CN211402617U - Aging copying device for laser - Google Patents
Aging copying device for laser Download PDFInfo
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- CN211402617U CN211402617U CN201921935090.8U CN201921935090U CN211402617U CN 211402617 U CN211402617 U CN 211402617U CN 201921935090 U CN201921935090 U CN 201921935090U CN 211402617 U CN211402617 U CN 211402617U
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Abstract
The utility model relates to a semiconductor laser technical field discloses an ageing copy machine device of laser instrument, including the light receiving cavity of airtight setting, the chamber wall that runs through the light receiving cavity is equipped with into light pore and observes the pore, and the outgoing optical fiber of laser instrument inserts the light receiving cavity through going into light pore, and photoelectric detection probe inserts the light receiving cavity through observing the pore, is equipped with the heat dissipation runner in the chamber wall in light receiving cavity. During testing, the emergent optical fiber of the laser is inserted into the light receiving cavity through the light inlet pore passage, and laser is emitted into the light receiving cavity; the light receiving cavity is sealed to prevent leakage; the photoelectric detection probe is inserted into the light receiving cavity through the observation pore channel to obtain laser signal parameters and monitor the laser emission condition. The energy of laser is finally converted into heat in the light receiving cavity, and the heat is dissipated out through the heat dissipation flow channel, so that the safety of the device is ensured. The utility model provides an ageing copy machine device of laser instrument, simple structure, convenient operation, low in manufacturing cost effectively satisfy the capability test demand of manufacturing semiconductor laser in batches, improve production efficiency.
Description
Technical Field
The utility model relates to a semiconductor laser technical field especially relates to an ageing copy machine device of laser instrument.
Background
In the fields of communication, military, medical treatment and the like, semiconductor lasers are increasingly widely applied due to the advantages of small size, light weight, high conversion efficiency, good reliability and the like. For a semiconductor laser, the service life is a decisive factor for ensuring the application of the semiconductor laser, and is directly related to whether the semiconductor laser can be commercialized or not. The aging burn-in device of the semiconductor laser is important for the service life examination of the laser. The aging burn-in test in the production process of the semiconductor laser device is to accelerate the aging of the semiconductor laser device under the simultaneous action of electrical stress or the electrical stress and the thermal stress so as to verify the reliability, expose the potential defects of the semiconductor laser device in production in advance, and obtain the relevant technical parameters of the laser device through the aging test. The failure mechanism of the semiconductor can be judged through timing and long-term aging tests of various laser performances of the semiconductor laser, so that the product performance is optimized, the process is improved, the reliability of the semiconductor laser is improved, and the normal service life of the high-power semiconductor laser is ensured.
At present, the laser aging copying device imported or branded in the market has high equipment price, high processing cost and complex operation, is not suitable for large-scale production, cannot meet the process requirement of manufacturing semiconductor lasers in batches, and seriously influences the production efficiency.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides an ageing machine device that copies of laser instrument for solve the ageing machine device price that copies of current laser instrument and be on the high side, the processing cost is great, and the operation is complicated, unsuitable large-scale production, can't satisfy the problem of manufacturing semiconductor laser unit process demand in batches, seriously influence the efficiency of production.
The embodiment of the utility model provides an ageing copy machine device of laser instrument, including the light-receiving chamber of airtight setting, run through the chamber wall in light-receiving chamber is equipped with into light pore and observes the pore, and the emergent optic fibre of laser instrument passes through go into the light pore and insert light-receiving chamber, photoelectric detection probe passes through it inserts to observe the pore light-receiving chamber, be equipped with the heat dissipation runner in light-receiving chamber's the chamber wall.
The device further comprises a light receiving seat and a light receiving cover, wherein the light receiving seat is provided with a light absorbing groove, and the light receiving cover covers the light absorbing groove and forms the light receiving cavity.
Wherein, receive the light seat with receive the light lid and can dismantle the connection.
The light receiving seat is further provided with a fiber pressing groove, a fiber pressing sliding block is slidably mounted in the fiber pressing groove, the side face of the fiber pressing sliding block is in sliding connection with the side wall of the fiber pressing groove, and a cambered surface concave seam used for forming the light inlet hole channel is formed in the bottom face of the fiber pressing groove.
The bottom surface of the fiber pressing sliding block is provided with an elastic pressing block, and the bottom surface of the elastic pressing block and the concave seam of the cambered surface form the light inlet hole channel.
Wherein, the elastic pressing block is detachably arranged on the pressing fiber sliding block.
The side wall of the fiber pressing groove is provided with a sliding rail groove, the side face of the fiber pressing sliding block is provided with a protrusion, and the fiber pressing sliding block slides along the sliding rail groove of the fiber pressing groove through the protrusion.
The light receiving seat is provided with a limiting plate at the top of the fiber pressing groove, the limiting plate is provided with a lifting through hole, and the lifting rod penetrates through the lifting through hole and is mounted on the fiber pressing sliding block.
The light absorption groove is of a gradually expanding structure, and the section of the light absorption groove is gradually increased along the irradiation direction of the emergent optical fiber; the light-receiving seat is provided with a heat-radiating runner in the seat body.
The inner cover surface of the light collecting cover faces the light collecting cavity and is provided with a raised light reflecting conical surface, and the light collecting cover is provided with a heat radiating channel in the cover body.
The embodiment of the utility model provides an ageing copy machine device of laser instrument, when carrying out the ageing test of semiconductor laser, insert the emergent optic fibre of laser instrument in the light-receiving chamber through going into the light pore, the laser that the laser instrument transmitted shines into the light-receiving chamber through emergent optic fibre; the light receiving cavity is arranged in a closed manner, so that danger caused by laser leakage is prevented; the photoelectric detection probe is inserted into the light receiving cavity through the observation pore channel, receives light energy in the light receiving cavity, and obtains laser signal parameters, so that the laser emission condition of the laser in the whole aging copying process is monitored. The energy of laser will finally convert the heat into in receiving the light cavity, can distribute away the heat through receiving the heat dissipation runner that sets up in the light cavity wall, guarantees device safety. Therefore, the utility model provides an ageing copy machine device of laser instrument, simple structure, convenient operation, low in manufacturing cost can effectively satisfy the capability test demand of batch manufacturing semiconductor laser, are fit for large-scale production, improve production efficiency.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an aging copying device of a laser provided by an embodiment of the present invention;
FIG. 2 is a top view of an aging copying device of a laser according to another embodiment of the present invention;
FIG. 3 is a cross-sectional view of the aging copying device A-A of the laser shown in FIG. 2;
fig. 4 is a side view of an aging copying device of a laser according to another embodiment of the present invention;
FIG. 5 is a cross-sectional view of a laser aging copying machine B-B provided by the embodiment of the invention shown in FIG. 4;
in the figure: 1. a light-receiving cavity; 2. an outgoing optical fiber; 3. a light receiving seat; 4. a light receiving cover; 5. pressing a fiber sliding block; 6. elastic pressing blocks; 7. a slide rail groove; 8. lifting a pull rod; 9. a limiting plate; 10. a heat dissipation runner in the base body; 11. a heat dissipation runner in the cover body; 12. detecting the groove; 13. and connecting the bolts.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as appropriate by those of ordinary skill in the art.
In the description of the present invention, the terms "plurality", and "plural" mean two or more unless otherwise specified.
As shown in fig. 1-3, the embodiment of the utility model provides an ageing copy machine device of laser instrument, including the light receiving cavity 1 of airtight setting, the chamber wall that runs through light receiving cavity 1 is equipped with the income light pore and observes the pore, and the outgoing fiber 2 of laser instrument inserts light receiving cavity 1 through going into the light pore, and photoelectric detection probe inserts light receiving cavity 1 through observing the pore, is equipped with the heat dissipation runner in light receiving cavity 1's the chamber wall.
When the aging copying machine device of the laser provided by the embodiment of the utility model is adopted to carry out the aging test of the semiconductor laser, the emergent optical fiber 2 of the laser is inserted into the light receiving cavity 1 through the light inlet hole channel, and the laser emitted by the laser is emitted into the light receiving cavity 1 through the emergent optical fiber 2; the light receiving cavity 1 is arranged in a closed manner, so that danger caused by laser leakage is prevented; the photoelectric detection probe is inserted into the light receiving cavity 1 through the observation pore channel, receives light energy in the light receiving cavity 1, and obtains laser signal parameters, so that the laser emission condition of the laser in the whole aging copying process is monitored. The energy of laser will finally convert the heat into in receiving light chamber 1, can distribute away the heat through receiving the heat dissipation runner that sets up in 1 chamber wall in light chamber, guarantees device safety.
The embodiment of the utility model provides an ageing copy machine device of laser instrument, simple structure, convenient operation, low in manufacturing cost can effectively satisfy the capability test demand of batch manufacturing semiconductor laser, are fit for large-scale production, improve production efficiency.
In a specific embodiment, the aging copying device of the laser further comprises a light receiving base 3 and a light receiving cover 4. The light-receiving seat 3 is provided with a light-absorbing groove, and the light-receiving cavity 1 is formed by covering the light-absorbing groove with the light-receiving cover 4.
Further, the light receiving base 3 and the light receiving cover 4 are detachably connected, so that the processing of the cavity of the light receiving cavity 1 and the maintenance of the inner cavity surface of the light receiving cavity 1 are facilitated. For example, as shown in fig. 3, the light receiving cover 4 may be mounted to the light receiving base 3 by a coupling bolt 13.
In one embodiment, the light receiving base 3 is further provided with a fiber pressing groove, the fiber pressing slider 5 is slidably mounted in the fiber pressing groove, the side surface of the fiber pressing slider 5 is slidably connected with the side wall of the fiber pressing groove, and the bottom surface of the fiber pressing groove is provided with a cambered concave seam for forming a light inlet hole channel. In order to avoid laser leakage, the aperture of the light inlet channel should not be too large, but when the inner diameter of the light inlet channel is smaller, it is inconvenient for the outgoing optical fiber 2 to be inserted into the light receiving cavity 1 through the light inlet channel. Therefore, the fiber pressing sliding block 5 arranged in the fiber pressing groove in a sliding mode can enable the cambered concave seam arranged on the bottom surface of the fiber pressing groove to be close to or far away from the bottom surface of the fiber pressing sliding block 5, and an openable light inlet hole channel is formed. Specifically, the depth of the arc surface concave slot is matched with the outer diameter of an emergent optical fiber 2 of a laser to be detected inserted into the light receiving cavity 1; sliding the fiber pressing sliding block 5 from the fiber pressing groove to enable the bottom surface of the fiber pressing sliding block 5 to be far away from the groove bottom surface of the fiber pressing groove, and at the moment, conveniently placing the emergent optical fiber 2 into the arc-shaped concave seam; when the bottom surface of the fiber pressing sliding block 5 is pressed and placed at the bottom surface of the fiber pressing groove, the bottom surface of the fiber pressing sliding block 5 forms restraint on the emergent optical fiber 2 placed in the arc-shaped concave slot, and optical fiber clamping is achieved.
Furthermore, in order to prevent the fiber pressing slider 5 from pressing and damaging the optical fiber when directly pressing the optical fiber, an elastic pressing block 6 may be disposed on the bottom surface of the fiber pressing slider 5, so that the bottom surface of the elastic pressing block 6 and the arc-shaped concave seam form a light inlet channel, and the emergent optical fiber 2 is clamped in the light inlet channel formed by the bottom surface of the elastic pressing block 6 and the arc-shaped concave seam; the elastic pressing block 6 can be made of polytetrafluoroethylene materials which are soft and do not damage optical fibers. The bottom surface of the elastic pressing block 6 is matched with the arc-surface concave seam to form a part of the light inlet pore passage, and the part of the light inlet pore passage can also have different adaptive shapes according to the external diameter requirement of the emergent optical fiber 2; the elastic pressing block 6 can be detachably mounted on the fiber pressing sliding block 5, for example, the elastic pressing block 6 is mounted on the fiber pressing sliding block 5 through a bolt, so that the use requirements of different outgoing optical fibers 2 can be met by replacing the elastic pressing block 6.
In order to facilitate the sliding of the fiber pressing slider 5 in the fiber pressing groove, in a specific embodiment, a sliding rail groove 7 is formed in a side wall of the fiber pressing groove, a protrusion is formed on a side surface of the fiber pressing slider 5, the protrusion and the sliding rail groove 7 form a guide rail structure capable of sliding along the sliding rail groove 7, and the fiber pressing slider 5 slides along the sliding rail groove 7 of the fiber pressing groove through the protrusion. The side surface of the fiber pressing sliding block 5 can also be provided with a sliding rail groove 7, and the side wall of the fiber pressing groove is provided with a corresponding bulge to form a guide rail structure.
In a specific embodiment, a limiting plate 9 is arranged on the top of the fiber pressing groove of the light collecting seat 3 to prevent the fiber pressing sliding block 5 from sliding out of the fiber pressing groove; the limiting plate 9 is provided with a lifting through hole, the lifting rod 8 penetrates through the lifting through hole and is mounted on the fiber pressing sliding block 5, and the fiber pressing sliding block 5 is lifted up through the lifting rod 8, so that the optical fiber can be conveniently and manually clamped; can set up the external screw thread and set up corresponding internal thread hole at pressure fine slider 5 top at 8 ends of lifting rod, make lifting rod 8 install at pressure fine slider 5 through threaded connection.
In a specific embodiment, the light absorbing groove is a gradually expanding structure, and the cross section of the light absorbing groove gradually increases along the irradiation direction of the exit optical fiber 2, for example, the light absorbing groove may be a horn-shaped structure, and the light absorbing groove expands and extends from the opening of the inner cavity of the light entrance hole. The light receiving seat 3 is provided with a seat body inner heat dissipation flow passage 10; in order to enhance the heat dissipation effect, flowing cooling water can be introduced into the heat dissipation flow channel 10 in the seat body, and a good heat dissipation effect can be achieved through water cooling.
As shown in fig. 1, 4 and 5, in one embodiment, the observation hole is disposed on the light-receiving seat 3. The light receiving seat 3 can be provided with a detection groove 12 for accommodating the photoelectric detection module, the bottom of the detection groove 12 is provided with an observation hole channel, and a photoelectric detection probe of the photoelectric detection module is inserted into the light receiving cavity 1 through the observation hole channel.
As shown in fig. 3 and 5, in a specific embodiment, a convex reflective conical surface is arranged in the light-receiving cavity 1 and faces the inner cover surface of the light-receiving cover 4, so that laser is reflected to all positions of the inner cavity surface of the light-receiving cavity 1, and the high heat load caused by long-term direct irradiation of the laser is prevented; the light receiving cover 4 is provided with a cover body inner heat dissipation flow channel 11, and in order to enhance the heat dissipation effect, flowing cooling water can be introduced into the cover body inner heat dissipation flow channel 11, so that a good heat dissipation effect can be obtained through water cooling.
In one embodiment, after the light receiving cover 4 is mounted on the light receiving base 3 through the connecting bolt 13, the heat dissipation channel 11 in the cover body and the heat dissipation channel 10 in the base body can be communicated, cooling water is connected into a back water channel to form a loop, and is connected into a cooling water channel system to take away heat generated by work, so that the temperature stability of the semiconductor laser in the normal aging copy test process is ensured.
It can be seen from the above embodiments that, the utility model provides an aging copying device for laser, when aging test of semiconductor laser is carried out, the outgoing optical fiber 2 of laser is inserted into the light receiving cavity 1 through the light inlet hole, and the laser emitted by laser is emitted into the light receiving cavity 1 through the outgoing optical fiber 2; the light receiving cavity 1 is arranged in a closed manner, so that danger caused by laser leakage is prevented; the photoelectric detection probe is inserted into the light receiving cavity 1 through the observation pore channel, receives light energy in the light receiving cavity 1, and obtains laser signal parameters, so that the laser emission condition of the laser in the whole aging copying process is monitored. The energy of laser will finally convert the heat into in receiving light chamber 1, can distribute away the heat through receiving the heat dissipation runner that sets up in 1 chamber wall in light chamber, guarantees device safety. Therefore, the utility model provides an ageing copy machine device of laser instrument, simple structure, convenient operation, low in manufacturing cost can effectively satisfy the capability test demand of batch manufacturing semiconductor laser, are fit for large-scale production, improve production efficiency.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides an ageing copy machine device of laser instrument, its characterized in that, including airtight receipts optical cavity that sets up, run through the chamber wall that receives optical cavity is equipped with into light pore and observes the pore, and the outgoing optical fiber of laser instrument passes through go into the light pore and insert receive optical cavity, photoelectric detection probe passes through it inserts to observe the pore receive optical cavity, be equipped with the heat dissipation runner in the chamber wall that receives optical cavity.
2. The aging copying device of laser as claimed in claim 1, further comprising a light-absorbing base and a light-absorbing cover, wherein the light-absorbing base is provided with a light-absorbing groove, and the light-absorbing cover covers the light-absorbing groove and forms the light-absorbing cavity.
3. The laser burn-in apparatus of claim 2, wherein said light-receiving base and said light-receiving cover are detachably connected.
4. The aging copying machine device of the laser as claimed in claim 2, wherein the light-receiving seat is further provided with a fiber pressing groove, a fiber pressing slider is slidably mounted in the fiber pressing groove, the side surface of the fiber pressing slider is slidably connected with the side wall of the fiber pressing groove, and the bottom surface of the fiber pressing groove is provided with an arc concave slot for forming the light inlet hole channel.
5. The aging copying machine device of the laser as claimed in claim 4, wherein the bottom surface of the fiber pressing slider is provided with an elastic pressing block, and the bottom surface of the elastic pressing block and the concave slot of the cambered surface form the light inlet hole channel.
6. The aging copying device of the laser as claimed in claim 5, wherein the elastic pressing block is detachably mounted on the pressing fiber sliding block.
7. The aging copying device of the laser as claimed in claim 4, wherein the side wall of the fiber pressing groove is provided with a slide rail groove, the side surface of the fiber pressing slider is provided with a protrusion, and the fiber pressing slider slides along the slide rail groove of the fiber pressing groove through the protrusion.
8. The aging copying device for the laser device as claimed in claim 4, wherein the light-collecting seat is provided with a limiting plate at the top of the fiber pressing groove, the limiting plate is provided with a lifting through hole, and a lifting rod passes through the lifting through hole and is mounted on the fiber pressing sliding block.
9. The aging copying device of laser device as claimed in claim 2, wherein the light absorbing groove is a gradually expanding structure, and the cross section of the light absorbing groove is gradually increased along the irradiation direction of the outgoing optical fiber; the light-receiving seat is provided with a heat-radiating runner in the seat body.
10. The aging copying device of the laser as claimed in claim 2, wherein the inner cover surface of the light collecting cover is provided with a convex reflecting conical surface facing the light collecting cavity, and the light collecting cover is provided with a cover body inner heat dissipating channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921935090.8U CN211402617U (en) | 2019-11-11 | 2019-11-11 | Aging copying device for laser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921935090.8U CN211402617U (en) | 2019-11-11 | 2019-11-11 | Aging copying device for laser |
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| CN211402617U true CN211402617U (en) | 2020-09-01 |
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| CN201921935090.8U Active CN211402617U (en) | 2019-11-11 | 2019-11-11 | Aging copying device for laser |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113865742A (en) * | 2021-08-20 | 2021-12-31 | 北京工业大学 | Method and device for measuring temperature of inner side of coated film of cavity surface of semiconductor laser based on detection optical fiber |
-
2019
- 2019-11-11 CN CN201921935090.8U patent/CN211402617U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113865742A (en) * | 2021-08-20 | 2021-12-31 | 北京工业大学 | Method and device for measuring temperature of inner side of coated film of cavity surface of semiconductor laser based on detection optical fiber |
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