CN108459385A - A kind of fiber coupler for solid state laser - Google Patents
A kind of fiber coupler for solid state laser Download PDFInfo
- Publication number
- CN108459385A CN108459385A CN201810470399.8A CN201810470399A CN108459385A CN 108459385 A CN108459385 A CN 108459385A CN 201810470399 A CN201810470399 A CN 201810470399A CN 108459385 A CN108459385 A CN 108459385A
- Authority
- CN
- China
- Prior art keywords
- optical fiber
- solid state
- state laser
- fixed pedestal
- end caps
- 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.)
- Pending
Links
Classifications
-
- 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
-
- 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
- G02B6/4201—Packages, e.g. shape, construction, internal or external details
- G02B6/4256—Details of housings
- G02B6/4257—Details of housings having a supporting carrier or a mounting substrate or a mounting plate
Abstract
The present invention provides a kind of fiber couplers for solid state laser, including：Sheath, annular gripping sleeve, end caps, optical fiber fixed pedestal, spacer ring, collimating mirror, sealing element and cover board；Wherein, the sheath is connect with the optical fiber fixed pedestal, and the end caps are connected on the optical fiber fixed pedestal, and the annular gripping sleeve clamps the end caps；And the spacer ring, the collimating mirror, the sealing element, the cover board are assembled on the optical fiber fixed pedestal and form collimation mirror assembly；And the optical fiber fixed pedestal is connected to solid state laser to form solid state laser fiber coupler.
Description
Technical field
The invention belongs to semiconductor pumped or optical fiber laser pump solid state laser technical fields, and in particular to a kind of
In the pluggable integral compact fiber coupler of solid state laser.
Background technology
Extensive use with laser in civil and military field, all solid state laser (DPL) because its with it is small,
Light-weight, efficient, the advantages that performance is stable, good reliability, high beam quality, not only it is widely used in mark, scribing, engraving etc.
Civil field.Increasingly important role is also played in military domains such as laser guidance, photoelectronic warfares.Fiber coupling system is used
It is focused in gain crystal in by the output optical coupling of semiconductor laser or optical fiber laser, the stability of position repeats to determine
Position precision, shock resistance are directly related to the stability and reliability of entire laser.Usually fiber-optic output is fixed on
It is just adjusted above adjustable mirror holder, but its stability, reliability are poor, it is difficult under the complicated environmental conditions such as airborne, vehicle-mounted.
Invention content
For the problem that current fiber coupler stability, reliability are poor, the present invention provides a kind of integrated compact type
Fiber coupler.Optical fiber tail-end and coupling eyeglass are installed on the same pedestal by the integrated compact type fiber coupler,
Optical fiber tail-end protective case is clamped using protective metal shell simultaneously, ensures its stability, repetitive positioning accuracy and reliability.
According to the present invention, a kind of fiber coupler for solid state laser is provided, including：Protective metal shell, marmon clamp
Fixed, end caps, optical fiber fixed pedestal, spacer ring, collimating mirror, sealing element and cover board；Wherein, the protective metal shell with it is described
Optical fiber fixed pedestal connects, and the end caps are connected on the optical fiber fixed pedestal, described in the annular gripping sleeve clamping
End caps；And the spacer ring, the collimating mirror, the sealing element, the cover board are assembled on the optical fiber fixed pedestal
Form collimation mirror assembly；And the optical fiber fixed pedestal is connected to solid state laser to form solid state laser fiber coupling
Device.
Preferably, end caps are threadedly attached on optical fiber fixed pedestal.
Preferably, protective metal shell is connect by internal thread with the external screw thread of optical fiber fixed pedestal.
Preferably, the annular gripping sleeve is that taper marmon clamp is fixed；Moreover, the protective metal shell inner wall is designed with down
Angle is acted in the internal thread of the protective metal shell and chamfering in the externally threaded screw thread screwing operations of the optical fiber fixed pedestal
The fixed periphery of taper marmon clamp clamps the end caps.
Preferably, be provided with axis hole on the optical fiber fixed pedestal, the axis hole between end caps and cover board simultaneously
It is coaxial with end caps.
Preferably, the annular gripping sleeve is between protective metal shell and optical fiber fixed pedestal.
Preferably, the sealing element is gasket.
Preferably, the sealing element is sealing ring.
Preferably, the end caps are connect by internal thread with the optical fiber fixed pedestal using standard sub-miniature A connector.
Preferably, the sheath is protective metal shell.
In the present invention, end caps and collimating mirror are fixed on same light by this integrated compact type fiber coupler
To ensure that its stability on fine fixed pedestal；Protective metal shell and end caps are connect by screw thread with optical fiber fixed pedestal,
With preferable flexibility and repetitive positioning accuracy, to reduce the resetting difficulty of solid state laser；Moreover, the present invention uses
Protective metal shell and annular gripping sleeve clamp optical fiber tail-end, avoid transport or vibration processes that end caps junction is caused to fracture.By
As it can be seen that this is compared with prior art, the present invention have substantive features and progress, and is particularly suitable for the complicated ring such as airborne or vehicle-mounted
Under border.
Description of the drawings
In conjunction with attached drawing, and by reference to following detailed description, it will more easily have more complete understanding to the present invention
And its adjoint advantage and feature is more easily understood, wherein：
Fig. 1 schematically shows the sectional structure chart of the fiber coupler according to first preferred embodiment of the invention.
Fig. 2 schematically shows the sectional structure charts according to the fiber coupler of second preferred embodiment of the invention.
Reference sign：
1 it is protective metal shell, 2 be annular gripping sleeve, 3 be end caps, 4 be optical fiber fixed pedestal, 5 be spacer ring, 6 is collimation
Mirror, 7 be sealing element, 8 be cover board.
It should be noted that attached drawing is not intended to limit the present invention for illustrating the present invention.Note that indicating that the attached drawing of structure can
It can be not necessarily drawn to scale.Also, in attached drawing, same or similar element indicates same or similar label.
Specific implementation mode
In order to keep present disclosure more clear and understandable, with reference to specific embodiments and the drawings in the present invention
Appearance is described in detail.
Fig. 1 schematically shows the sectional structure chart of the fiber coupler according to first preferred embodiment of the invention.
As shown in Figure 1, the fiber coupler according to first preferred embodiment of the invention includes：Protective metal shell 1, annular clamp
Set 2, end caps 3, optical fiber fixed pedestal 4, spacer ring 5, collimating mirror 6, sealing element 7 (for example, gasket) and cover board 8.
Wherein, end caps 3 are connected on optical fiber fixed pedestal 4, and protective metal shell 1 is connect with optical fiber fixed pedestal 4；And
Spacer ring 5, collimating mirror 6, sealing element 7, cover board 8, which are assembled on optical fiber fixed pedestal 4, forms collimation mirror assembly；And optical fiber fixes base
Seat 4 is for being connected to solid state laser to form solid state laser fiber coupler.
Specifically, for example, end caps 3 are connected to by accurate shaft hole matching and external screw thread on optical fiber fixed pedestal 4, gold
Belong to sheath 1 to connect with 4 external screw thread of optical fiber fixed pedestal by internal thread.Annular gripping sleeve 2 clamps the end caps 3.Moreover,
In specific preferable example, 1 inner wall of protective metal shell is designed with chamfering, outside the internal thread and optical fiber fixed pedestal 4 of protective metal shell 1
Chamfering acts on the periphery of taper marmon clamp fixed 2 and clamps end caps 3 in the screw thread screwing operations of screw thread.
Consolidate for example, spacer ring 5, collimating mirror 6, sealing element 7, cover board 8 are assembled into optical fiber by accurate axis hole clearance fit
Determine to form collimation mirror assembly on pedestal 4, can meet the requirement of different collimating mirrors 6 by replacing different spacer rings 5.For example, right
In sealing element 7, replaces gasket that can also realize the sealing of fiber coupler using sealing ring, prevent external environment from influencing Solid State Laser
Device internal optical component.Optical fiber fixed pedestal 4 forms solid state laser optical fiber coupling by flanged joint to DPL solid state lasers
Clutch.
Preferably, it is provided with axis hole on the optical fiber fixed pedestal 4, the axis hole is between end caps 3 and cover board 8
And it is coaxial with end caps 3.Generally, the annular gripping sleeve 2 is between protective metal shell 1 and optical fiber fixed pedestal 4.
It should be noted that protective metal shell 1 can be the sheath of other appropriate materials, protective metal shell is only a kind of preferred
Material.
Fig. 2 schematically shows the sectional structure charts according to the fiber coupler of second preferred embodiment of the invention.Such as
Shown in Fig. 2, difference lies in end caps 3 use standard sub-miniature A connector, lead to for the second preferred embodiment and first preferred embodiment
It crosses internal thread to connect with optical fiber fixed pedestal 4, the embodiment is convenient for market general semiconductor optical fibre coupled laser and light
Fine fixed pedestal 4 connects.
The advantageous effect of this programme can be learnt according to the narration of said program：
(1) in the present invention, end caps and collimating mirror are fixed on same by this integrated compact type fiber coupler
To ensure that its stability on optical fiber fixed pedestal.
(2) in the present invention, protective metal shell and end caps are connect by screw thread with optical fiber fixed pedestal, are had preferable
Flexibility and repetitive positioning accuracy, to reduce the resetting difficulty of solid state laser.
(3) in the present invention, optical fiber tail-end is clamped using protective metal shell and annular gripping sleeve, avoids transport or vibration processes
End caps junction is caused to fracture.
It can be seen that compared with prior art, the present invention have substantive features and progress, it is particularly suitable for airborne or vehicle
Under the complex environments such as load.
It should be noted that all features disclosed in this specification or disclosed all methods, in addition to mutually exclusive
Other than feature/or method, it can combine in any way.
Furthermore, it is necessary to explanation, unless otherwise indicated, the otherwise term in specification " first ", " second ", " third "
Equal descriptions are used only for distinguishing various components, element, step etc. in specification, without be intended to indicate that various components, element,
Logical relation or ordinal relation between step etc..
It is understood that although the present invention has been disclosed in the preferred embodiments as above, above-described embodiment not to
Limit the present invention.For any person skilled in the art, without departing from the scope of the technical proposal of the invention,
Many possible changes and modifications all are made to technical solution of the present invention using the technology contents of the disclosure above, or are revised as
With the equivalent embodiment of variation.Therefore, every content without departing from technical solution of the present invention is right according to the technical essence of the invention
Any simple modifications, equivalents, and modifications made for any of the above embodiments still fall within the range of technical solution of the present invention protection
It is interior.
Claims (10)
1. a kind of fiber coupler for solid state laser, it is characterised in that including：Sheath, annular gripping sleeve, end caps,
Optical fiber fixed pedestal, spacer ring, collimating mirror, sealing element and cover board；Wherein, the sheath is connect with the optical fiber fixed pedestal,
The end caps are connected on the optical fiber fixed pedestal, and the annular gripping sleeve clamps the end caps；And it is described
Spacer ring, the collimating mirror, the sealing element, the cover board, which are assembled on the optical fiber fixed pedestal, forms collimation mirror assembly；And
And the optical fiber fixed pedestal is connected to solid state laser to form solid state laser fiber coupler.
2. the fiber coupler according to claim 1 for solid state laser, which is characterized in that the end caps are logical
It crosses and is threadedly coupled on the optical fiber fixed pedestal.
3. the fiber coupler according to claim 1 or 2 for solid state laser, which is characterized in that the sheath is logical
Internal thread is crossed to connect with the external screw thread of the optical fiber fixed pedestal.
4. the fiber coupler according to claim 3 for solid state laser, which is characterized in that the annular gripping sleeve
It is that taper marmon clamp is fixed；Moreover, the jacket inner wall is designed with chamfering, fixed in internal thread and the optical fiber of the sheath
Chamfering acts on the fixed periphery of taper marmon clamp and presss from both sides the end caps in the externally threaded screw thread screwing operations of pedestal
Tightly.
5. the fiber coupler according to claim 1 or 2 for solid state laser, which is characterized in that the optical fiber is solid
Determine to be provided with axis hole on pedestal, the axis hole is between end caps and cover board and coaxial with end caps.
6. the fiber coupler according to claim 1 or 2 for solid state laser, which is characterized in that the marmon clamp
It is fixed between the sheath and the optical fiber fixed pedestal.
7. the fiber coupler according to claim 1 or 2 for solid state laser, which is characterized in that the sealing element
It is gasket.
8. the fiber coupler according to claim 1 or 2 for solid state laser, which is characterized in that the sealing element
It is sealing ring.
9. the fiber coupler according to claim 1 or 2 for solid state laser, which is characterized in that the optical fiber end
Cap is connect by internal thread with the optical fiber fixed pedestal using standard sub-miniature A connector.
10. the fiber coupler according to claim 1 or 2 for solid state laser, which is characterized in that the sheath is
Protective metal shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810470399.8A CN108459385A (en) | 2018-05-16 | 2018-05-16 | A kind of fiber coupler for solid state laser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810470399.8A CN108459385A (en) | 2018-05-16 | 2018-05-16 | A kind of fiber coupler for solid state laser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108459385A true CN108459385A (en) | 2018-08-28 |
Family
ID=63215396
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810470399.8A Pending CN108459385A (en) | 2018-05-16 | 2018-05-16 | A kind of fiber coupler for solid state laser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108459385A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110044584A1 (en) * | 2009-08-19 | 2011-02-24 | Diba Industries, Inc. | Optical fiber connection assembly |
| CN102680093A (en) * | 2012-05-21 | 2012-09-19 | 广西工学院 | Multipurpose spectrophotometer |
| CN204287550U (en) * | 2014-12-04 | 2015-04-22 | 中国工程物理研究院应用电子学研究所 | A kind of plug type fiber coupling system connecting DPL laser instrument |
| CN107526139A (en) * | 2017-09-30 | 2017-12-29 | 武汉资联虹康科技股份有限公司 | The joints of optical fibre |
| CN206848516U (en) * | 2017-03-24 | 2018-01-05 | 重庆市光利医疗科技有限公司 | A kind of lighting fiber plug structure |
| CN208125964U (en) * | 2018-05-16 | 2018-11-20 | 北京华宇德信光电技术有限公司 | A kind of fiber coupler for solid state laser |
-
2018
- 2018-05-16 CN CN201810470399.8A patent/CN108459385A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110044584A1 (en) * | 2009-08-19 | 2011-02-24 | Diba Industries, Inc. | Optical fiber connection assembly |
| CN102680093A (en) * | 2012-05-21 | 2012-09-19 | 广西工学院 | Multipurpose spectrophotometer |
| CN204287550U (en) * | 2014-12-04 | 2015-04-22 | 中国工程物理研究院应用电子学研究所 | A kind of plug type fiber coupling system connecting DPL laser instrument |
| CN206848516U (en) * | 2017-03-24 | 2018-01-05 | 重庆市光利医疗科技有限公司 | A kind of lighting fiber plug structure |
| CN107526139A (en) * | 2017-09-30 | 2017-12-29 | 武汉资联虹康科技股份有限公司 | The joints of optical fibre |
| CN208125964U (en) * | 2018-05-16 | 2018-11-20 | 北京华宇德信光电技术有限公司 | A kind of fiber coupler for solid state laser |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20190605 Address after: Room C501, Five Floors, Block C, Building 6, North Territory B, Dongsheng Science Park, Zhongguancun, 66 Xixiaokou Road, Haidian District, Beijing, 100192 Applicant after: Beijing Cathay Pacific Blue Shield Technology Co. Ltd. Address before: Room C601, Block C, Building 6, North Territory B, Dongsheng Science Park, 66 Xixiaokou Road, Haidian District, Beijing, 100192 Applicant before: Beijing Huayu Dexin Photoelectric Technology Co Ltd |