CN217720248U - Multipurpose type bar space coupling laser module - Google Patents
Multipurpose type bar space coupling laser module Download PDFInfo
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- CN217720248U CN217720248U CN202222066908.5U CN202222066908U CN217720248U CN 217720248 U CN217720248 U CN 217720248U CN 202222066908 U CN202222066908 U CN 202222066908U CN 217720248 U CN217720248 U CN 217720248U
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Abstract
The utility model relates to a multipurpose type bar space coupling laser module, including laser instrument water course main part, a plurality of heat sink laser module, optical coupling battery of lens. The laser water channel main body comprises a water channel base, a step structure is arranged on the water channel base, the step structure is reduced along the direction from the first end to the second end of the water channel base, and heat sink laser modules are oppositely arranged on each step surface. The optical coupling lens group is arranged on the upper surface of the water channel base and positioned between the heat sink laser modules which are arranged oppositely. The utility model discloses a satisfying under the prerequisite of laser module heat dissipation demand, the structural redesign rivers structure that has carried out of water course, the radiating effect is good. The water and electricity isolation is realized, and the circuit and the product body are in an insulating state, so that the safety and the applicability are improved. The coupling of optical lens group is adjusted and the design of battery of lens, adopts the space coupling of multitube ba, and maneuverability and practicality are strong.
Description
Technical Field
The utility model belongs to semiconductor laser trade field, concretely relates to multipurpose type bar space coupling laser module.
Background
The semiconductor laser has the advantages of small volume, low price, high efficiency, long service life and the like, and is widely applied to the fields of material processing, medical cosmetology, national defense and military, industrial pumping, scientific research and the like.
The performance of a laser is closely related to the spot coupling of the laser, in addition to the chip quality. In the occasion of needing to use a high-power laser module, the output lasers of a plurality of laser modules need to be combined, the light spot coupling of the existing laser is single-tube bar space coupling or single-tube bar optical fiber coupling, and the single-tube bar space coupling module is overlarge in size and heavier in weight; the single-tube bus optical fiber coupling module is also large in size, multi-optical fiber output is used, and output optical fibers are difficult to combine.
Meanwhile, when a high-power laser module is used, the laser module needs to be radiated, a heat sink packaging mode is also particularly important, the temperature consistency of a heat sink is considered, and the sealing efficiency, the insulation efficiency and the heat transfer efficiency are also considered, so that the problem that the conventional laser module needs to solve urgently is solved.
SUMMERY OF THE UTILITY MODEL
In order to solve the above-mentioned problem that exists among the prior art, the utility model provides a multipurpose type batten space coupling laser module. The to-be-solved technical problem of the utility model is realized through following technical scheme:
in an embodiment of the present invention, a multipurpose type batten space coupling laser module comprises a laser water channel main body, a plurality of heat sink laser modules, and an optical coupling lens group.
The laser water channel main body comprises a water channel base and an upper cover, and a main body water cooling channel structure is arranged in the water channel base.
Be provided with the stair structure on the water course base, the stair structure is followed the direction of water course base first end to second end reduces, is provided with in opposite directions on every ladder face heat sink laser module.
The heat sink laser module circuits are connected in series to form a circuit path, and the heat sink laser modules at the head end and the tail end are connected with an external circuit.
The upper cover is arranged on the water channel base, the water channel base and the upper cover are arranged in a surrounding mode to form a hollow cavity, and the heat sink laser module and the optical coupling lens group are located inside the hollow cavity.
The heat sink laser module comprises a heat sink module base and a laser module arranged on the heat sink module base, wherein a heat sink module water-cooling channel structure is arranged in the heat sink module base, the heat sink module water-cooling channel structure is communicated with the main body water-cooling channel structure, and the water-cooling channel structure is communicated with an external water channel through a water inlet and a water outlet formed in the side wall of the first end of the water channel base.
The optical coupling lens group is arranged on the upper surface of the water channel base, is positioned between the heat sink laser modules which are arranged oppositely, and is coupled and connected with the heat sink laser modules.
In an embodiment of the present invention, the laser water channel main body includes a positioning seat and a female head base.
The side wall of the second end of the water channel base is provided with a protruding portion, the positioning seat is located on the protruding portion, one end of the female head base is connected with the positioning seat, and the other end of the female head base is connected with an external output optical fiber jumper wire connector.
In an embodiment of the invention, the laser water channel main body further comprises a thermocouple.
The thermocouple is a temperature sensor, one end of the thermocouple is arranged in the water channel base, and the other end of the thermocouple extends out of the multipurpose type batten space coupling laser module from the side wall of the first end of the water channel base.
In an embodiment of the present invention, the laser water channel main body further includes a lead electrode and a ceramic insulating pellet.
The side wall of the upper cover is provided with two through holes, the two lead electrodes are respectively used as a positive electrode and a negative electrode, the first end of the positive electrode is connected with the heat sink laser module at the head end, and the first end of the negative electrode is connected with the heat sink laser module at the tail end.
And the second end of the positive electrode and the second end of the negative electrode respectively penetrate out of the through hole and are connected with an external circuit so as to realize circuit input and output. And the ceramic insulating particles are arranged between the lead electrode and the through hole.
In an embodiment of the present invention, the laser waterway body further includes a first seal ring, a back pressure cover, a second seal ring, and a third seal ring.
The water channel base and the upper cover are sealed through the first sealing ring. The rear gland is connected with the lower surface of the water channel base, and the rear gland and a main body water cooling channel structure on the water channel base are sealed through the second sealing ring. And the heat sink module water-cooling channel structure and the main body water-cooling channel structure are sealed through the third sealing ring.
In an embodiment of the present invention, the laser module includes a ceramic wafer, a tungsten copper anode, a double-sided copper-clad plate, a laser chip and a circuit cathode.
The ceramic plate is arranged on the upper surface of the heat sink module base.
The tungsten-copper anode is arranged on the ceramic sheet. The lower surface of the laser chip is a P surface of the laser chip and is connected with the tungsten-copper anode, and the upper surface of the laser chip is an N surface of the laser chip and is connected with the circuit cathode.
The double-sided copper-clad plate is arranged on the tungsten-copper anode and used for isolating the tungsten-copper anode and the circuit cathode.
The utility model discloses an embodiment, a plurality of heat sink module water-cooling channel structure in the heat sink module base connects in parallel, every the heat sink module base simultaneously with main part water-cooling channel structure carries out the heat exchange.
In an embodiment of the present invention, the multi-purpose type bar space coupling laser module further comprises a plurality of collimating modules.
The plurality of collimation modules are respectively coupled with the output ends of the corresponding plurality of heat sink laser modules.
The collimation module comprises a fast axis collimation module, a slow axis collimation module and a collimation support bar. The collimation support bar is positioned on the upper surface of the heat sink module base and is arranged close to the output end of the laser chip.
The fast axis collimation and the slow axis collimation are sequentially arranged in a coupling mode in the beam outgoing direction of the output light beam of the laser chip and are also arranged on the collimation support bar.
In an embodiment of the present invention, the optical coupling lens group includes a plurality of reflectors, a focusing lens holder and an aspheric focusing lens.
Wherein, a plurality of the speculum corresponds respectively to set up on the ladder face between two heat sink laser module in opposite directions, two planes of reflection on the speculum are used for with in opposite directions the light path of heat sink laser module's output beam changes to follow the first end of water course base to the second end direction.
The focusing lens support is arranged on the water channel base at a position close to the protruding part and is positioned in the changed light path direction. The aspheric focusing lens is disposed on the focusing lens holder.
In an embodiment of the present invention, a lens is disposed on the upper cover.
The lens is positioned at the outer side of one end of the upper cover, and the light beam which is coupled and shaped by the aspheric focusing lens penetrates through the lens and then is output to an external output optical fiber connected with the female head base.
Compared with the prior art, the beneficial effects of the utility model reside in that:
the utility model discloses a multipurpose type bar space coupling laser module is under the prerequisite that satisfies laser module heat dissipation demand, maintains a fine balanced stable operating system environment that dispels the heat, can realize bigger thermal heat-conduction, and the water course has carried out redesign rivers structure structurally, simple structure, workable, and the radiating effect is good. The overall structure is detachable, and the follow-up maintenance is convenient. The water and electricity isolation is realized, and the circuit and the product body are in an insulating state, so that the safety and the applicability are improved. The heat sink laser module circuits are connected in series, the water cooling channel structure is designed in a parallel mode, and power is improved in a mode of overlapping the laser modules on the premise of meeting the requirements of the circuits, the water paths and the light spots. The coupling of optical lens group is adjusted and the design of battery of lens, adopts the space coupling of multitube ba, and maneuverability and practicality are strong.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented according to the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more obvious and understandable, the following preferred embodiments are described in detail with reference to the accompanying drawings.
Drawings
Fig. 1 is a schematic structural diagram of a multipurpose barstripe space coupling laser module according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a multipurpose space-coupled laser module according to an embodiment of the present invention with an upper cover removed;
fig. 3 is a schematic structural diagram of a water channel main body of a laser provided by an embodiment of the present invention;
fig. 4 is a schematic diagram of a water-cooling channel structure of a water channel main body of a laser according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a heat sink laser module according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of an optical coupling lens assembly provided in an embodiment of the present invention;
fig. 7 is a light path simulation diagram for finite element analysis of a multi-purpose spatially-coupled laser module with multiple bars according to an embodiment of the present invention.
An icon: 100-laser channel body; 101-a waterway base; 102-an upper cover; 103-lead electrodes; 104-a thermocouple; 105-a positioning seat; 106-a first sealing ring; 107-female base; 108-rear gland; 109-a second seal ring; 110-ceramic insulating particles; 111-a third seal ring; 112-a lens; 200-heat sink laser module; 201-heat sink module base; 202-ceramic plate; 203-tungsten copper anode; 204-double-sided copper clad laminate; 205-laser chip; 206-circuit negative pole; 207-alignment support bars; 300-an optical coupling lens group; 301-fast axis collimation; 302-slow axis collimation; 303-a mirror; 304-a focusing lens holder; 305-aspherical focusing lens.
Detailed Description
To further illustrate the technical means and effects of the present invention adopted to achieve the objects of the present invention, the following description will be made in conjunction with the accompanying drawings and the detailed description of the embodiments for a multipurpose space-coupled laser module according to the present invention.
The foregoing and other technical matters, features and effects of the present invention will be apparent from the following detailed description of the embodiments, which is to be read in connection with the accompanying drawings. The technical means and effects of the present invention to achieve the predetermined objects can be more deeply and specifically understood through the description of the specific embodiments, however, the attached drawings are only for reference and description and are not intended to limit the technical solution of the present invention.
Example one
Referring to fig. 1 and fig. 2, fig. 1 is a schematic structural diagram of a multipurpose barstripe space coupling laser module according to an embodiment of the present invention; fig. 2 is a schematic structural diagram of a multipurpose space-coupling laser module with an upper cover removed according to an embodiment of the present invention.
In an embodiment, a multi-purpose spatially-coupled laser module includes a laser channel body 100, a plurality of heat sink laser modules 200, and an optical coupling lens assembly 300.
Therein, the laser waterway body 100 includes a waterway base 101 and an upper cover 102.
In an exemplary embodiment, a body water cooling channel structure is disposed within the waterway base 101.
In an embodiment, the waterway base 101 has a stepped structure, the stepped structure is lowered along a direction from the first end to the second end of the waterway base 101, and the heat sink laser modules 200 are oppositely disposed on each stepped surface.
In an exemplary embodiment, several of the heat sink laser modules 200 are electrically connected in series to form a circuit path, with the head and tail heat sink laser modules 200 being connected to an external circuit.
In a specific embodiment, the upper cover 102 is disposed on the waterway base 101, the waterway base 101 and the upper cover 102 are enclosed to form a hollow cavity, and the plurality of heat sink laser modules 200 and the optical coupling lens group 300 are located inside the hollow cavity.
Specifically, the waterway base 101 and the upper cover 102 are coupled by a plurality of screws.
In a specific embodiment, the heat sink laser module 200 includes a heat sink module base 201 and a laser module disposed on the heat sink module base 201, a heat sink module water cooling channel structure is disposed in the heat sink module base 201, the heat sink module water cooling channel structure is communicated with the main body water cooling channel structure, and the water cooling channel structure is communicated with an external water channel through a water inlet and a water outlet disposed on a first end side wall of the water channel base 101.
In an embodiment, the optical coupling lens assembly 300 is disposed on the upper surface of the water channel base 101, located between the heat sink laser modules 200 disposed opposite to each other, and coupled to a plurality of heat sink laser modules 200.
In a specific embodiment, the circuit is connected in a mode of series connection of bridging electrodes, currents of all laser modules are equal, voltage is self-adaptive, and light emitting of all light emitting points can be guaranteed to be uniform.
Referring to fig. 3 and 4, fig. 3 is a schematic structural diagram of a water channel main body of a laser according to an embodiment of the present invention; fig. 4 is a schematic diagram of a water-cooling channel structure of a water channel main body of a laser provided in an embodiment of the present invention.
In a specific embodiment, the heat sink module water cooling channel structures inside the plurality of heat sink laser modules 200 are connected in parallel and exchange heat with the main body water cooling channel structure, so that primary water flow after cooling of each heat sink module water cooling channel structure can be guaranteed, the heat dissipation effect is better, the water resistance is smaller, the water flow is larger, and the heat exchange is faster.
As shown in the figure, the main body water-cooling channel structure and the heat sink module water-cooling channel structure are communicated to form a water-cooling heat dissipation channel, cooling water enters from the water inlet of the water channel base 101 and directly flows through the inside of the main body water-cooling channel structure, after the main body water-cooling channel structure is filled with the cooling water, the water pressure presses the cooling water into the heat sink module water-cooling channel structure, the cooling water flows back to the water channel base 101 after heat conduction, and finally flows out from the water outlet of the water channel base 101, so that the heat dissipation of the heat sink laser module 200 is realized, and the purpose of integral heat exchange is achieved.
It is worth noting that the main body water-cooling channel structure adopts an open processing mode, the rear gland 108 covers the main body water-cooling channel structure, the second sealing ring 109 is used for sealing the water channel, the main body water-cooling channel structure is designed according to the optimal state, the processing difficulty is low, the water leakage risk is reduced, the follow-up maintenance is convenient, and the cost is controllable.
In an exemplary embodiment, the laser waterway body 100 further includes a positioning socket 105 and a female header base 107.
Wherein, a protruding part is arranged on the side wall of the second end of the water channel base 101, the positioning seat 105 is positioned on the protruding part, one end of the female head base 107 is connected with the positioning seat 105, and the other end is connected with an external output optical fiber jumper wire connector.
Specifically, the female base 107 is inserted into the corresponding optical fiber connector, and the female base 107 is positioned by the positioning seat 105, so that the light spot calibration output is performed according to the central position of the optical fiber connector when the light spot is coupled.
Further, the female base 107 and the optical fiber connector are matched replaceable parts and are replaced according to the size of the external output optical fiber.
In particular embodiments, laser waterway body 100 further includes a thermocouple 104.
Specifically, the thermocouple 104 is a temperature sensor, one end of which is disposed inside the waterway base 101, and the other end of which protrudes from the first end sidewall of the waterway base 101 to form a multi-purpose spatially-coupled laser module for monitoring the temperature inside the waterway base 101.
In a particular embodiment, the laser waterway body 100 further includes a lead electrode 103 and a ceramic insulating pellet 110.
Specifically, two through holes are formed in the side wall of the upper cover 102, the two lead electrodes 103 are respectively used as a positive electrode and a negative electrode, the first end of the positive electrode is connected to the heat sink laser module 200 at the head end, and the first end of the negative electrode is connected to the heat sink laser module 200 at the tail end.
Furthermore, the second end of the positive electrode and the second end of the negative electrode respectively penetrate out of the through hole and are connected with an external circuit, so that circuit input and circuit output are achieved.
In the specific embodiment, the ceramic insulating particles 110 are arranged between the lead electrodes 103 and the through holes, so that water and electricity are isolated, and the whole outer frame of the product is ensured to be in an insulating state.
In particular embodiments, laser waterway body 100 further includes a first seal ring 106, a back gland 108, a second seal ring 109, and a third seal ring 111.
Specifically, the waterway base 101 and the upper cover 102 are sealed by a first seal ring 106; the rear gland 108 is connected to the lower surface of the waterway base 101, and the rear gland 108 and the main body water-cooling passage structure on the waterway base 101 are sealed by a second seal ring 109.
The heat sink module water-cooling channel structure and the main body water-cooling channel structure are sealed through the third sealing ring 111, and the sealing performance and the smoothness of a water path are guaranteed.
In a particular embodiment, a lens 112 is disposed on the cover 102.
Specifically, the lens 112 is located at the outer side of one end of the upper cover 102, and the light beam coupled and shaped by the aspheric focusing lens 305 is output to the external output optical fiber jumper connector connected with the female terminal base 107 after passing through the lens 112.
Furthermore, the light outlet is sealed by the lens 112, so that the light can be perfectly transmitted, the vacuum sealing in the laser cavity is ensured, the risk of dewing on the cavity surface of the laser chip 205 due to the fact that the inside of the laser chip is wet and cold and hot alternately is avoided, the waterproof performance and the cleanness degree of the inside of the laser are ensured, the service life of the laser is prolonged, and the technological performance of a product is enhanced. In addition, the split structure is convenient for subsequent after-sale maintenance, reduces more complex workload, saves cost and improves working efficiency.
Fig. 5 is a schematic structural diagram of a heat sink laser module according to an embodiment of the present invention.
In a specific embodiment, the laser module comprises a ceramic plate 202, a tungsten copper anode 203, a double-sided copper clad plate 204, a laser chip 205 and a circuit cathode 206.
Wherein, the ceramic plate 202 is arranged on the upper surface of the heat sink module base 201, and the tungsten-copper anode 203 is arranged on the ceramic plate 202.
In the specific embodiment, the lower surface of the laser chip 205 is a P-surface of the laser chip and is connected to the tungsten-copper anode 203, and the upper surface is an N-surface of the laser chip and is connected to the circuit cathode 206.
In a specific embodiment, the double-sided copper-clad plate 204 is disposed on the tungsten-copper anode 203 for isolating the tungsten-copper anode 203 from the circuit cathode 206.
In a specific embodiment, the heat sink module water cooling channel structures in the plurality of heat sink module bases 201 are connected in parallel, and each heat sink module base 201 exchanges heat with the main body water cooling channel structure at the same time.
In the embodiment, to ensure the usability of the laser module, the laser chip 205 and the tungsten-copper anode 203 are sintered together by using a sintering furnace and Au is used80Sn20The welding flux is welded, the welding strength is higher, the fusing and insufficient welding conditions are not easy to occur at high temperature, and the welding wire is more durable.
In particular, since Au80Sn20The solder is hard solder, so the tungsten copper anode 203 needs to be welded by adopting tungsten copper material, and because the thermal expansion coefficient of the tungsten copper material is close to that of the laser chip 205 material, the stress micro-deformation caused by high temperature can not be generated under the working state, thereby protecting the laserNormal light emitting performance, high heat conducting performance of tungsten and copper and good electric conductivity, thereby being more beneficial to heat conduction and heat dissipation;
furthermore, the circuit cathode 206 is made of red copper with the thickness of 0.1mm, a packaging jig is used for assisting in welding on the heating table, and indium-silver solder is used for welding, so that the conductivity of the circuit cathode 206 is guaranteed.
In the specific embodiment, the double-sided copper-clad plate 204 is used for isolating the tungsten copper anode 203 from the circuit cathode 206 and preventing the anode and cathode from contacting to cause short circuit.
Specifically, the double-sided copper-clad plate 204 is double-sided copper-clad, tin-sprayed and indium-plated, so that the weldability and the insulativity are enhanced.
In a specific embodiment, the tungsten copper anode 203 conducts heat generated by the laser chip 205 to the heat sink module base 201 through the ceramic sheet 202, and then cooling water is extruded by the water-cooled channel structure of the water pressure heat sink module, so that the heat generated by the laser chip 205 is taken away by the cooling water, thereby achieving the purpose of heat exchange.
In a specific embodiment, the ceramic sheet 202 is made of AlN with gold plated on both sides, and the AlN material has high thermal conductivity, thereby increasing the thermal conductivity and weldability of the heat sink laser module 200.
Specifically, the periphery of the ceramic sheet 202 is insulated, so that the water and electricity isolation of the heat sink laser module 200 is realized.
Further, the material of heat sink module base 201 is oxygen-free copper gilding, has guaranteed the welding nature of heat sink module base 201 and the oxidation resistance of long-time water-flowing.
In a specific embodiment, the multi-purpose bar space-coupled laser module further comprises a plurality of collimating modules.
Wherein, the plurality of collimation modules are respectively coupled with the output ends of the corresponding plurality of heat sink laser modules 200.
Specifically, the collimation module includes a fast axis collimation 301, a slow axis collimation 302, and a collimation support bar 207.
The collimating support bar 207 is located on the upper surface of the heat sink module base 201, and is placed near the output end of the laser chip 205.
The fast axis collimation 301 and the slow axis collimation 302 are sequentially coupled in the outgoing direction of the output beam of the laser chip 205, and are also disposed on the collimation support bar 207.
Specifically, the fast axis collimation 301 and the slow axis collimation 302 are adhered to the upper end of the collimation support bar 207 by using optical glue, and are baked by using an ultraviolet curing lamp for about 15min until being completely cured.
Furthermore, the fast axis collimation 301 and the slow axis collimation 302 are quartz-made surfaces coated with antireflection films, the light transmittance of the quartz is high, so the energy loss is low, the coupling clamping of the fast axis collimation 301 and the slow axis collimation 302 is completed by means of an optical shaping platform, and the adjustment is performed according to the design requirements.
Referring to fig. 6, fig. 6 is a schematic view illustrating a structure of an optical coupling lens assembly according to an embodiment of the present invention.
In a specific embodiment, the optical coupling lens group 300 includes several mirrors 303, a focusing lens holder 304, and an aspherical focusing lens 305.
The plurality of reflectors 303 are respectively and correspondingly disposed between the two opposite heat sink laser modules 200 on the stepped surface, and the two reflecting surfaces on the reflectors 303 are used for changing the optical path of the output light beam of the opposite heat sink laser modules 200 into a direction from the first end to the second end of the water channel base 101.
Specifically, the reflecting surface is plated with a high-reflection film, so that total reflection of light can be realized.
In a specific embodiment, the focus lens holder 304 is disposed on the waterway base 101 at a position close to the projection and in the changed optical path direction.
In a particular embodiment, an aspheric focusing lens 305 is disposed on the focusing lens holder 304.
In a specific embodiment, the optical coupling lens group 300 cooperates with the collimating module to form a laser spot shaping spatial beam combining system, firstly, since the divergence angle of the fast and slow axes of the laser chip 205 is too large, the fast and slow axes of the laser chip are required to be compressed, so that the fast axis collimation 301 and the slow axis collimation 302 are used to compress the spots of the output beam of the laser chip 205 to parallel light, then each group of light rays are emitted through the parallel light, the light rays reach the reflecting surface of the reflector 303 to realize 90-degree light path reflection, and the reflected light rays continue to pass through and act on the aspheric focusing lens 305.
Referring to fig. 7, fig. 7 is a light path simulation diagram of finite element analysis of a multi-purpose microstrip spatial coupling laser module according to an embodiment of the present invention.
As shown in the figure, the output beams of the laser chips 205 arranged in a ladder manner are subjected to corresponding fast axis collimation 301 and slow axis collimation 302 respectively, and light spots are independently transmitted in a ladder manner, and the light spots of the output beams are compressed into parallel light; the compressed parallel light reaches the reflecting surface of the corresponding reflector 303 to realize 90-degree reflection, and the light continues to pass through and act on the aspheric focusing lens 305 to realize the beam combination of the parallel light, and is finally output to an external optical fiber through the lens 112.
On the premise of ensuring the quality of light beams, the purpose of laser space coupling beam combination is realized by changing the size and the direction of light spots, a power meter is used for testing the coupling efficiency of each heat sink laser module 200 in the coupling process, and the fast axis collimation 301, the slow axis collimation 302, the reflector 303 and the aspheric focusing lens 305 are adjusted to achieve the maximum power.
By adjusting the position of the focusing lens support 304, the light spot route of each light-emitting point on each group of light rays in the X-axis direction and the Y-axis direction is guaranteed to be controllably changed, then the light spot routes are converged to an intersection point, the intersection point of the light spots just falls to the center of the end face of the optical fiber through light path calculation and coupling, and finally the light spots are output through the optical fiber.
The utility model discloses multipurpose type bar space coupling laser module is under the prerequisite that satisfies laser module heat dissipation demand, maintains a fine balanced stable operating system environment that dispels the heat, can realize bigger thermal heat-conduction, and the water course has carried out redesign rivers structure structurally, simple structure, workable, and the radiating effect is good. The overall structure is detachable, and the follow-up maintenance is convenient. The water and electricity isolation is realized, and the circuit and the product body are in an insulating state, so that the safety and the applicability are improved. The heat sink laser module circuits are connected in series, the water cooling channel structure is designed in a parallel mode, and on the premise that the circuit, the water channel and the light spot requirements are met, the power is improved in a mode of overlapping the laser modules. The design of the coupling regulation and the battery of lens of optical lens group adopts the space coupling of multitube ba, and maneuverability and practicality are strong.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that an article or device that comprises a list of elements does not include only those elements but may include other elements not expressly listed. Without further limitation, an element defined by the phrases "comprising one of 8230 \8230;" does not exclude the presence of additional like elements in an article or device comprising the element. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. The directional or positional relationships indicated by "upper", "lower", "left", "right", etc. are based on the directional or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying 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.
The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model discloses to the ordinary skilled person in technical field's the prerequisite that does not deviate from the utility model discloses under the design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.
Claims (10)
1. A multipurpose bus space coupling laser module is characterized by comprising a laser water channel main body (100), a plurality of heat sink laser modules (200) and an optical coupling lens group (300);
wherein the laser waterway body (100) includes a waterway base (101) and an upper cover (102);
a main body water cooling channel structure is arranged in the water channel base (101);
the water channel base (101) is provided with a stepped structure, the stepped structure is lowered along the direction from the first end to the second end of the water channel base (101), and the heat sink laser modules (200) are oppositely arranged on each stepped surface;
the heat sink laser modules (200) are connected in series to form a circuit path, and the heat sink laser modules (200) at the head end and the tail end are connected with an external circuit;
the upper cover (102) is arranged on the water channel base (101), the water channel base (101) and the upper cover (102) are arranged in a surrounding mode to form a hollow cavity, and the plurality of heat sink laser modules (200) and the optical coupling lens group (300) are located inside the hollow cavity;
the heat sink laser module (200) comprises a heat sink module base (201) and a laser module arranged on the heat sink module base (201), wherein a heat sink module water cooling channel structure is arranged in the heat sink module base (201), the heat sink module water cooling channel structure is communicated with the main body water cooling channel structure, and the water cooling channel structure is communicated with an external water channel through a water inlet and a water outlet which are formed in the side wall of the first end of the water channel base (101);
the optical coupling lens group (300) is arranged on the upper surface of the water channel base (101), is positioned between the heat sink laser modules (200) which are arranged oppositely, and is coupled and connected with the heat sink laser modules (200).
2. The multi-purpose rowbar spatially coupled laser module of claim 1, wherein the laser waterway body (100) includes, a positioning socket (105) and a female header base (107);
wherein, a protruding part is arranged on the side wall of the second end of the waterway base (101);
the positioning seat (105) is positioned on the protruding part;
one end of the female head base (107) is connected with the positioning seat (105), and the other end of the female head base is connected with an external output optical fiber jumper connector.
3. The multiple use, barbar space coupled laser module of claim 1, wherein the laser waterway body (100) further comprises, a thermocouple (104);
the thermocouple (104) is a temperature sensor, one end of the thermocouple is arranged in the water channel base (101), and the other end of the thermocouple extends out of the multi-purpose type batten space coupling laser module from the side wall of the first end of the water channel base (101).
4. The multiple use, barstripe, spatially-coupled laser module of claim 1, wherein said laser waterway body (100) further comprises, a lead electrode (103) and a ceramic insulator pellet (110);
two through holes are formed in the side wall of the upper cover (102), the two lead electrodes (103) are respectively used as a positive electrode and a negative electrode, the first end of the positive electrode is connected with the heat sink laser module (200) at the head end, and the first end of the negative electrode is connected with the heat sink laser module (200) at the tail end;
the second end of the positive electrode and the second end of the negative electrode respectively penetrate out of the through hole and are connected with an external circuit so as to realize circuit input and output;
the ceramic insulating particles (110) are arranged between the lead electrodes (103) and the through holes.
5. The multiple use Barbar space coupled laser module of claim 1, wherein the laser waterway body (100) further comprises a first seal ring (106), a back gland (108), a second seal ring (109), and a third seal ring (111);
the waterway base (101) and the upper cover (102) are sealed through the first sealing ring (106);
the rear gland (108) is connected with the lower surface of the water channel base (101), and the rear gland (108) and a main body water cooling channel structure on the water channel base (101) are sealed through the second sealing ring (109);
the heat sink module water-cooling channel structure and the main body water-cooling channel structure are sealed through the third sealing ring (111).
6. The multi-purpose bus bar space coupling laser module according to claim 1, wherein the laser module comprises a ceramic plate (202), a tungsten copper anode (203), a double-sided copper clad plate (204), a laser chip (205) and a circuit cathode (206);
the ceramic chip (202) is arranged on the upper surface of the heat sink module base (201);
the tungsten-copper anode (203) is arranged on the ceramic plate (202);
the lower surface of the laser chip (205) is a P surface of the laser chip and is connected with the tungsten copper anode (203), and the upper surface of the laser chip is an N surface of the laser chip and is connected with the circuit cathode (206);
the double-sided copper-clad plate (204) is arranged on the tungsten-copper anode (203) and used for isolating the tungsten-copper anode (203) and the circuit cathode (206).
7. The multi-purpose batten space-coupled laser module of claim 1, wherein a number of heat sink module water-cooling channel structures in the heat sink module bases (201) are connected in parallel, and each heat sink module base (201) exchanges heat with the main body water-cooling channel structure simultaneously.
8. The multi-purpose bus-bar space-coupled laser module of claim 6, further comprising a plurality of collimating modules;
the plurality of collimation modules are respectively coupled with the output ends of the corresponding plurality of heat sink laser modules (200);
the collimation module comprises a fast axis collimation module (301), a slow axis collimation module (302) and a collimation support bar (207);
the collimation support bar (207) is positioned on the upper surface of the heat sink module base (201) and is arranged close to the output end of the laser chip (205);
the fast axis collimation (301) and the slow axis collimation (302) are sequentially arranged in a coupling mode in the beam outgoing direction of the output light beam of the laser chip (205) and are also arranged on the collimation support bar (207).
9. The multi-purpose barlength spatially-coupled laser module of claim 2, wherein the optical coupling lens group (300) comprises a plurality of mirrors (303), a focusing lens holder (304), and an aspheric focusing lens (305);
the reflecting mirrors (303) are respectively and correspondingly arranged between two opposite heat sink laser modules (200) on the stepped surface, and the two reflecting surfaces on the reflecting mirrors (303) are used for changing the light path of the output light beam of the opposite heat sink laser modules (200) into the direction from the first end to the second end of the water channel base (101);
the focusing lens support (304) is arranged on the water channel base (101) at a position close to the protruding part and in the changed optical path direction;
the aspherical focusing lens (305) is disposed on the focusing lens holder (304).
10. The multi-purpose bar-space coupled laser module of claim 9, wherein a lens (112) is disposed on the top cover (102);
the lens (112) is positioned at the outer side of one end of the upper cover (102), and the light beam coupled and shaped by the aspheric focusing lens (305) is transmitted through the lens (112) and then output to an external output optical fiber connected with the female head base (107).
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| CN202222066908.5U CN217720248U (en) | 2022-08-05 | 2022-08-05 | Multipurpose type bar space coupling laser module |
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| CN202222066908.5U CN217720248U (en) | 2022-08-05 | 2022-08-05 | Multipurpose type bar space coupling laser module |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117526074A (en) * | 2024-01-05 | 2024-02-06 | 山东华光光电子股份有限公司 | Distributed feedback type passive mode locking stable laser and manufacturing method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117526074A (en) * | 2024-01-05 | 2024-02-06 | 山东华光光电子股份有限公司 | Distributed feedback type passive mode locking stable laser and manufacturing method thereof |
| CN117526074B (en) * | 2024-01-05 | 2024-05-24 | 山东华光光电子股份有限公司 | Distributed feedback type passive mode locking stable laser and manufacturing method thereof |
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Denomination of utility model: A Multipurpose Bar Space Coupled Laser Module Effective date of registration: 20230921 Granted publication date: 20221101 Pledgee: Xi'an innovation financing Company limited by guarantee Pledgor: XI'AN LEITE ELECTRONIC TECHNOLOGY Co.,Ltd. Registration number: Y2023980058038 |
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Granted publication date: 20221101 Pledgee: Xi'an innovation financing Company limited by guarantee Pledgor: XI'AN LEITE ELECTRONIC TECHNOLOGY Co.,Ltd. Registration number: Y2023980058038 |