CN209167599U - A kind of semiconductor laser collimation fixture - Google Patents
A kind of semiconductor laser collimation fixture Download PDFInfo
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- CN209167599U CN209167599U CN201822116115.3U CN201822116115U CN209167599U CN 209167599 U CN209167599 U CN 209167599U CN 201822116115 U CN201822116115 U CN 201822116115U CN 209167599 U CN209167599 U CN 209167599U
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Abstract
A kind of semiconductor laser collimation fixture, is related to laser equipment field, including jig main body, support arm and adjusting knob, and one end of support arm is fixedly connected with jig main body, and the other end of support arm is equipped with mounting table, for placing lens；Equipped with cavity and the telescopic spring device being slidably connected in cavity in jig main body, the side wall that one end of telescopic spring device passes through jig main body is fixedly connected with adjusting knob；The other end of telescopic spring device is equipped with compression bar, and compression bar extends to the outside of jig main body to clamp the lens being placed on the mounting table.The utility model relates to a kind of semiconductor laser collimate fixture, telescopic spring device, which is arranged, makes compression bar have the function of buffering when clamping the lens on mounting table and clamp, prevent dynamics is excessive to be caught broken lens, and adjusting knob locking spring telescopic device, mounting table and compression bar can be made to keep clamped condition；Structure simple functions are practical.
Description
Technical field
The utility model belongs to laser equipment field, collimates fixture more particularly, to a kind of semiconductor laser.
Background technique
Most of encapsulation technology of semiconductor laser is to develop and develop on the encapsulation basis of discrete device.
The tube core of usual discrete device is sealed in packaging body, and the purpose of encapsulation is protection tube core, and completes electric interconnection.But
The encapsulation of semiconductor laser is then electric signal to be exported, it is ensured that tube core works normally.In semiconductor laser, PN junction tube core
Main core luminous component, but its issue photon be nondirectional, so and not all light can be released
Out.This depends primarily on the quality of semiconductor material, the structure of tube core and geometry, encapsulation internal structure, He Bao
The material of envelope.
The mode for generalling use fiber coupling at present carries out shaping compression to light beam, improves beam quality and brightness.Due to
The inherent shortcoming of semiconductor laser, as fast and slow axis angle of divergence difference is big, outgoing beam is in spatial distribution asymmetry, laser beam
High divergence etc., will affect coupling efficiency.Therefore, the compression fast and slow axis angle of divergence is generallyd use, and passes through condenser lens for optocoupler
The mode of entering light fibre is closed to improve and improve coupling efficiency.When being coupled, collimation fixture clamping lens are generallyd use.It is existing
The bad grasp of collimation fixture grip force be easy to be caught broken lens, or clamping does not cause tightly lens to fall or occur certain displacement,
It thus cannot get ideal hot spot, cannot get the fiber power of high coupling efficiency, it is therefore contemplated that developing a kind of clamping effect more
Ideal semiconductor laser collimates fixture.
Utility model content
The purpose of the utility model is to provide a kind of semiconductor laser collimate fixture, when clamp lens have buffering with
Clamping action avoids chucking power is excessive from being caught broken lens.
To achieve the goals above, the utility model provides a kind of semiconductor laser collimation fixture, including jig main body,
Support arm and adjusting knob, one end of the support arm are fixedly connected with the jig main body, and the other end of the support arm is equipped with mounting table,
For placing lens；
Equipped with cavity and the telescopic spring device being slidably connected in the cavity in the jig main body, the spring is stretched
The side wall that one end of compression apparatus passes through the jig main body is fixedly connected with the adjusting knob；The telescopic spring device it is another
End be equipped with compression bar, the compression bar extend to the outside of the jig main body so as to clamp be placed on it is described on the mounting table
Mirror.
Preferably, the cavity include it is adjacent and be connected to the first cavity and the second cavity, first cavity with it is described
Connection wall is equipped between second cavity.
Preferably, the telescopic spring device includes first piston, second piston, the first spring and second spring, described
First piston is slidingly disposed in first cavity, and the second piston is slidingly disposed in second cavity, institute
It states first piston and is fixedly connected with the second piston by passing through the connecting rod of the connection wall, first spring pocket is set to
In the connecting rod, and between the connection wall and the second piston；
The second piston is fixedly connected with the other end of the compression bar, and the second spring is sheathed on the compression bar,
And between the second piston and the end of second cavity.
Preferably, the side wall of the jig main body is equipped with strip-shaped hole, and the first piston is equipped with threaded rod, the spiral shell
Rasp bar passes through the strip-shaped hole and is fixedly connected with the adjusting knob, and the adjusting knob can be slided along the strip-shaped hole, to drive
The first piston slides in first cavity.
Preferably, the adjusting knob is equipped with internal thread hole, and the adjusting knob is connected through a screw thread with the threaded rod, and institute
Adjusting knob is stated by being tightened in the side wall of the jig main body to fasten the first piston, by from the side of the jig main body
Wall, which unscrews, is able to drive the first piston sliding.
It preferably, further include adapting rod, the end of the jig main body is equipped with through-hole, the axial direction of the through-hole and the folder
Have the axially vertical of main body, the adapting rod is slidingly disposed in the through-hole.
Preferably, the end of the jig main body is equipped with fastener, and the fastener is used for the adapting rod is tight
Gu in the through-hole.
Preferably, the outer rim of the through-hole is equipped with graduated scale.
Preferably, the mounting table is perpendicular to the support arm.
Preferably, first spring and the second spring are compressed spring, and the elasticity of first spring is
Number is greater than the second spring.
The utility model relates to a kind of semiconductor laser collimate fixture, the beneficial effect is that: setting telescopic spring
Device makes compression bar have the function of buffering when clamping the lens on mounting table and clamp, and prevents dynamics is excessive to be caught broken lens, and adjust
Button locking spring telescopic device is saved, mounting table and compression bar can be made to keep clamped condition；Structure simple functions are practical.
Other features and advantages of the utility model will then part of the detailed description can be specified.
Detailed description of the invention
The utility model illustrative embodiments are described in more detail in conjunction with the accompanying drawings, the utility model it is upper
It states and other purposes, feature and advantage will be apparent, wherein in the utility model illustrative embodiments, phase
Same reference label typically represents same parts.
Fig. 1 shows the structural schematic diagram of the semiconductor laser collimation fixture of the exemplary embodiment of the utility model；
Fig. 2 shows the cross-sectional views of the semiconductor laser of the exemplary embodiment of the utility model collimation fixture
Description of symbols:
1 fastener, 2 strip-shaped holes, 3 adjusting knobs, 4 connecting rods, 5 first springs, 6 support arms, 7 mounting tables, 8 lens, 9 compression bars,
10 second cavitys, 11 adapting rods, 12 through-holes, 13 first cavitys, 14 first pistons, 15 second pistons, 16 second springs, 17 fixtures
Main body.
Specific embodiment
Preferred embodiments of the present invention are described in more detail below.Although the following describe the utility model
Preferred embodiment, however, it is to be appreciated that may be realized in various forms the utility model without the implementation that should be illustrated here
Mode is limited.On the contrary, thesing embodiments are provided so that the utility model is more thorough and complete, and can be by this
The range of utility model is completely communicated to those skilled in the art.
In order to solve the problems existing in the prior art, the utility model provides a kind of semiconductor laser collimation fixture, packet
Jig main body, support arm and adjusting knob are included, one end of support arm is fixedly connected with jig main body, and the other end of support arm is equipped with mounting table,
For placing lens；
Equipped with cavity and the telescopic spring device being slidably connected in cavity, one end of telescopic spring device in jig main body
Side wall across jig main body is fixedly connected with adjusting knob；The other end of telescopic spring device is equipped with compression bar, and compression bar extends to folder
Has the outside of main body to clamp the lens being placed on the mounting table.
Telescopic spring device, which is arranged, makes compression bar have the function of buffering when clamping the lens on mounting table and clamp, and prevents power
It spends and is caught broken lens, and adjusting knob locking spring telescopic device greatly, mounting table and compression bar can be made to keep clamped condition.
Preferably, cavity includes the first cavity and the second cavity that be adjacent and being connected to, between the first cavity and the second cavity
Equipped with connection wall.
Preferably, jig main body is cylinder, and the diameter of the first cavity is greater than the diameter of the second cavity.
Preferably, telescopic spring device includes first piston, second piston, the first spring and second spring, first piston
It is slidingly disposed in the first cavity, second piston is slidingly disposed in the second cavity, and first piston passes through with second piston
Connecting rod across connection wall is fixedly connected, and the first spring pocket is set in connecting rod, and between connection wall and second piston；
Second piston is fixedly connected with the other end of compression bar, and second spring is sheathed on compression bar, and be located at second piston with
Between the end of second cavity.
Preferably, connecting rod is T-type, and the perpendicular end of T-type is fixedly connected with first piston, and the horizontal end of T-type is located at the second cavity
It is interior, and be fixedly connected with second piston, the first spring is located between the horizontal end and connection wall of T-type.
Preferably, the side wall of jig main body is equipped with strip-shaped hole, and first piston is equipped with threaded rod, and threaded rod passes through bar shaped
Hole is fixedly connected with adjusting knob, and adjusting knob is able to drive threaded rod and slides along strip-shaped hole, to drive first piston in the first cavity
Interior sliding.
Preferably, adjusting knob is equipped with internal thread hole, and adjusting knob is connected through a screw thread with threaded rod, and adjusting knob is by screwing
In jig main body side wall to fasten first piston, by unscrewed from the side wall of jig main body be able to drive first piston sliding.
Adjusting knob is connect with threaded rod by being threadedly engaged, and is screwed convenient for unscrewing.
It preferably, further include adapting rod, the end of jig main body is equipped with through-hole, the axial direction of through-hole and the axial direction of jig main body
Vertically, adapting rod is slidingly disposed in through-hole.Adapting rod is for the collimation fixture to be connected with other devices.
Preferably, the end of jig main body is equipped with fastener, and fastener is used for will be in adapting rod fastening and through-hole.
Preferably, fastener is bolt, and adapting rod is anchored on jig main body by screwing bolts.
Preferably, the outer rim of through-hole is equipped with graduated scale, convenient for the sliding distance of regulation and control adjusting knob.
Preferably, mounting table is perpendicular to support arm.
Preferably, the first spring and second spring are compressed spring, and the coefficient of elasticity of the first spring is greater than the second bullet
Spring makes the first spring be greater than second spring to second piston deboost to the thrust of connecting rod, makes compression bar and mounting table with this
Clamped condition is kept, lens is avoided to fall off.
As an example, using the utility model relates to semiconductor laser collimate fixture, first jig main body is being transferred
It is adjusted to predeterminated position on bar, and is fastened jig main body using fastener；Lens are put on mounting table, adjusting knob band is adjusted
Dynamic first piston pushes second piston that compression bar and mounting table is made to clamp lens, wherein the first spring is for providing thrust, the second bullet
The reaction force for contraction state of spring provides the effect of buffering, avoids dynamics is excessive from being caught broken lens；Adjusting knob is screwed to fix
The position of first piston makes lens be in fixed filling, is convenient for subsequent use and installation.
Embodiment 1
As shown in Figure 1 to Figure 2, the utility model provides a kind of semiconductor laser collimation fixture, including jig main body
17, one end of support arm 6 and adjusting knob 3, support arm 6 is fixedly connected with jig main body 17, and the other end of support arm 6 is equipped with mounting table 7, is used
In placement lens 8；
The telescopic spring device for being equipped with cavity in jig main body 17 and being slidably connected in cavity, the one of telescopic spring device
The side wall across jig main body 17 is held to be fixedly connected with adjusting knob 3；The other end of telescopic spring device is equipped with compression bar 9, and compression bar 9 prolongs
The outside of jig main body 17 is extended to clamp the lens 8 being placed on the mounting table 7.
In the present embodiment, cavity includes the first cavity 13 and the second cavity 10 that be adjacent and being connected to, the first cavity 13 and
Connection wall is equipped between second cavity 10.
In the present embodiment, jig main body 17 is cylinder, and the diameter of the first cavity 13 is greater than the straight of the second cavity 10
Diameter.
In the present embodiment, telescopic spring device includes first piston 14, second piston 15, the first spring 5 and the second bullet
Spring 16, first piston 14 are slidingly disposed in the first cavity 13, and second piston 15 is slidingly disposed in the second cavity 10, the
One piston 14 is fixedly connected with second piston 15 by passing through the connecting rod 4 of connection wall, and the first spring 5 is sheathed in connecting rod 4,
And between connection wall and second piston 15；
Second piston 15 is fixedly connected with the other end of compression bar 9, and second spring 16 is sheathed on compression bar 9, and is located at second
Between piston 15 and the end of the second cavity 10.
In the present embodiment, connecting rod 4 is T-type, and the perpendicular end of T-type is fixedly connected with first piston 14, and the horizontal end of T-type is located at
It in second cavity 10, and is fixedly connected with second piston 15, the first spring 5 is located between the horizontal end and connection wall of T-type.
In the present embodiment, the side wall of jig main body 17 is equipped with strip-shaped hole 2, and first piston 14 is equipped with threaded rod, spiral shell
Rasp bar passes through strip-shaped hole 2 and is fixedly connected with adjusting knob 3, and adjusting knob 3 is able to drive threaded rod along the sliding of strip-shaped hole 2, to drive the
One piston 14 slides in the first cavity 13.
In the present embodiment, adjusting knob 3 is equipped with internal thread hole, and adjusting knob 3 is connected through a screw thread with threaded rod, and adjusting knob
3, by being tightened in the side wall of jig main body to fasten first piston 14, are able to drive by unscrewing from the side wall of jig main body
The sliding of one piston 14.
In the present embodiment, further include adapting rod 11, the end of jig main body 17 is equipped with through-hole 12, the axial direction of through-hole 12 with
Jig main body 17 it is axially vertical, adapting rod 11 is slidingly disposed in through-hole 12.
In the present embodiment, the end of jig main body 17 be equipped with fastener 1, fastener 1 be used for by adapting rod 11 fastening with
In through-hole 12.
In the present embodiment, fastener 1 is bolt, and adapting rod 11 is anchored on jig main body 17 by screwing bolts.
In the present embodiment, the outer rim of through-hole 12 is equipped with graduated scale.
In the present embodiment, mounting table 7 is perpendicular to support arm 6.
In the present embodiment, the first spring 5 and second spring 16 are compressed spring, and the coefficient of elasticity of the first spring 5
Greater than second spring 16.
Each embodiment of the utility model is described above, above description is exemplary, and non-exclusive, and
And it is also not necessarily limited to disclosed each embodiment.Without departing from the scope and spirit of illustrated each embodiment, for
Many modifications and changes are obvious for those skilled in the art.
Claims (10)
1. a kind of semiconductor laser collimates fixture, which is characterized in that the collimation fixture includes jig main body (17), support arm
(6) be fixedly connected with adjusting knob (3), one end of the support arm (6) with the jig main body (17), the support arm (6) it is another
End is equipped with mounting table (7), for placing lens (8)；
Equipped with cavity and the telescopic spring device being slidably connected in the cavity in the jig main body (17), the spring is stretched
The side wall that one end of compression apparatus passes through the jig main body (17) is fixedly connected with the adjusting knob (3)；The telescopic spring dress
The other end set is equipped with compression bar (9), and the outside that the compression bar (9) extends to the jig main body (17) is placed on institute to clamp
State the lens (8) on mounting table (7).
2. semiconductor laser according to claim 1 collimates fixture, which is characterized in that the cavity includes adjacent and connects
Logical the first cavity (13) and the second cavity (10), is equipped with connection between first cavity (13) and second cavity (10)
Wall.
3. semiconductor laser according to claim 2 collimates fixture, which is characterized in that the telescopic spring device includes
First piston (14), second piston (15), the first spring (5) and second spring (16), the first piston (14) is slideably
In first cavity (13), the second piston (15) is slidingly disposed in second cavity (10), and described the
One piston (14) is fixedly connected with the second piston (15) by passing through the connecting rod (4) of the connection wall, first bullet
Spring (5) is sheathed on the connecting rod (4), and between the connection wall and the second piston (15)；
The second piston (15) is fixedly connected with the other end of the compression bar (9), and the second spring (16) is sheathed on described
On compression bar (9), and between the second piston (15) and the end of second cavity (10).
4. semiconductor laser according to claim 3 collimates fixture, which is characterized in that the side of the jig main body (17)
Wall be equipped with strip-shaped hole (2), the first piston (14) be equipped with threaded rod, the threaded rod pass through the strip-shaped hole (2) with
The adjusting knob (3) is fixedly connected, and the adjusting knob (3) can be slided along the strip-shaped hole (2), to drive the first piston
(14) sliding in first cavity (13).
5. semiconductor laser according to claim 4 collimates fixture, which is characterized in that the adjusting knob (3) is equipped with interior
Threaded hole, the adjusting knob (3) are connected through a screw thread with the threaded rod, and the adjusting knob (3) is by being tightened in the folder
Have the side wall of main body (17) to fasten the first piston, is able to drive institute by unscrewing from the side wall of the jig main body (17)
State first piston (14) sliding.
6. semiconductor laser according to claim 1 collimates fixture, which is characterized in that further include adapting rod (11), institute
The end for stating jig main body (17) is equipped with through-hole (12), and the axial direction of the through-hole (12) and the axial direction of the jig main body (17) are hung down
Directly, the adapting rod (11) is slidingly disposed in the through-hole (12).
7. semiconductor laser according to claim 6 collimates fixture, which is characterized in that the institute of the jig main body (17)
End is stated equipped with fastener (1), the fastener (1) is used for the adapting rod (11) fastening and the through-hole (12) is interior.
8. semiconductor laser according to claim 6 collimates fixture, which is characterized in that the outer rim of the through-hole (12) is set
There is graduated scale.
9. semiconductor laser according to claim 1 collimates fixture, which is characterized in that the mounting table (7) perpendicular to
The support arm (6).
10. semiconductor laser according to claim 3 collimates fixture, which is characterized in that first spring (5) and institute
Stating second spring (16) is compressed spring, and the coefficient of elasticity of first spring (5) is greater than the second spring (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822116115.3U CN209167599U (en) | 2018-12-17 | 2018-12-17 | A kind of semiconductor laser collimation fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822116115.3U CN209167599U (en) | 2018-12-17 | 2018-12-17 | A kind of semiconductor laser collimation fixture |
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| Publication Number | Publication Date |
|---|---|
| CN209167599U true CN209167599U (en) | 2019-07-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822116115.3U Active CN209167599U (en) | 2018-12-17 | 2018-12-17 | A kind of semiconductor laser collimation fixture |
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| CN (1) | CN209167599U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114594563A (en) * | 2022-01-12 | 2022-06-07 | 中国电子科技集团公司第十三研究所 | Micro-lens debugging device |
-
2018
- 2018-12-17 CN CN201822116115.3U patent/CN209167599U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114594563A (en) * | 2022-01-12 | 2022-06-07 | 中国电子科技集团公司第十三研究所 | Micro-lens debugging device |
| CN114594563B (en) * | 2022-01-12 | 2024-01-30 | 中国电子科技集团公司第十三研究所 | Microlens debugging device |
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