CN218549069U

CN218549069U - Pump source packaging structure and laser

Info

Publication number: CN218549069U
Application number: CN202222701443.6U
Authority: CN
Inventors: 刘守斌
Original assignee: Shenzhen Lightcomm Technology Co ltd
Current assignee: Shenzhen Lightcomm Technology Co ltd
Priority date: 2022-10-13
Filing date: 2022-10-13
Publication date: 2023-02-28
Anticipated expiration: 2032-10-13

Abstract

The utility model provides a pumping source packaging structure and a laser, wherein the pumping source packaging structure comprises an outer shell provided with a holding cavity, an inner shell which is arranged in the holding cavity and provided with a gap with the outer shell, and a temperature control bottom plate which is connected with the outer shell and the inner shell; the thermal insulation cavity is formed by surrounding the outer shell, the inner shell and the temperature control bottom plate, the mounting cavity is arranged on the inner shell, the laser generation module connected with the temperature control bottom plate is arranged in the mounting cavity, and the optical fiber jumper wire used for outputting laser beams emitted by the laser generation module is arranged on the inner shell and the outer shell in a penetrating mode. A heat insulation cavity is formed by encircling among the outer shell, the inner shell and the temperature control bottom plate, the heat insulation cavity can greatly reduce the heat conduction efficiency between the outer shell and the inner shell, and the heat in the installation cavity is isolated from the heat outside the outer shell, so that the laser generation module in the installation cavity is not easily influenced by the temperature of the environment outside the outer shell; the laser generation module is connected on the temperature control bottom plate, and the temperature of the temperature control bottom plate can be adjusted to realize the temperature control of the laser generation module.

Description

Pump source packaging structure and laser

Technical Field

The utility model relates to a laser instrument technical field, more specifically say, relate to a pumping source packaging structure to and have this pumping source packaging structure's laser instrument.

Background

Lasers have wide applications in the fields of medical treatment, scientific research, industrial processing, military, electronic information technology, semiconductors, image display, and the like; the laser generally excites a solid laser material (i.e., a laser gain medium) by pump light generated by a pump source, and finally generates output laser light. When the working environment temperature of the laser, especially the environment temperature around the pump source, changes, the output energy, the beam quality, the energy stability, etc. of the laser fluctuate, and therefore the environment temperature around the pump source needs to be controlled to be within a proper temperature range to ensure the stability of the output laser.

In the related art, the inside of the laser is generally an integrated closed structure, and the ambient temperature of the pump source is easily affected by heat generated by other components inside the laser, so that it is difficult to achieve precise control of the ambient temperature around the pump source.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pumping source packaging structure and laser instrument to solve the technical problem of the heat influence that the pumping source that exists among the prior art around ambient temperature is produced by other inside components of laser instrument easily.

In order to achieve the above object, the utility model adopts the following technical scheme:

in a first aspect, a pumping source package structure is provided, which includes an outer shell having an accommodating cavity, an inner shell disposed in the accommodating cavity and having a gap with the outer shell, and a temperature control bottom plate connecting the outer shell and the inner shell;

the outer shell, the inner shell and surround between the accuse temperature bottom plate and be formed with thermal-insulated chamber, be equipped with the installation cavity on the inner shell, be equipped with in the installation cavity with the laser generation module that accuse temperature bottom plate is connected, the inner shell with wear to be equipped with on the outer shell and be used for exporting the optic fibre wire jumper of the laser beam that the module transmission was taken place to the laser.

By adopting the technical scheme, the outer shell, the inner shell and the temperature control bottom plate are surrounded to form the heat insulation cavity, the heat insulation cavity can greatly reduce the heat conduction efficiency between the outer shell and the inner shell, and the heat in the installation cavity is isolated from the heat outside the outer shell, so that the laser generation module in the installation cavity is not easily influenced by the temperature of the environment outside the outer shell; meanwhile, the laser generation module is connected to the temperature control bottom plate, so that the temperature of the laser generation module can be controlled by adjusting the temperature of the temperature control bottom plate.

In one embodiment, the housing includes an outer frame disposed on the temperature control bottom plate, and an outer cover disposed on the outer frame, and the accommodating cavity is surrounded by the outer frame, the outer cover, and the temperature control bottom plate. The inner casing is including locating inside casing on the accuse temperature bottom plate, and locate inner cup on the inside casing, the inside casing the inner cup and it is formed to surround between the accuse temperature bottom plate the installation cavity.

Through adopting above-mentioned technical scheme, be provided with the detachable enclosing cover on the frame to follow-up device to in the frame is inspected and is maintained. Be provided with the detachable inner cup on the inside casing to follow-up device to in the inside casing is examined and is maintained.

In one embodiment, the heat insulation cavity is formed by the inner wall of the outer frame, the inner wall of the outer cover and the outer wall of the inner frame, and the outer wall of the inner cover and the inner wall of the temperature control bottom plate are encircled.

Through adopting above-mentioned technical scheme, above-mentioned each component surrounds formation heat-insulating chamber, keeps apart the outside space in frame and the enclosing cover outside and the inside installation cavity of inside casing and inner cup, and then reduces the heat exchange efficiency between installation cavity and the outside space.

In one embodiment, the laser generation module comprises a laser generation assembly for emitting a laser beam, a laser filter arranged on a light path of the laser beam, and a focusing lens arranged on the light path of the laser beam and used for coupling the laser beam to the optical fiber jumper.

By adopting the technical scheme, the laser beam emitted by the laser generation module enters the focusing lens after being filtered by the laser filter, the focusing lens focuses and couples the laser beam into the optical fiber jumper, and the laser beam can be transmitted to specific equipment through the optical fiber jumper so as to realize the output of the laser.

In one embodiment, the outer frame further comprises a nozzle and a nozzle protective sleeve, the nozzle is arranged on the surface of one side, away from the inner frame, of the outer frame, the optical fiber jumper is arranged in the nozzle in a penetrating mode, and the nozzle protective sleeve is sleeved on the nozzle.

Through adopting above-mentioned technical scheme, the mouthpiece protective sheath is used for protecting the optic fibre wire jumper of mouthpiece department reduces the optic fibre wire jumper and is destroyed by external force's possibility.

In one embodiment, a vacuum-pumping pipeline is arranged in the heat insulation cavity and is used for being connected with external vacuum-pumping equipment.

Through adopting above-mentioned technical scheme, evacuation equipment can be with thermal-insulated intracavity pump vacuum state for thermal-conductive material is few can be carried out in the thermal-insulated intracavity, and then realizes its thermal-insulated function.

In one embodiment, the surfaces of the outer shell, the inner shell and the temperature control bottom plate are provided with a sand blasting layer and a metal coating.

By adopting the technical scheme, the sand blasting layer and the metal coating are arranged on the surfaces of the outer shell, the inner shell and the temperature control bottom plate; the physical properties of the outer shell, the inner shell and the temperature control bottom plate can be improved, and the attractiveness of the product is improved.

In one embodiment, the insulating cavity is filled with an insulating medium.

In another embodiment, the insulating cavity is filled with a flame retardant medium.

By adopting the technical scheme, the heat insulation effect of the heat insulation cavity can be further enhanced by filling the heat insulation medium in the heat insulation cavity; the flame-retardant medium is filled in the heat insulation cavity, so that flame retardance can be realized when the electronic component is on fire, and the fire can be prevented from spreading.

In one embodiment, a side of the temperature control bottom plate, which faces away from the laser generation module, is provided with a heat dissipation assembly.

Through adopting above-mentioned technical scheme, laser generation module can produce the heat at the during operation, and radiator unit can go out the produced heat transfer of laser generation module, and then realizes regulating and controlling the temperature of laser generation module.

In a second aspect, a laser is provided, which includes a laser gain medium, a resonant cavity, and the pump source package structure in any of the above technical solutions, where the pump source package structure is configured to excite the laser gain medium, the laser gain is configured to receive radiation from the pump source package structure and emit photons, and the resonant cavity is configured to amplify the photons emitted from the laser gain medium to output continuous laser light or pulsed laser light.

By adopting the technical scheme, because the optimum working temperature of the pumping source packaging structure and the resonant cavity is different, the speed of heat transfer to the pumping source packaging structure department that the pumping source packaging structure provided by the embodiment can be reduced, and then the temperature of the pumping source packaging structure department is convenient to regulate and control, and then the accurate temperature control of each part of the laser is realized, so as to ensure the stability of laser output.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a three-dimensional structure diagram of a pump source packaging structure provided in an embodiment of the present invention;

fig. 2 is a schematic diagram of an internal structure of a pump source package structure provided in an embodiment of the present invention;

fig. 3 is a top view of a pump source package structure provided in an embodiment of the present invention;

fig. 4 isbase:Sub>A cross-sectional view atbase:Sub>A-base:Sub>A in fig. 3.

The figures are numbered: 100. a pump source encapsulation structure; 1. a housing; 2. an inner shell; 3. a temperature control bottom plate; 4. a thermally insulating cavity; 5. a laser generation module; 6. an optical fiber jumper; 7. a connector;

11. an accommodating cavity; 12. an outer frame; 13. an outer cover; 21. a mounting cavity; 22. an inner frame; 23. an inner cover; 51. a laser generating assembly; 52. a laser filter; 53. a focusing lens;

121. a nozzle; 122. a nozzle guard; 511. a laser light emitting unit; 512. a fast axis collimating mirror; 513. a slow axis collimating mirror; 514. a Bragg grating; 515. a mirror.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected or indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for the purpose of describing the invention only and are not intended to indicate that a device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.

Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating relative importance or as indicating a number of technical features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise. The following describes the specific implementation of the present invention in more detail with reference to specific embodiments:

as shown in fig. 1, fig. 2, fig. 3, and fig. 4, a pumping source package structure 100 provided in an embodiment of the present invention includes an outer casing 1 having an accommodating cavity 11, an inner casing 2 disposed in the accommodating cavity 11 and having a gap with the outer casing 1, and a temperature control bottom plate 3 connecting the outer casing 1 and the inner casing 2; it can be understood that, in this embodiment, the materials of the outer shell 1, the inner shell 2 and the temperature-control bottom plate 3 are not limited, and may be metal materials such as stainless steel, oxygen-free copper, and the like, or may be other non-metal materials. Specifically, in the present embodiment, the material of the outer shell 1 and the inner shell 2 is preferably stainless steel material, and the material of the temperature-controlled base plate 3 is preferably oxygen-free copper material.

Wherein, surround between shell 1, inner shell 2 and the accuse temperature bottom plate 3 and be formed with thermal-insulated chamber 4, be equipped with installation cavity 21 on the inner shell 2, be equipped with the laser generation module 5 of being connected with accuse temperature bottom plate 3 in the installation cavity 21, wear to be equipped with the optic fibre wire jumper 6 that is used for outputting the laser beam that laser generation module 5 launched on inner shell 2 and the shell 1. It can be understood that, in general, the medium in the thermal insulation chamber 4 is air, and the air separates the outer casing 1 from the inner casing 2, which can reduce the heat exchange rate between the installation chamber 21 and the environment outside the outer casing 1; as another modified example of this embodiment, a vacuum line may be additionally provided in the heat insulating chamber 4, the vacuum line is connected to a vacuum device, and the vacuum device may vacuum the heat insulating chamber 4, wherein the vacuum state is an ideal state in which no substance is present therebetween, and the vacuum state is a state in which very little substance is present therebetween. Based on this, it can be known from the thermal principle that the heat conduction can be performed by a substance with a certain thermal conductivity, and the heat conduction of the inner shell 2 to the outer shell 1 can be greatly prevented regardless of the existence of air or the vacuum state in the thermal insulation cavity 4, and similarly, the heat conduction of the outer shell 1 to the inner shell 2 can also be greatly prevented, so that the excellent thermal insulation effect is achieved, and the temperature of the environment where the laser generation module 5 is located is not easily affected by the temperature of the environment outside the outer shell 1. The laser generation module 5 is a main working component of the pump source, and the temperature of the region where the laser generation module 5 is located, that is, the working temperature of the pump source, is controlled.

By adopting the technical scheme, the heat insulation cavity 4 is formed by surrounding the outer shell 1, the inner shell 2 and the temperature control bottom plate 3, the heat insulation cavity 4 can greatly reduce the heat conduction efficiency between the outer shell 1 and the inner shell 2, and the heat in the installation cavity 21 is isolated from the heat outside the outer shell 1, so that the laser generation module 5 in the installation cavity 21 is not easily influenced by the temperature of the environment outside the outer shell 1; meanwhile, because the laser generation module 5 is connected to the temperature control bottom plate 3, the temperature of the laser generation module 5 can be controlled by adjusting the temperature of the temperature control bottom plate 3.

As shown in fig. 3 and 4, as an optional implementation manner of this embodiment, the housing 1 includes an outer frame 12 disposed on the temperature control bottom plate 3, and an outer cover 13 disposed on the outer frame 12, and an accommodating cavity 11 is formed between the outer frame 12, the outer cover 13, and the temperature control bottom plate 3. Preferably, the outer cover 13 is detachably coupled to the outer frame 12, and particularly, the outer cover 13 is detachably coupled to the outer frame 12 by screws.

Through adopting above-mentioned technical scheme, be provided with detachable enclosing cover 13 on the frame 12 to follow-up device to in the frame 12 is examined and is maintained.

As shown in fig. 2 and fig. 3, as one optional implementation manner of this embodiment, the outer frame 12 further includes a nozzle 121 and a nozzle protective sleeve 122, the nozzle 121 is disposed on a surface of a side of the outer shell 1 facing away from the inner shell 2, the optical fiber jumper 6 is inserted into the nozzle 121, the nozzle 121 is sleeved with the nozzle protective sleeve 122, and the nozzle protective sleeve 122 is used for protecting the optical fiber jumper 6 at the nozzle 121, so as to reduce a possibility that the optical fiber jumper 6 is damaged by an external force. Specifically, the nozzle protective sleeve 122 is adhesively secured to the nozzle 121 by ND353 glue.

As shown in fig. 3 and 4, as an alternative embodiment of this embodiment, the inner casing 2 includes an inner casing 22 disposed on the temperature-controlled bottom plate 3, and an inner cover 23 disposed on the inner casing 22, and a mounting cavity 21 is defined between the inner casing 22, the inner cover 23, and the temperature-controlled bottom plate 3.

Through adopting above-mentioned technical scheme, be provided with detachable inner cup 23 on the inside casing 22 to follow-up inspection and the maintenance are carried out to the device in the inside casing 22.

As shown in fig. 4, as an alternative embodiment of this embodiment, the heat insulation chamber 4 is formed by the inner wall of the outer frame 12, the inner wall of the outer cover 13, the outer wall of the inner frame 22, and the outer wall of the inner cover 23 enclosing the inner wall of the temperature-controlled base plate 3.

By adopting the technical scheme, the heat insulation cavity 4 is formed by surrounding the components, the outer space outside the outer frame 12 and the outer cover 13 is isolated from the mounting cavity 21 inside the inner frame 22 and the inner cover 23, and the heat exchange efficiency between the mounting cavity 21 and the outer space is further reduced.

As shown in fig. 2, as an alternative embodiment of the present embodiment, the laser generating module 5 includes a laser generating assembly 51 for emitting a laser beam, a laser filter 52 disposed on an optical path of the laser beam, and a focusing lens 53 disposed on the optical path of the laser beam and used for coupling the laser beam to the optical fiber jumper 6.

It is understood that the laser filter 52 is used to filter the return light of the laser beam, and reduce the possibility of damage to the laser generating assembly 51 caused by the return light.

By adopting the above technical scheme, the laser beam emitted by the laser generation module 5 enters the focusing lens 53 after being filtered by the laser filter 52, the focusing lens 53 focuses and couples the laser beam into the optical fiber jumper 6, and the laser beam can be transmitted to a specific device through the optical fiber jumper 6, so that the output of the laser is realized.

As shown in fig. 2, as one of the optional embodiments of this embodiment, the plane where the bottom surface of the temperature-controlled bottom plate is located is an XY plane, and the laser generating assembly 51 includes a plurality of laser light emitting units 511, a plurality of fast-axis collimating mirrors 512, a plurality of slow-axis collimating mirrors 513, a plurality of bragg gratings 514, and a plurality of reflecting mirrors 515; each laser light emitting unit 511 and a corresponding fast axis collimating mirror 512, a corresponding slow axis collimating mirror 513, a corresponding bragg grating 514 and a corresponding reflector 515 are located on the same straight line in the X axis direction, the optical axis of the fast axis collimating mirror 512, the optical axis of the slow axis collimating mirror 513 and the optical axis of the bragg grating 514 are overlapped and aligned with the light emitting surface of the corresponding laser light emitting unit 511, all the laser light emitting units 511 are staggered in the Z axis direction, in other words, the laser light emitting units 511 do not present a row of in-line structure, but are staggered with each other, and the laser light emitting units 511 are not all or partially located on the same height in height, but have different heights, so that the light beams emitted by the laser light emitting units 511 do not interfere with each other when being emitted in the same direction. All the mirrors 515 are located on the same line in the Y-axis direction and are highly staggered in the Z-axis direction. Similarly, all the reflectors 515 are highly staggered, that is, each reflector 515 corresponds to each laser emitting unit 511 one by one, so as to deflect the laser beam emitted by each laser emitting unit 511.

It is to be understood that the present embodiment does not limit the kind of the laser light emitting unit 511, and the laser light emitting unit 511 may be a COS or a semiconductor laser diode, and the laser light emitting unit 511 is preferably a COS in the present embodiment. Specifically, the COS is fixed on the temperature-controlled base plate 3 by soldering with SnAgCu solder.

It is understood that the fast axis collimator 512 is adapted to receive the laser light emitted from the laser emitting unit 511, convert the laser light into a first parallel beam along the fast axis direction, and output the first parallel beam. Specifically, the fast axis collimator 512 is an aspheric lens or a double cemented lens with an aspherical function. It will be appreciated that the slow axis collimator lens 513 is adapted to receive the first parallel beam and convert the first parallel beam into a second parallel beam along the slow axis. The slow axis collimating lens 513 is an aspheric lens or a double cemented lens with an aspherical function. The spherical aberration eliminating function can eliminate spherical aberration and comet aberration simultaneously, and further improve the light beam quality.

It can be understood that the volume bragg grating 514 may feed back a portion of the incident laser light to the source region of the laser light emitting unit 511 according to the original incident light path, so as to realize the output wavelength locking of the laser light emitting unit 511, and further realize the narrow-spectrum output of the laser light.

As in the embodiments shown in fig. 3 and 4, it can be understood that all the laser light emitting units 511 are highly staggered in the Z-axis direction, so that the laser light emitted from each laser light emitting unit 511 is highly different from each other and is staggered from each other in the XY plane. Specifically, as shown in fig. 4, steps with different heights are formed on the temperature-controlled bottom plate 3, each laser light-emitting unit 511 is respectively arranged on each step, and the laser light-emitting units 511 are spatially arranged in a three-dimensional manner instead of a single planar arrangement, so that all the laser light-emitting units 511 are arranged in a three-dimensional tower shape on the temperature-controlled bottom plate 3, and further, the light paths of each laser light-emitting unit 511 are staggered from each other in the Z-axis direction, so that the light paths are independent from each other, and interference is avoided.

It can be understood that all the mirrors 515 are located on the same straight line in the Y-axis direction and are highly staggered in the Z-axis direction, and all the mirrors 515 are located on the same straight line in the Y-axis direction, so that the optical paths of the mirrors 515 can be converged in the same straight line direction; all the reflecting mirrors 515 are staggered in height in the Z-axis direction, so that the light paths reflected by the reflecting mirrors 515 are independent from each other, and the interference is avoided.

Specifically, the fast axis collimating mirror 512, the slow axis collimating mirror 513, the bragg grating 514, and the reflecting mirror 515 are fixed on the temperature-controlled bottom plate 3 by gluing with UV3410 glue.

By adopting the above technical scheme, the laser beam emitted by the laser generation module 5 is collimated in the fast axis direction by the fast axis collimating mirror 512, then collimated in the slow axis direction by the slow axis collimating mirror 513, then locked in wavelength by the bragg grating 514, and finally reflected to the focusing lens 53 by the reflector 515 for coupling; the model specifications and the position relations of each fast axis collimating mirror 512, each slow axis collimating mirror 513, each bragg grating 514 and each reflecting mirror 515 can be customized according to different laser output requirements, so as to output laser meeting the design requirements.

As shown in fig. 2, as an alternative implementation manner of this embodiment, the pump source packaging structure 100 further includes a connector 7, the connector 7 is disposed through the side walls of the outer shell 1 and the inner shell 2, the connector 7 is electrically connected to the laser generation module 5, and the connector 7 is used for transmitting an electrical signal of an external device to the laser generation module 5. Specifically, the connector 7 in this embodiment is preferably a glass insulator, and the glass insulator is composed of an external glass insulating layer and a wire arranged therein, one end of the wire extends to be electrically connected with each laser light emitting unit 511, and the other end of the wire is connected with an external power supply device, so that the external power supply device supplies power to each laser light emitting unit 511, and thus normal operation of each laser light emitting unit 511 is realized.

By adopting the above technical scheme, connector 7 is with external power supply equipment and laser generation module 5 electric connection, can realize that external power supply equipment supplies power for laser generation module 5, and then guarantees that laser generation module 5 can normally work.

As an optional implementation manner of this embodiment, in an embodiment, a sand blasting layer (not shown) and a metal plating layer (not shown) are provided on the surfaces of the outer shell 1, the inner shell 2 and the temperature-controlled base plate 3. The sand blasting layer is formed by a sand blasting process, and all dirt such as rust on the surface of the workpiece can be removed by sand blasting so as to facilitate the subsequent electroplating and adhesion of a metal coating; the metal plating layer is formed by an electroplating process, and specifically, the plating metal in the present embodiment is preferably gold or nickel. The nickel plating can increase the wear resistance of the outer shell 1, the inner shell 2 and the temperature control bottom plate 3, and can improve the appearance attractiveness. The gold plating can increase the high temperature resistance of the outer shell 1, the inner shell 2 and the temperature control bottom plate 3, has good discoloration resistance and can also improve the appearance attractiveness.

By adopting the technical scheme, the surfaces of the outer shell 1, the inner shell 2 and the temperature control bottom plate 3 are provided with a sand blasting layer and a metal coating; the physical properties of the outer shell 1, the inner shell 2 and the temperature control bottom plate 3 can be improved, and the attractiveness of the product is improved.

As an optional implementation manner of this embodiment, in an embodiment, the heat insulation cavity 4 is filled with a heat insulation medium (not shown), and the heat insulation medium includes, but is not limited to, mica sheets or aerogel; in another embodiment, the heat insulation chamber 4 is filled with a flame retardant medium (not shown), and the flame retardant medium may be a solid powdery flame retardant or a microcapsule containing a flame retardant. Wherein the flame retardant comprises an organic flame retardant, an inorganic flame retardant or a mixed flame retardant formed by mixing the inorganic flame retardant and the organic flame retardant. The specific components thereof are well known in the prior art, and are not described in detail in this embodiment. The flame retardant medium should preferably be a substance with low heat conduction efficiency to realize flame retardancy without affecting the heat insulation effect.

By adopting the technical scheme, the heat insulation effect of the heat insulation cavity 4 can be further enhanced by filling the heat insulation medium in the heat insulation cavity 4; the flame-retardant medium is filled in the heat insulation cavity 4, so that flame retardance can be realized when the electronic component is on fire, and the fire can be prevented from spreading.

As an alternative embodiment of this embodiment, a heat dissipation assembly (not shown) is disposed on a side of the temperature-controlled bottom plate 3 away from the laser generation module 5. It is understood that the heat dissipation assembly includes, but is not limited to: water cooling heat sink, air cooling heat sink, etc.

Through adopting above-mentioned technical scheme, laser generation module 5 can produce the heat at the during operation, and radiator unit can go out the produced heat transfer of laser generation module 5, and then realizes regulating and controlling laser generation module 5's temperature.

The present embodiment further provides a laser, including a laser gain medium, a resonant cavity, and the pump source package structure 100 in any of the above embodiments, where the pump source package structure 100 has the beneficial effects of the pump source package structure 100 in any of the above embodiments, the pump source package structure 100 is configured to excite the laser gain medium, the laser gain is configured to receive radiation from the pump source package structure 100 and emit photons, and the resonant cavity is configured to amplify photons emitted from the laser gain medium to output continuous laser or pulsed laser.

By adopting the above technical scheme, because the optimum operating temperature of pumping source packaging structure 100 and resonant cavity is different, the speed that the heat transfer that adopts pumping source packaging structure 100 that this embodiment provided can reduce resonant cavity department production is to pumping source packaging structure 100 department, and then is convenient for regulate and control the temperature of pumping source packaging structure 100 department, and then realizes the accurate accuse temperature of each part of laser to guarantee laser output's stability.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A pumping source packaging structure is characterized by comprising an outer shell provided with an accommodating cavity, an inner shell arranged in the accommodating cavity and a temperature control bottom plate connected with the outer shell and the inner shell, wherein a gap is reserved between the inner shell and the outer shell;

2. The pump source package structure of claim 1, wherein the housing comprises an outer frame disposed on the temperature-controlled bottom plate, and an outer cover disposed on the outer frame, and the outer frame, the outer cover, and the temperature-controlled bottom plate form the accommodating cavity; the inner shell is including locating interior casing on the accuse temperature bottom plate, and locate inner cup on the interior casing, the interior casing inner cup and it has to surround between the accuse temperature bottom plate to form the installation cavity.

3. The pump source packaging structure of claim 2, wherein the thermal insulation cavity is formed by an inner wall of the outer frame, an inner wall of the outer cover, and an outer wall of the inner frame, and the outer wall of the inner cover and the inner wall of the temperature-controlled base plate surround each other.

4. The pump source package structure of claim 2, wherein the outer frame further comprises a nozzle and a nozzle protection sleeve, the nozzle is disposed on a surface of a side of the outer frame facing away from the inner frame, the optical fiber jumper is disposed in the nozzle, and the nozzle protection sleeve is sleeved on the nozzle.

5. The pump source package of claim 1, wherein the laser generation module comprises a laser generation assembly for emitting a laser beam, a laser filter disposed on an optical path of the laser beam, and a focusing lens disposed on the optical path of the laser beam for coupling the laser beam to the optical fiber jumper.

6. The pump source package of claim 1, wherein the insulating cavity comprises a vacuum line disposed therein, the vacuum line configured to couple to an external vacuum device.

7. The pump source package of claim 1, wherein the outer shell, the inner shell, and the temperature controlled base plate have a sand blasting layer and a metal coating on their surfaces.

8. Pump source encapsulation structure according to claim 1, characterized in that the insulating cavity is filled with an insulating medium and/or a flame-retardant medium.

9. The pump source package of claim 1, wherein a side of the temperature controlled backplane facing away from the laser generation module is provided with a heat sink.

10. A laser comprising a laser gain medium, a resonant cavity, and the pump source package of any of claims 1 to 9, wherein the pump source package is configured to excite the laser gain medium, wherein the laser gain is configured to receive radiation from the pump source package to emit photons, and wherein the resonant cavity is configured to amplify the photons emitted from the laser gain medium to output continuous laser light or pulsed laser light.