacture method of a kind of optical-fiber laser delivery, and it comprises the steps:
S101, divest one section of coat of laser energy-transmission optic fibre 6, make cladding light detacher 5.
In the present embodiment, divest described laser energy-transmission optic fibre 6 one segment length and be about the coat of 4cm, and make the described cladding light detacher 5 of formation by chemical attack.
S103, by described cladding light detacher 5 and quartz end cap 4 welding, and fixing seal is in quartz socket tube 8.
In the present embodiment, described cladding light detacher 5 and the diameter made is about the described quartz end cap 4 of 8mm by large core fiber heat sealing machine welding.After welding is good, described cladding light detacher 5 is sealed in quartz socket tube 8 by quartz seal bar 12.Specifically, described quartz end cap 4 hermetically coordinates the front inner surface of described quartz socket tube 8, and described quartz seal bar 12 hermetically coordinates the aft end interior surface of described quartz socket tube 8.Thus, described quartz end cap 4 and described quartz seal bar 12 seal described cladding light detacher 5 and the described laser energy-transmission optic fibre 6 of part respectively from the front-end and back-end of described quartz socket tube 8.
S105, described quartz socket tube 8 is inserted in metallic sheath 7, and seals the front-end and back-end in described metallic sheath 7.
In the present embodiment, the outer surface of the front end of described quartz socket tube 8 and the front inner surface of described metallic sheath 7 hermetically coordinate, the rear end of described quartz socket tube 8 is then closely attached described metal seal 13, and is hermetically coordinated by the aft end interior surface of described metal seal 13 and described metallic sheath 7.
Further, further comprising the steps of:
S107, naked fine protection set 14 is installed and is inserted in metal armouring sleeve pipe 15.
The front end of described metal canula 7 and collimation sleeve 3 are connected, determines output facula by regulating the position of collimating lens 2, then window screening glass 1 is installed.
Preferably, the front end of described metal canula 7 is connected by screw thread and collimation sleeve 3.
Relative to prior art, the optical-fiber laser delivery that this utility model provides is by laser energy-transmission optic fibre 6 and quartz end cap 4 welding, it is possible to reduces the power density of end face, bears higher laser power；Described laser energy-transmission optic fibre 6 arrange cladding light detacher 5 can eliminate remnant pump light and quartz end face return reflective；Cladding light detacher 5 is sealed in quartz socket tube 8, it is possible to be effectively prevented from and cool down water and directly contact, and then can avoid the impurity absorption in water on optical fiber, eliminate the problem burning out optical fiber because of Impurity Absorption heat.
Embodiment described above only have expressed several embodiments of the present utility model, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to this utility model the scope of the claims.It should be pointed out that, for the person of ordinary skill of the art, without departing from the concept of the premise utility, it is also possible to make some deformation and improvement, these broadly fall into protection domain of the present utility model.Therefore, the protection domain of this utility model patent should be as the criterion with claims.
Claims (6)
1. an optical-fiber laser delivery, it is characterized in that, including quartz end cap (4), laser energy-transmission optic fibre (6), metallic sheath (7) and quartz socket tube (8), described quartz end cap (4) is fitted snugly within the front end of described quartz socket tube (8), described laser energy-transmission optic fibre (6) has one section of cladding light detacher (5), described cladding light detacher (5) and end cap (4) welding of described quartz, and it is sealingly fixed in described quartz socket tube (8), described quartz socket tube (8) is sealingly fixed in described metallic sheath (7), described metallic sheath (7) is provided with inlet opening (9), apopore (10) and circulation cool down water and connect described inlet opening (9) and the gap of described apopore (10), the front end of described metallic sheath (7) is connected to collimation sleeve (3), the front end of described collimation sleeve (3) is equipped with apart from adjustable collimating lens (2) and window screening glass (1), described window screening glass (1) is positioned at the port position of described collimation sleeve (3).
2. optical-fiber laser delivery as claimed in claim 1, it is characterised in that the exit end of described quartz end cap (4) is coated with anti-reflection film.
3. optical-fiber laser delivery as claimed in claim 1, it is characterised in that described quartz socket tube (8) is fixed in described metallic sheath (7) by metal seal (13).
4. optical-fiber laser delivery as claimed in claim 1, it is characterised in that described cladding light detacher (5) is sealed in quartz socket tube (8) by quartz seal bar (12).
5. optical-fiber laser delivery as claimed in claim 1, it is characterised in that the rear end of described metallic sheath (7) is provided with naked fine fixture (11), and described naked fine fixture (11) and naked fine protection sleeve pipe (14) are fixed.
6. optical-fiber laser delivery as claimed in claim 5, it is characterised in that described naked fine protection sleeve pipe (14) is inserted in metal armouring sleeve pipe (15), and is fixed on the rear end of armouring fixed sleeving (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521126055.3U CN205353412U (en) | 2015-12-29 | 2015-12-29 | Optic fibre laser output head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521126055.3U CN205353412U (en) | 2015-12-29 | 2015-12-29 | Optic fibre laser output head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205353412U true CN205353412U (en) | 2016-06-29 |
Family
ID=56171366
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521126055.3U Expired - Fee Related CN205353412U (en) | 2015-12-29 | 2015-12-29 | Optic fibre laser output head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205353412U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105527679A (en) * | 2015-12-29 | 2016-04-27 | 孟祥宇 | Fiber laser output head and manufacturing method thereof |
| CN109426751A (en) * | 2017-08-28 | 2019-03-05 | 广州本安信息科技有限公司 | Detonator positioning scanning fixed mechanism |
-
2015
- 2015-12-29 CN CN201521126055.3U patent/CN205353412U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105527679A (en) * | 2015-12-29 | 2016-04-27 | 孟祥宇 | Fiber laser output head and manufacturing method thereof |
| CN105527679B (en) * | 2015-12-29 | 2017-11-28 | 孟祥宇 | A kind of optical-fiber laser export head and its manufacture method |
| CN109426751A (en) * | 2017-08-28 | 2019-03-05 | 广州本安信息科技有限公司 | Detonator positioning scanning fixed mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190828 Address after: 710054, Room 222, Second Floor, Administrative R&D Building, 18 Development Avenue, New Industrial Park, Xi'an High-tech Zone, Shaanxi Province Patentee after: Xi'an Zhongke Huixian Photoelectric Technology Co., Ltd. Address before: 710000 No. 60 West Avenue, Xi'an City, Shaanxi Province Patentee before: Zhu Xuewen |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160629 Termination date: 20201229 |