CN108802918A - A kind of detachable laser light source fiber coupler - Google Patents
A kind of detachable laser light source fiber coupler Download PDFInfo
- Publication number
- CN108802918A CN108802918A CN201810502962.5A CN201810502962A CN108802918A CN 108802918 A CN108802918 A CN 108802918A CN 201810502962 A CN201810502962 A CN 201810502962A CN 108802918 A CN108802918 A CN 108802918A
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- China
- Prior art keywords
- coupler
- laser
- coupling
- optical fiber
- light source
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4201—Packages, e.g. shape, construction, internal or external details
- G02B6/4204—Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4296—Coupling light guides with opto-electronic elements coupling with sources of high radiant energy, e.g. high power lasers, high temperature light sources
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Couplings Of Light Guides (AREA)
Abstract
The present invention discloses a kind of detachable laser light source fiber coupler, including：Coupler, laser, laser enclosure, optical fiber connector and optical fiber；The laser is fixed in laser enclosure, the one end open of the laser enclosure；The coupler is fixed to the open side of the laser enclosure by screw, and the coupling focal length between the coupler and laser realizes the adjustment of lens axial distance to adjust by the Contact Transmission of lens screw and the circular conical surface fixture of convergent lens；The optical fiber is connected to the flange on the coupler by optical fiber connector.Optical fiber, coupler and laser light source of the present invention can load and unload, and coupling adjustment mode is flexibly and simple, has many advantages, such as easy to use and flexible.
Description
Technical field
The present invention relates to light source-fiber coupling technique fields, more particularly, to a kind of detachable laser light source optical fiber
Coupler.
Background technology
Existing laser light source fiber coupler is generally only applicable to single light source and optical fiber, replaces the light for needing to couple
Coupler is just needed replacing after source and optical fiber so that there are certain limitations in terms of application intelligence for coupler.
Existing laser light source fiber coupler is generally merely able to the coupling position in adjustment plane in terms of adjustment so that
Laser beam is directed at coupler center, but can not adjust focal length when coupling, so can not make laser beam accurately coupling
It closes into optical fiber, the hot spot of coupling optical fiber output cannot be made minimum so that there are limitations for the light beam application of optical fiber output.
Invention content
In view of the drawbacks of the prior art, it is an object of the invention to solve existing laser light source fiber coupler to be only applicable to
Single light source and optical fiber, using there are certain limitations in terms of intelligence；And focal length when coupling can not be adjusted, it can not make
Laser beam accurately coupled into optical fibres, cannot make the technical problem of the hot spot minimum of coupling optical fiber output.
To achieve the above object, the present invention provides a kind of detachable laser light source fiber coupler, including：Coupler,
Laser, laser enclosure, optical fiber connector and optical fiber；
The laser is fixed in laser enclosure, the one end open of the laser enclosure；The coupler includes
Focus lamp is coupled, the coupler is fixed to the open side of the laser enclosure, the coupler and laser by screw
Between coupling focal length adjusted by lens screw on coupler, pressed from both sides using an axial circular milled-conical-surface clamp in the coupler
Coupling focus lamp is held, the circular conical surface axial direction fixture is fixed using spring in the axial direction, the lens screw and axial circular
Bore fixture contact makes circular conical surface fixture move left and right, with by adjusting coupling by adjusting moving up and down for lens screw
The axial distance of focus lamp adjusts the coupling focal length；The optical fiber is connected to by optical fiber connector on the coupler
Flange.
Optionally, there are two coupling position adjusting screws on the coupler, for coupling in two degrees of freedom adjustment coupler
Close the position of the relatively described laser of focus lamp so that the coupler center position of the coupling focus lamp is accurately aimed at the laser
The laser beam of device transmitting.
Optionally, there are coupling position fixing screws on the coupler, it is solid after being adjusted for heart position in a coupling
The position of the fixed coupling focus lamp.
Optionally, there are focusing fixing screws on the coupler, for fixing the coupling after coupling Focussing determines
Complex focus.
Optionally, the laser enclosure is designed according to the size of laser dimensions and coupler, and coupler is answered
It uses on different lasers.
Optionally, one side opening of the laser enclosure can also reduce stray light and enter inside laser enclosure, reduce
Laser and the error in coupler coupling process.
Optionally, there is flange on the coupler, for loading and unloading the optical fiber with optical fiber connector.
In general, through the invention it is contemplated above technical scheme is compared with the prior art, have below beneficial to effect
Fruit：
Coupler can be applied on different lasers by the present invention by the method for designing corresponding laser enclosure, be made
It is wider to obtain the coupler application range.
The present invention can be realized by the Contact Transmission of lens screw and the circular conical surface fixture of convergent lens lens it is axial away from
From adjustment, achieve the purpose that adjustment coupling focal length so that laser beam preferably coupled into optical fibres can improve coupling efficiency
Meanwhile promoting the quality of optical fiber output light beam.
Description of the drawings
Fig. 1 is the appearance schematic top plan view of detachable laser light source fiber coupler provided by the invention；
Fig. 2 is the appearance schematic elevation view of detachable laser light source fiber coupler provided by the invention；
Fig. 3 is the appearance schematic side view of detachable laser light source fiber coupler provided by the invention；
Fig. 4 is the diagrammatic cross-section of detachable laser light source fiber coupler provided by the invention；
In all the appended drawings, identical reference numeral is used for indicating identical element or structure, wherein：1 is coupler, 2
It is laser enclosure for laser, 3,4 be light splitting camera lens, and 5 be focusing fixing screws, and 6 be lens screw, and 7 be coupling position tune
Whole screw, 8 be coupling position fixing screws, and 9 be cover clamp, and 10 be flange, and 11 be flange mounting screw, and 12 be light
Fiber connector, 13 be optical fiber, and 14 be coupler mounting screw, and 15 be cover clamp mounting screw, and 16 be coupling focus lamp.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.As long as in addition, technical characteristic involved in the various embodiments of the present invention described below
It does not constitute a conflict with each other and can be combined with each other.
In view of the above-mentioned problems, the present invention provides, one kind is flexible and convenient to use, and coupling is accurate, can be applied to different laser
Device, and light beam coupling position can be adjusted and couple the detachable laser light source fiber coupling of focus lamp and optical fiber spacing
Device.
The technical solution adopted by the present invention to solve the technical problems is：Laser is fixed on laser enclosure, coupling
Device is fixed to laser enclosure output end, and the position essence of coupled system is adjusted by two coupling position adjusting screw two degrees of freedom
Really alignment laser beam, then the distance of optical fiber and coupling focus lamp is adjusted to obtain most accurate coupling shape by lens screw
State.Made in the axial direction using an axial circular milled-conical-surface clamp clamping coupling focus lamp, circular conical surface axial direction fixture in coupler
Fix lens screw and axial circular cone fixture contact with spring makes circular conical surface fixture by adjusting moving up and down for lens screw
It moves left and right, the coupling focal length is adjusted with the axial distance by adjusting coupling focus lamp.
According to laser dimensions and the corresponding laser enclosure of coupler design, laser is installed to laser enclosure
It is interior, while coupler can be fixed to by screw on laser enclosure, can allow coupler and difference by this method
Laser connects work.
Laser is in semi-enclosed laser enclosure, can be effectively reduced the entrance of spuious ambient light, be prevented from coupling
Unnecessary error is introduced in the process.
Two coupling position adjusting screws can adjust the position of coupler center with two degrees of freedom so that coupled system center is accurate
Really alignment laser beam reduces the loss in coupling process, coupling efficiency is made to maximize.
Coupling position fixing screws are designed, has been adjusted and has been tightened the screw after coupling position and can be prevented with fixed coupling position
Because external environment is vibrated or maloperation causes coupling position to generate unnecessary variation.
Lens screw adjustment coupling focal length, makes laser beam preferably coupled into optical fibres, is further increasing coupling efficiency
While, the quality of optical fiber output light beam can also be promoted.
Design focusing fixing screws, adjust coupling focal length after tighten the screw can with fixed coupling focal length, prevent because of
External environment is vibrated or maloperation causes spacing to generate unnecessary variation.
Coupler beam-outlet end design interface flange, can easily load and unload coupling optical fiber, make coupler using more
It is convenient.
Dismountable laser light source fiber coupler provided by the invention, main points are：Laser is fixed on outside laser
Work in shell, coupler can be fixed on laser enclosure.Lens screw can adjust optical fiber on coupler and coupling focuses
The distance of mirror is used in combination focusing fixing screws to fix；Two coupling position adjusting screws can adjust coupling position, make laser beam
It is aligned with coupler center, coupling position fixing screws is used in combination to fix, had flange that can easily load and unload on coupler and carry
The optical fiber of corresponding optical fiber connector.Optical fiber, coupler and laser light source of the present invention can load and unload, coupling adjustment mode flexibly and
And it is simple, have many advantages, such as easy to use and flexible.
Fig. 1, Fig. 3 and Fig. 4 are highly preferred embodiment of the present invention, are done further to the present invention with reference to Fig. 1, Fig. 3 and Fig. 4
Explanation.
1 is coupler, and 2 be laser, and 3 be laser enclosure, and 4 be light splitting camera lens, and 5 be focusing fixing screws, and 6 be focusing
Screw, 7 be coupling position adjusting screw, and 8 be coupling position fixing screws, and 9 be cover clamp, and 10 be flange, and 11 be interface
Flange mounting screw, 12 be optical fiber connector, and 13 be optical fiber, and 14 be coupler mounting screw, and 15 be cover clamp mounting screw, 16
To couple focus lamp.
With reference to attached drawing 1：Laser 2 can be fixed on laser by 3 size of laser enclosure according to 2 size design of laser
In device shell 3.
Wherein, light splitting camera lens 4 is used for fixed aggregate lens.Cover clamp 9 is used for connecting interface flange 10 and laser enclosure
3.Flange mounting screw 11 is used for the fixed interface flange 10 on coupler 1.As shown in Figure 1, coupling position adjusting screw 7
There are two, it is distributed in the symmetric position of opposite Fig. 1 central shafts.
With reference to attached drawing 3：Coupler is fixed to laser enclosure 2 by coupler mounting screw 14, receives laser output
Light beam.
Wherein, cover clamp mounting screw 15 is used for stationary gland plate 9.
With reference to attached drawing 4：Two coupling position adjusting screws 7, it (includes flange that coupled system can be adjusted with two degrees of freedom
10 and coupling focus lamp 16 etc.) position, tightening coupling position fixing screws 8 can be with the position of fixed coupling system.
Wherein, coupling focus lamp 16 is used to receive the laser beam of the transmitting of laser 2, and is sent after laser beam is coupled
To optical fiber 13, the coupler center position of coupling focus lamp 16 is the coupler center position of coupler 1.
With reference to attached drawing 1：Lens screw 6 adjustment coupling the distance between focus lamp 16 and optical fiber 14, and focusing can be tightened
Fixing screws 5 fix the distance.
With reference to attached drawing 1：Flange 10 is the interface of SMA types, and the optical fiber 13 with SMA905 optical fiber connectors 12 can be with
It is inserted directly into connection and fixation.
With reference to attached drawing 1：What laser 2 was sent out is the laser of 532nm, corresponding fiber selection IRHCS400-2200 models
100um core optical fibers are lost very small in 532nm wave bands.
It is as follows that coupling step is carried out to laser light source and optical fiber using above-mentioned coupler：
Step a. installation fixed lasers 2 and coupler 1, the optical fiber 13 with SMA905 optical fiber connectors 12 is connect
Mouth flange 10, laser is opened after installing.
Step b. adjusts two coupling position adjusting screws 7 and tests the light intensity of 13 output beam of optical fiber, works as optical fiber output
It can consider that laser beam and coupled system center are aligned when light intensity is most strong, then tighten coupling position fixing screws 8.
The step c. adjustment lens screw 6 and spot size for observing optical fiber output is tightened when spot size reaches minimum
Focusing fixing screws 5, laser light source and optical fiber reach ideal couple state at this time.
As it will be easily appreciated by one skilled in the art that the foregoing is merely illustrative of the preferred embodiments of the present invention, not to
The limitation present invention, all within the spirits and principles of the present invention made by all any modification, equivalent and improvement etc., should all include
Within protection scope of the present invention.
Claims (7)
1. a kind of detachable laser light source fiber coupler, which is characterized in that including：Coupler (1), laser (2), laser
Device shell (3), optical fiber connector (12) and optical fiber (13)；
The laser (2) is fixed in laser enclosure (3), the one end open of the laser enclosure (3)；
The coupler (1) includes coupling focus lamp (16), and the coupler (1) is fixed to the laser enclosure by screw
(3) open side, the coupling focal length between the coupler (1) and laser (2) pass through the lens screw on coupler (1)
(6) it adjusts, an axial circular milled-conical-surface clamp clamping coupling focus lamp (16), the circular conical surface axis is used in the coupler (1)
It is fixed in the axial direction using spring to fixture, the lens screw (6) and axial circular cone fixture contact are focused by adjusting
Screw (6) move up and down, and circular conical surface fixture is made to move left and right, with the axial distance by adjusting coupling focus lamp (16)
To adjust the coupling focal length；
The optical fiber (13) is connected to the flange (10) on the coupler (1) by optical fiber connector (12).
2. detachable laser light source fiber coupler according to claim 1, it is characterised in that：The coupler (1)
Upper there are two coupling position adjusting screws (7), for two degrees of freedom adjustment coupling focus lamp (16) relatively described laser (2)
Position so that the coupler center position of the coupling focus lamp (16) is accurately aimed at the laser beam of the laser (2) transmitting.
3. detachable laser light source fiber coupler according to claim 2, it is characterised in that：The coupler (1)
On have coupling position fixing screws (8), the coupling focus lamp (16) is fixed after being adjusted for heart position in a coupling
Position.
4. detachable laser light source fiber coupler according to claim 1, it is characterised in that：The coupler (1)
On have focusing fixing screws (5), for coupling Focussing determine after fix the coupling focal length.
5. detachable laser light source fiber coupler according to claim 1, it is characterised in that：The laser enclosure
(3) it is designed according to laser (2) size and the size of coupler (1), coupler (1) is applied to different lasers
(2) on.
6. detachable laser light source fiber coupler according to claim 1, it is characterised in that：The laser enclosure
(3) one side openings can also reduce stray light and enter laser enclosure (3) inside, reduce laser (2) and coupled with coupler (1)
Error in the process.
7. detachable laser light source fiber coupler according to claim 1, it is characterised in that：The coupler (1)
On have flange (10), for load and unload carry optical fiber connector (12) optical fiber (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810502962.5A CN108802918B (en) | 2018-05-23 | 2018-05-23 | A kind of detachable laser light source fiber coupler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810502962.5A CN108802918B (en) | 2018-05-23 | 2018-05-23 | A kind of detachable laser light source fiber coupler |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108802918A true CN108802918A (en) | 2018-11-13 |
| CN108802918B CN108802918B (en) | 2019-10-25 |
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ID=64092835
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810502962.5A Active CN108802918B (en) | 2018-05-23 | 2018-05-23 | A kind of detachable laser light source fiber coupler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108802918B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113467015A (en) * | 2021-08-03 | 2021-10-01 | 新疆师范大学 | Center calibrating device of laser coupling platform |
| CN113805277A (en) * | 2021-11-18 | 2021-12-17 | 之江实验室 | Locking optical fiber coupler capable of being precisely adjusted in multiple dimensions |
| CN114670306A (en) * | 2022-04-20 | 2022-06-28 | 佛山豪德数控机械有限公司 | Intelligent laser edge bonding machine |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201887329U (en) * | 2010-12-17 | 2011-06-29 | 扬州科莱斯激光技术有限公司 | Optical fibre coupling device of high-power semiconductor laser |
-
2018
- 2018-05-23 CN CN201810502962.5A patent/CN108802918B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201887329U (en) * | 2010-12-17 | 2011-06-29 | 扬州科莱斯激光技术有限公司 | Optical fibre coupling device of high-power semiconductor laser |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113467015A (en) * | 2021-08-03 | 2021-10-01 | 新疆师范大学 | Center calibrating device of laser coupling platform |
| CN113805277A (en) * | 2021-11-18 | 2021-12-17 | 之江实验室 | Locking optical fiber coupler capable of being precisely adjusted in multiple dimensions |
| CN114670306A (en) * | 2022-04-20 | 2022-06-28 | 佛山豪德数控机械有限公司 | Intelligent laser edge bonding machine |
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| Publication number | Publication date |
|---|---|
| CN108802918B (en) | 2019-10-25 |
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