CN207051544U - Fiber coupling device - Google Patents
Fiber coupling device Download PDFInfo
- Publication number
- CN207051544U CN207051544U CN201720958184.1U CN201720958184U CN207051544U CN 207051544 U CN207051544 U CN 207051544U CN 201720958184 U CN201720958184 U CN 201720958184U CN 207051544 U CN207051544 U CN 207051544U
- Authority
- CN
- China
- Prior art keywords
- fixed
- fiber
- seat
- mirror sleeve
- coupling
- 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.)
- Active
Links
Landscapes
- Optical Couplings Of Light Guides (AREA)
Abstract
The utility model provides a kind of fiber coupling device, and it includes：Insert optical fiber fiber bench, be fixed in fiber bench temp probe, be fixedly connected in fiber bench coupling seat, be fixed on coupling seat mirror sleeve fixed seat, be fixed on coupling seat gland, be fixed in mirror sleeve fixed seat mirror sleeve, be fixed in mirror sleeve focusing lens, be fixed on the lock sleeve in mirror sleeve, at least one adjusting screw on coupling seat and the locking nut in adjusting screw.The utility model adds temperature protection function, and temp probe is mounted with the fiber end face position of fiber bench, if laser serious deflection occurs and do not have coupled into optical fibres, fiber bench or optical fiber head can be caused to generate heat；Temp probe can feed back in time in the case where temperature is too high, and then cut off Laser output, protect optical fiber.
Description
Technical field
The utility model belongs to technical field of optical fiber, more particularly to a kind of fiber coupling device.
Background technology
Great-power solid laser has important application valency in the industrial processes such as the cutting, welding, cladding of metal material
Value, he is that laser bar is inspired laser, by the final coupled into optical fibres of a series of optical mirror slip, made by optical pumping
Obtaining laser can transmit in a fiber, realize the flexibility of Laser Processing.The power attenuation of optical fiber transmission is essentially from optical fiber end
The reflection in face and coupling scattering.Used in usual high power laser is multimode fibre, and length only has more than ten meters, own loss compared with
It is low, therefore the loss of large power solid laser fibre-optic transmission system (FOTS) mostlys come from the coupling of laser beam and optical fiber.If laser
The mechanical alignment error of beam and optical fiber is larger, will produce the radiation loss of laser, and then reduce laser coupling efficiency.So set
Meter one can realize laser and optical fiber exactitude position and the high coupling device of coupling efficiency is answered great-power solid laser
With being significant.
Utility model content
The utility model provides a kind of low cost, the fiber coupling device of temperature protection effect.
The utility model provides a kind of fiber coupling device, it is characterised in that it includes：Insert the fiber bench of optical fiber, consolidate
The temp probe that is scheduled in fiber bench, the coupling seat being fixedly connected in fiber bench, the mirror sleeve fixed seat being fixed on coupling seat,
The gland that is fixed on coupling seat, the mirror sleeve being fixed in mirror sleeve fixed seat, the focusing lens being fixed in mirror sleeve, it is fixed on mirror
Lock sleeve, at least one adjusting screw on coupling seat and the locking nut in adjusting screw put.
Preferably, in addition to the connection temp probe and the temp probe set of fiber bench.
Preferably, it is additionally included at least one pretension post for connecting the coupling seat and mirror sleeve fixed seat in the radial direction
Plug.
Preferably, the pretension plunger is provided with 4.
Preferably, the gland is located at outside pretension plunger.
Preferably, mirror sleeve fixed seat is close to coupling seat by pretension plunger end face.
Preferably, the adjusting screw and locking nut are equipped with 4.
Preferably, in addition to by focusing lens the spacer ring and trim ring being fixed in mirror sleeve.
The utility model adds temperature protection function, is mounted with temp probe in the fiber end face position of fiber bench, such as
There is serious deflection and does not have coupled into optical fibres in fruit laser, and fiber bench or optical fiber head can be caused to generate heat；Temp probe can be in temperature
Fed back in time in the case of spending height, and then cut off Laser output, protect optical fiber.
Brief description of the drawings
Fig. 1 is the three-dimensional exploded view of the utility model fiber coupling device；
Fig. 2 is the front view of fiber coupling device shown in Fig. 1；
Fig. 3 is sectional views of the Fig. 2 in A-A directions.
Figure number explanation：1- fiber bench 2- temp probe 3- temp probes cover 4- coupling seat 5- pretension plunger 6- glands
7- mirror sleeve fixed seat 8- spacer ring 9- lock sleeve 10- mirror sleeve 11- trim ring 12- focusing lens
Embodiment
As shown in Figure 1 to Figure 3, the utility model fiber coupling device, it is sharp for the pump cavity of solid state laser to be sent
Device in light beam coupling to optical fiber, it includes：The fiber bench 1 for inserting optical fiber, the temp probe 2 being fixed in fiber bench 1, connect
Jointing temp probe 2 and the temp probe set 3 of fiber bench 1, it is fixedly connected in fiber bench 1 and is used as whole fiber coupling device base
Seat coupling seat 4, be fixed on by pretension plunger 5 on coupling seat 4 mirror sleeve fixed seat 7, be fixed on coupling seat 4 gland 6,
The mirror sleeve 10 that is fixed in mirror sleeve fixed seat 7, the focusing lens 12 being fixed in mirror sleeve 10, focusing lens 12 are fixed on mirror sleeve
Spacer ring 8 and trim ring 11 in 10, the lock sleeve 9 being fixed in mirror sleeve 10, the adjusting screw 13 on coupling seat 4 and
Locking nut 14 in adjusting screw 13.
Temp probe 2 is used for the temperature of detection fiber cross section place；Coupling seat 4 is close in the end face of pretension plunger 5, to cause
Mirror sleeve fixed seat 7 is fixed on coupling seat 4；Gland 6 is located at outside pretension plunger 5；There is hole among gland 6；
Coupling seat 4 is the pedestal of whole device, and mirror sleeve fixed seat 7 is close to coupling seat 4 by the end face of pretension plunger 5；Pressure
Lid 6 is fixed on coupling seat 4, has hole among gland 6；Mirror sleeve 10 is fixed in mirror sleeve fixed seat 7, and focusing lens 12 pass through spacer ring
8 and trim ring 11 be fixed in mirror sleeve 10；Lock sleeve 9 is fixed in mirror sleeve 10, and adjusting screw 13 is arranged on coupling seat 4, locking
Nut 14 is arranged in adjusting screw 13.
The utility model fiber coupling device, to make laser beam coupled into optical fibres, this fiber coupling device devises two
The governor motion in direction, is adjusted axially and radiai adjustment.The effect of axial regulating mechanism is to adjust the focal position of laser so that
Focal position is located exactly at the plane where fiber end face.
Realized axially through mirror sleeve 10 and the relative motion of mirror sleeve fixed seat 7, mirror sleeve 10 includes two sections with mirror sleeve fixed seat 7
Coordinate：One section is that fine thread engages, and rotation mirror sleeve 10 can drive focusing lens 12 to be axially moved, and another section close with being combined into
Gap coordinates, and reduces because of coaxiality error caused by thread pitch.
The effect of radiai adjustment mechanism is that laser beam is adjusted into fiber optic hub.Radiai adjustment is included along coupling seat outer ring
Uniform 4 adjusting screws, 13,4 locking nuts 14 and 4 pretension plungers 5 on gland 6, are manually turned round
Dynamic adjusting screw 13, the fixed seat of mirror sleeve 10 can be caused relative to the relative radiai adjustment slided, realize eyeglass 12 of coupling seat 4.
Rocked to avoid regulation process mirror sleeve fixed seat from producing, add 4 pretension plungers 5, pass through the side of elastic compression
Coupling seat 4 is close in the end face of mirror sleeve fixed seat 7 by formula, can adjust pretightning force by adjusting pretension plunger 5.
To ensure the stability of structure after adjusting, axial regulating mechanism is provided with a lock sleeve 9, and radiai adjustment mechanism is provided with
4 locking nuts.
For the utility model by test optical fiber power coupling efficiency up to 94.7%, optical fiber energy coupling efficiency is reachable
93.7%, see below Tables 1 and 2：
Table 1
Table 2
The utility model adds temperature protection function, is mounted with temp probe 2 in the fiber end face position of fiber bench, such as
There is serious deflection and does not have coupled into optical fibres in fruit laser, and fiber bench or optical fiber head can be caused to generate heat.Temp probe can be in temperature
Fed back in time in the case of spending height, and then cut off Laser output, protect optical fiber.
Preferred embodiment of the present utility model described in detail above, but the utility model is not limited to above-mentioned implementation
Detail in mode, in range of the technology design of the present utility model, the technical solution of the utility model can be carried out
A variety of equivalents, these equivalents belong to the scope of protection of the utility model.
Claims (8)
1. a kind of fiber coupling device, it is characterised in that it includes：Insert fiber bench, the temperature being fixed in fiber bench of optical fiber
Degree probe, be fixedly connected in fiber bench coupling seat, be fixed on coupling seat mirror sleeve fixed seat, be fixed on coupling seat
Gland, the mirror sleeve being fixed in mirror sleeve fixed seat, the focusing lens being fixed in mirror sleeve, the lock sleeve being fixed in mirror sleeve, peace
At least one adjusting screw on coupling seat and the locking nut in adjusting screw.
2. fiber coupling device according to claim 1, it is characterised in that：Also include connecting the temp probe and optical fiber
The temp probe set of seat.
3. fiber coupling device according to claim 1, it is characterised in that：It is additionally included in and connects the coupling in the radial direction
Close seat and at least one pretension plunger of mirror sleeve fixed seat.
4. fiber coupling device according to claim 3, it is characterised in that：The pretension plunger is provided with 4.
5. the fiber coupling device according to claim 3 or 4, it is characterised in that：The gland is located at outside pretension plunger.
6. the fiber coupling device according to claim 3 or 4, it is characterised in that：Mirror sleeve fixed seat passes through pretension plunger end
It is close to coupling seat in face.
7. fiber coupling device according to claim 1, it is characterised in that：The adjusting screw and locking nut are equipped with
4.
8. fiber coupling device according to claim 1, it is characterised in that：Also include focusing lens being fixed in mirror sleeve
Spacer ring and trim ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720958184.1U CN207051544U (en) | 2017-08-02 | 2017-08-02 | Fiber coupling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720958184.1U CN207051544U (en) | 2017-08-02 | 2017-08-02 | Fiber coupling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207051544U true CN207051544U (en) | 2018-02-27 |
Family
ID=61498785
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720958184.1U Active CN207051544U (en) | 2017-08-02 | 2017-08-02 | Fiber coupling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207051544U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108588712A (en) * | 2018-08-14 | 2018-09-28 | 辽宁增材制造产业技术研究院有限公司 | A kind of accurate Z axis regulating mechanism of laser head |
| CN110095019A (en) * | 2019-04-30 | 2019-08-06 | 南通巨浪光电科技有限公司 | A kind of laser light source reflex sight |
-
2017
- 2017-08-02 CN CN201720958184.1U patent/CN207051544U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108588712A (en) * | 2018-08-14 | 2018-09-28 | 辽宁增材制造产业技术研究院有限公司 | A kind of accurate Z axis regulating mechanism of laser head |
| CN110095019A (en) * | 2019-04-30 | 2019-08-06 | 南通巨浪光电科技有限公司 | A kind of laser light source reflex sight |
| CN110095019B (en) * | 2019-04-30 | 2024-04-16 | 南通巨浪光电科技有限公司 | Laser light source reflection type sighting telescope |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207051544U (en) | Fiber coupling device | |
| CN211539912U (en) | Laser coupling adjustment mechanism | |
| CN103176226A (en) | Dodging special-shaped lens used for shaping semiconductor laser leams, dodging laser source and optical system | |
| CN105910555B (en) | A kind of quasi-static system of detection correction beam direction alignment high-precision | |
| CN203380515U (en) | Optical fiber laser cutting device | |
| CN202815264U (en) | Optical fiber coupling structure | |
| CN105953739A (en) | Transverse deformation measuring system and method based on laser irradiation intensity variation | |
| CN109633921A (en) | Laser mirror assistant resetting device and its application method | |
| CN105244742A (en) | Optical pumped gas laser | |
| CN204115925U (en) | Multaxial stress photonic crystal fiber proving installation | |
| CN205004613U (en) | Brief four ways holmium laser | |
| CN104570269A (en) | Focusing convergent mirror set device of airborne area array imager | |
| Yan et al. | Influence of positioning errors of optical shaping components for single emitter laser diode on beam shaping effects | |
| CN206684396U (en) | The debugging system of small single mode single optical fiber calibrator with a tight waist | |
| CN206920654U (en) | A kind of achromatic optical-fiber laser coupled system | |
| CN102841409B (en) | Fine light beam small divergence angle optical fiber coupling structure | |
| CN211539913U (en) | Take water-cooled laser coupling adjustment mechanism | |
| CN206773235U (en) | A kind of optical coupled frame | |
| CN216829158U (en) | Laser welding gun convenient to equipment and light path overhaul | |
| CN206920658U (en) | A kind of fiber coupling device | |
| CN205051162U (en) | Optical pumping gas laser | |
| CN204086693U (en) | The high-power adjustable spot delivery of one class | |
| CN110007476B (en) | Automatically adjustable laser attenuator | |
| CN103212722A (en) | Method for processing Fery prism | |
| CN2904397Y (en) | Optical fiber output laser for parallel machine tool |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |