CN108493744A - Laser module and laser - Google Patents
Laser module and laser Download PDFInfo
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- CN108493744A CN108493744A CN201810242642.0A CN201810242642A CN108493744A CN 108493744 A CN108493744 A CN 108493744A CN 201810242642 A CN201810242642 A CN 201810242642A CN 108493744 A CN108493744 A CN 108493744A
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- 239000013078 crystal Substances 0.000 claims abstract description 97
- 238000005086 pumping Methods 0.000 claims abstract description 56
- 230000008878 coupling Effects 0.000 claims abstract description 23
- 238000010168 coupling process Methods 0.000 claims abstract description 23
- 238000005859 coupling reaction Methods 0.000 claims abstract description 23
- 230000010287 polarization Effects 0.000 claims description 20
- 230000007246 mechanism Effects 0.000 claims description 10
- 230000001105 regulatory effect Effects 0.000 claims description 10
- 238000010521 absorption reaction Methods 0.000 claims description 5
- 230000007704 transition Effects 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000003287 optical effect Effects 0.000 abstract description 7
- 238000002347 injection Methods 0.000 abstract 1
- 239000007924 injection Substances 0.000 abstract 1
- 230000017525 heat dissipation Effects 0.000 description 5
- 230000000875 corresponding effect Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000002277 temperature effect Effects 0.000 description 2
- 238000013519 translation Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000004020 luminiscence type Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007540 photo-reduction reaction Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/02—Constructional details
- H01S3/025—Constructional details of solid state lasers, e.g. housings or mountings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/09—Processes or apparatus for excitation, e.g. pumping
- H01S3/091—Processes or apparatus for excitation, e.g. pumping using optical pumping
- H01S3/094—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light
- H01S3/094049—Guiding of the pump light
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/09—Processes or apparatus for excitation, e.g. pumping
- H01S3/091—Processes or apparatus for excitation, e.g. pumping using optical pumping
- H01S3/094—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light
- H01S3/0941—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light of a laser diode
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Optics & Photonics (AREA)
- Lasers (AREA)
Abstract
The present invention provides a kind of laser module and laser, it is related to laser system technical field, the laser module, including：Pumping source holder, laser light source, coupling mirror and crystal, coupling mirror are used to the laser that laser light source is sent out collecting injection crystal；Laser light source is fixed on one end of pumping source holder, and coupling mirror is fixed in pumping source holder, and coupling mirror is located on the light path of laser light source；The other end of pumping source holder is provided with straight opening slot, and laser light source, towards the opening direction of straight opening slot, straight opening slot is used to provide linear adjustable fixed area to crystal before crystal is fixed；Crystal is fixedly connected in straight opening slot.It is translated by one-dimensional square, finds the power met the requirements and optical quality point, then crystal is fixedly connected in straight opening slot again, the adjusting enhanced convenience of crystal is quick.Crystal is placed directly against on pumping source holder, and crystal can quickly be dissipated heat by straight opening groove bottom and side.
Description
Technical field
The present invention relates to laser system technical fields, more particularly, to a kind of laser module and laser.
Background technology
Laser module generates laser, is required for participating in for crystal, crystal that a form of light is converted into another form
Photoreduction process in, inevitably due to thermal relaxation transition generate thermal energy.The generation of thermal energy keeps the transfer efficiency of crystal big
Big to reduce, crystal needs heat dissipation well.
Generally crystal is assembled in metallic support, the energy that crystal generates can be dissipated timely by metallic support.Greatly
Crystal, is generally assembled on metallic support, metallic support is then placed on laser by the making of batch laser module on the market
On diode pumping source holder, by rotation and translation metallic support, realize that crystal light power and optical quality are satisfied by and want
The point asked.
Traditional design is that crystal is assembled on metallic support first, is taken；It is more again by rotation and translation metallic support
The design debugging for tieing up structure, makes crystal debugging account for larger cost of labor in entire laser module production process.
Invention content
The purpose of the present invention is to provide a kind of laser module and lasers, to alleviate existing crystal tune in the related technology
Save complicated technical problem.
In a first aspect, a kind of laser module provided in an embodiment of the present invention, including：Pumping source holder, laser light source, coupling
Mirror and crystal, the coupling mirror, which is used to collect the laser that laser light source is sent out, injects the crystal；
The laser light source is fixed on one end of the pumping source holder, and the coupling mirror is fixed on the pumping source holder
It is interior, and the coupling mirror is located on the light path of the laser light source；
The other end of the pumping source holder is provided with straight opening slot, and the laser light source is towards the straight opening slot
Opening direction, the straight opening slot are used to provide linear adjustable fixed area to the crystal before the crystal is fixed；
The crystal is fixedly connected in the straight opening slot.
With reference to first aspect, an embodiment of the present invention provides the first possible embodiments of first aspect, wherein institute
Polarised light can be sent out by stating laser light source, and the polarization direction of polarised light is parallel with the length direction of straight opening slot.
The possible embodiment of with reference to first aspect the first, an embodiment of the present invention provides second of first aspect
Possible embodiment, wherein the laser light source includes fixed plate, and slot, the laser light are provided in the fixed plate
The polarization direction for the polarised light that source is sent out is parallel with the depth direction of slot；It is provided with along institute on the inner wall of the pumping source holder
The protrusion of straight opening slot length direction protrusion is stated, the protrusion is corresponding with the slot, so that the slot of the fixed plate is along institute
It states protrusion to be inserted into the pumping source holder, so that the polarization direction for the polarised light that the laser light source is sent out and the straight opening
The length direction of slot is parallel.
The possible embodiment of with reference to first aspect the first, an embodiment of the present invention provides the third of first aspect
Possible embodiment, wherein the crystal includes cross section, the polarization in the orientation in the cross section of the crystal and the crystal
It is consistent to absorb direction；The polarization absorption direction of the crystal is parallel with the polarization direction of polarised light.
With reference to first aspect, an embodiment of the present invention provides the 4th kind of possible embodiments of first aspect, wherein packet
Beam expanding lens is included, the beam expanding lens is fixed on the pumping source holder, and positioned at the straight opening slot on the pumping source holder
Place face, the beam expanding lens is for changing laser beam spot sizes and the angle of divergence.
The 4th kind of possible embodiment with reference to first aspect, an embodiment of the present invention provides the 5th kind of first aspect
Possible embodiment, wherein indent limiting slot is provided on the pumping source holder, the indent limiting slot is expanded with described
Mirror corresponds to, the fixed area for providing the beam expanding lens.
With reference to first aspect, an embodiment of the present invention provides the 6th kind of possible embodiments of first aspect, wherein edge
Laser transmission direction, the straight opening slot include first part and second part, and the gap width of the first part is less than institute
The gap width of second part, the transition position formation supporting surface of the first part and second part are stated, the supporting surface is used for
Support crystal.
With reference to first aspect, an embodiment of the present invention provides the 7th kind of possible embodiments of first aspect, wherein institute
It states and is provided with regulating mechanism in pumping source holder, the regulating mechanism is used to before crystal is fixed adjust the crystal in straight opening
Position in slot.
The 7th kind of possible embodiment with reference to first aspect, an embodiment of the present invention provides the 8th kind of first aspect
Possible embodiment, wherein the regulating mechanism include the first push rod, the second push rod, driving lever, connecting rod, the first spring and
Second spring；
First push rod, the second push rod and driving lever are connect with the connecting rod, and first push rod and second pushes away
Bar is parallel, and first push rod and the second push rod are vertical with connecting rod；The driving lever is vertical with the connecting rod respectively, described
Driving lever is between first push rod and the second push rod, and the driving lever hangs down with first push rod and the second push rod respectively
Directly；
First push rod and the second push rod stretch into the straight opening slot, and first spring one end is connected to the company
One end of extension bar, the other end are connected on the side wall of pumping source holder；Described second spring one end is connected to the connecting rod
The other end, the other end are connected on the side wall of the pumping source holder, so that first push rod and the second push rod can be along straight
Open slot length direction moves back and forth；
The driving lever stretches out the pumping source holder, the position for adjusting first push rod and the second push rod.
Second aspect, a kind of laser provided in an embodiment of the present invention, including above-mentioned laser module.
The embodiment of the present invention brings following advantageous effect：
Laser module provided in an embodiment of the present invention, including：Pumping source holder, laser light source, coupling mirror and crystal.Laser
Light source is fixed on one end of the pumping source holder, and coupling mirror is fixed in the pumping source holder, and the coupling mirror is located at
On the light path of the laser light source, coupling mirror, which is used to collect the laser that laser light source is sent out, injects the crystal.Pumping source
The other end of holder is provided with straight opening slot, and the laser light source is towards the opening direction of the straight opening slot, straight opening slot
For providing linear adjustable fixed area to the crystal before the crystal is fixed, is translated, found full by one-dimensional square
Crystal, is then fixedly connected in the straight opening slot, the adjusting of crystal is more by power and the optical quality point required enough again
It is convenient and efficient.Conventional crystal heat dissipation will be conducted to pumping source holder by metallic support, and there are multilayer thermal resistances, and crystal heat is very
Difficulty dissipates, and crystal temperature effect is very high；Crystal provided in an embodiment of the present invention is placed directly against on pumping source holder, and crystal can be by straight
Opening groove bottom and side quickly dissipate heat.
Laser provided in an embodiment of the present invention, including above-mentioned laser module.It is translated by one-dimensional square, finds satisfaction
It is required that power and optical quality point, then crystal is fixedly connected in the straight opening slot again, the adjusting of crystal is more
It is convenient and efficient.Conventional crystal heat dissipation will be conducted to pumping source holder by metallic support, and there are multilayer thermal resistance, crystal heat is difficult
It dissipates, crystal temperature effect is very high；Crystal provided in an embodiment of the present invention is placed directly against on pumping source holder, and crystal can be by heading straight for
Mouth groove bottom and side quickly dissipate heat.
Other features and advantages of the present invention will illustrate in the following description, also, partly become from specification
It obtains it is clear that understand through the implementation of the invention.The purpose of the present invention and other advantages are in specification, claims
And specifically noted structure is realized and is obtained in attached drawing.
To enable the above objects, features and advantages of the present invention to be clearer and more comprehensible, preferred embodiment cited below particularly, and coordinate
Appended attached drawing, is described in detail below.
Description of the drawings
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, in being described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, other drawings may also be obtained based on these drawings.
Fig. 1 is the sectional view for the laser module that the embodiment of the present invention 1 provides；
Fig. 2 is a kind of vertical view for laser module that the embodiment of the present invention 1 provides (beam expanding lens is not drawn)；
Fig. 3 is the vertical view for another laser module that the embodiment of the present invention 1 provides (beam expanding lens is not drawn)；
Fig. 4 is the vertical view of the laser light source for the laser module that the embodiment of the present invention 1 provides；
Fig. 5 is the schematic diagram of the regulating mechanism for the laser module that the embodiment of the present invention 1 provides.
Icon：100- pumping source holders；110- straight opening slots；111- supporting surfaces；120- indent limiting slots；130- protrusions；
200- laser light sources；210- fixed plates；211- slots；300- coupling mirrors；400- crystal；500- beam expanding lens；The first push rods of 610-；
The second push rods of 620-；630- driving levers；640- connecting rods.
Specific implementation mode
Technical scheme of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
The every other embodiment that personnel are obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that such as occur term "center", "upper", "lower", "left", "right",
The orientation or positional relationship of "vertical", "horizontal", "inner", "outside" etc., instruction is that orientation based on ... shown in the drawings or position are closed
System, is merely for convenience of description of the present invention and simplification of the description, not indicating or implying the indicated device or element must have
Specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.In addition, such as there is art
Language " first ", " second ", " third " are used for description purposes only, and are not understood to indicate or imply relative importance.
In addition, in the description of the embodiment of the present invention unless specifically defined or limited otherwise, term " connected " " connects
Connect " it shall be understood in a broad sense, for example, it may be being fixedly connected, it may be a detachable connection, or be integrally connected；It can be machine
Tool connects, and can also be electrical connection；It can be directly connected, can also can be indirectly connected through an intermediary two members
Connection inside part.For the ordinary skill in the art, it can understand above-mentioned term in the present invention with concrete condition
Concrete meaning.
The present invention provides a kind of laser modules, and knot of multiple embodiments to laser module provided by the invention is given below
Structure is described in detail.
Embodiment 1
As shown in Figs 1-4, laser module provided in an embodiment of the present invention, including：Pumping source holder 100, laser light source
200, coupling mirror 300 and crystal 400.Laser light source 200 is fixed on one end of pumping source holder 100, and coupling mirror 300 is fixed on pump
In Pu source holder 100, and coupling mirror 300 is located on the light path of laser light source 200, and coupling mirror 300 is used for laser light source 200
The laser sent out, which collects, injects crystal 400.The other end of pumping source holder 100 is provided with straight opening slot 110, and laser light source
200 towards straight opening slot 110 opening direction, straight opening slot 110 before crystal 400 is fixed to crystal 400 for providing linearly
Adjustable fixed area, is translated by one-dimensional square, the power met the requirements and optical quality point is found, then again by crystal
400 are fixedly connected in straight opening slot 110, and the adjusting enhanced convenience of crystal 400 is quick.The heat dissipation of conventional crystal 400 will pass through
Metallic support is conducted to pumping source holder 100, and there are multilayer thermal resistance, 400 heat of crystal is difficult to dissipate, and 400 temperature of crystal is very high；
Crystal 400 provided in an embodiment of the present invention is placed directly against on pumping source holder 100, and crystal 400 can pass through 110 bottom of straight opening slot
Face and side quickly dissipate heat.
The crystal 400 for adjusting suitable position may be used glue and fix, and can also be laser welding.
The strong applicability of the laser module, the type according to fixed crystal 400 is different, and laser module can generate fundamental frequency
Light can also generate double-frequency laser.
Coupling mirror 300 can be single coupling mirror 300, can also be double or multiple coupled mirror 300, can also be self-focusing
Mirror can also be the lens combination of the forms such as stick mirror.
Laser light source 200 can be laser diode, and laser diode can send out polarised light, by adjusting two pole of laser
Pipe can make the polarization direction for the polarised light that laser diode sends out parallel with the length direction of straight opening slot 110.It adjusts in advance
The position of the polarization direction and straight opening slot 110 of laser diode provides preparation for the placement of subsequent crystal 400.
Crystal 400 in laser module provided in an embodiment of the present invention is needed by cutting processing, and crystal 400 includes crosscutting
Face, cross section can be arbitrary shapes, debug for convenience, are typically designed rectangularity.The orientation in the cross section of crystal 400 with
The polarization absorption direction of crystal 400 is consistent, in this way, after crystal 400 is placed in straight opening slot 110, the polarization absorption of crystal 400
Direction is parallel with the polarization direction of polarised light, at this point, the output power of crystal 400 is maximum.
In the scheme that one can implement, laser light source 200 includes fixed plate 210, and luminescence component is all fixed on fixation
On plate 210, while laser light source 200 can be fixed in laser module by fixed plate 210.It is provided in fixed plate 210
The polarization direction of slot 211, the polarised light that laser light source 200 is sent out is parallel with the depth direction of slot 211, for example, polarization side
To the perpendicular bisector that can cross slot 211；It is provided on the inner wall of pumping source holder 100 and is protruded along 110 length direction of straight opening slot
Protrusion 130, protrusion is 130 correspondings with slot 211, and raised 130 be elongate configuration, when the slot 211 of fixed plate 210 is along protrusion
130 are inserted into pumping source holders 100, can make the polarization direction of the polarised light that laser light source 200 sends out just with straight opening slot
110 length direction is parallel, facilitates the adjusting of device.
Laser module provided in an embodiment of the present invention includes beam expanding lens 500, and beam expanding lens 500 is fixed on pumping source holder 100
On, and positioned at 110 place face of straight opening slot on pumping source holder 100, beam expanding lens 500 is for changing laser beam spot sizes and diverging
Angle.
In the scheme that one can implement, in order to facilitate the assembly of beam expanding lens 500, it is provided on pumping source holder 100
Indent limiting slot 120, indent limiting slot 120 can be circle, be located at the top of straight opening slot 110, indent limiting slot 120 and expansion
Beam mirror 500 corresponds to, convenient to place beam expanding lens 500 in 400 front end of crystal.Since laser module provided in an embodiment of the present invention is coaxial
Degree is fine, so placing beam expanding lens 500 need not be adjusted, you can to realize preferable optical path adjusting.
Along laser transmission direction, straight opening slot 110 includes first part and second part, and first part compares second part
Narrow, the transition position of first part and second part forms supporting surface 111, and supporting surface 111 is used to support crystal 400, facilitates crystal
400 sliding.
Embodiment 2
As shown in figure 5, difference from Example 1 is, the narrower width of straight opening slot 110, directly adjusted with hand compared with
Difficulty, so, regulating mechanism is provided in pumping source holder 100, regulating mechanism is used to adjust crystal 400 before crystal 400 is fixed
Position in straight opening slot 110.
Specifically, regulating mechanism may include the first push rod 610, the second push rod 620, driving lever 630, connecting rod 640, first
Spring and second spring, the first push rod 610 and the second push rod 620 are used to push before and after the length direction of straight opening slot 110 brilliant
Body 400；First push rod 610, the second push rod 620 and driving lever 630 are connect with connecting rod 640, and the first push rod 610 and second pushes away
Bar 620 is parallel, and the first push rod 610 and the second push rod 620 are vertical with connecting rod 640；Driving lever 630 hangs down with connecting rod 640 respectively
Directly, driving lever 630 is between the first push rod 610 and the second push rod 620, and driving lever 630 is pushed away with the first push rod 610 and second respectively
Bar 620 is vertical；First push rod 610 and the second push rod 620 stretch into straight opening slot 110, and the first spring one end is connected to connecting rod
640 one end, the other end are connected on the side wall of pumping source holder 100；Second spring one end is connected to the another of connecting rod 640
End, the other end is connected on the side wall of pumping source holder 100, so that the first push rod 610 and the second push rod 620 can be along straight openings
110 length direction of slot moves back and forth；Driving lever 630 stretches out pumping source holder 100, for adjusting the first push rod 610 and the second push rod
620 position.By pushing driving lever 630 that can be moved forward and backward the first push rod 610 and the second push rod 620, to adjust crystal 400
Position in straight opening slot 110, the first spring and second spring play the role of reset.
A kind of laser provided in an embodiment of the present invention, including above-mentioned laser module.It is translated, is found by one-dimensional square
Crystal 400, is then fixedly connected in straight opening slot 110, the tune of crystal 400 by power and the optical quality point met the requirements again
It is quick to save enhanced convenience.The heat dissipation of conventional crystal 400 will be conducted to pumping source holder 100 by metallic support, and there are Multi-layer thermals
Resistance, 400 heat of crystal is difficult to dissipate, and 400 temperature of crystal is very high；Crystal 400 provided in an embodiment of the present invention is placed directly against pumping
On source holder 100, crystal 400 can quickly be dissipated heat by 110 bottom surface of straight opening slot and side.
Finally it should be noted that：Above example, only specific implementation mode of the invention, to illustrate the skill of the present invention
Art scheme, rather than its limitations, scope of protection of the present invention is not limited thereto, although with reference to the foregoing embodiments to the present invention into
Go detailed description, it will be understood by those of ordinary skill in the art that：Any one skilled in the art is at this
It invents in the technical scope disclosed, still can modify or can be thought easily to the technical solution recorded in previous embodiment
To variation or equivalent replacement of some of the technical features；And these modifications, variation or replacement, do not make corresponding
The essence of technical solution is detached from the spirit and scope of technical solution of the embodiment of the present invention, should all cover in protection scope of the present invention
Within.Therefore, protection scope of the present invention should be subject to the protection scope in claims.
Claims (10)
1. a kind of laser module, which is characterized in that including：Pumping source holder, laser light source, coupling mirror and crystal, the coupling
Mirror, which is used to collect the laser that laser light source is sent out, injects the crystal；
The laser light source is fixed on one end of the pumping source holder, and the coupling mirror is fixed in the pumping source holder,
And the coupling mirror is located on the light path of the laser light source；
The other end of the pumping source holder is provided with straight opening slot, and the laser light source is towards the opening of the straight opening slot
Direction, the straight opening slot are used to provide linear adjustable fixed area to the crystal before the crystal is fixed；
The crystal is fixedly connected in the straight opening slot.
2. laser module according to claim 1, which is characterized in that the laser light source can send out polarised light, and partially
Shake light polarization direction it is parallel with the length direction of straight opening slot.
3. laser module according to claim 2, which is characterized in that the laser light source includes fixed plate, the fixation
Slot is provided on plate, the polarization direction for the polarised light that the laser light source is sent out is parallel with the depth direction of slot；The pump
The protrusion protruded along straight opening slot length direction, the protrusion and the slot pair are provided on the inner wall of Pu source holder
It answers, so that the slot of the fixed plate is inserted into along the protrusion in the pumping source holder, so that the laser light source was sent out
The polarization direction of polarised light is parallel with the length direction of straight opening slot.
4. laser module according to claim 2, which is characterized in that the crystal includes cross section, the cross of the crystal
The orientation of section is consistent with the polarization absorption direction of the crystal；The polarization side in the polarization absorption direction and polarised light of the crystal
To parallel.
5. laser module according to claim 1, which is characterized in that including beam expanding lens, the beam expanding lens is fixed on described
On pumping source holder, and the face where the straight opening slot on the pumping source holder, the beam expanding lens is for changing laser
Beam diameter and the angle of divergence.
6. laser module according to claim 5, which is characterized in that be provided with indent limit on the pumping source holder
Slot, the indent limiting slot is corresponding with the beam expanding lens, the fixed area for providing the beam expanding lens.
7. laser module according to claim 1, which is characterized in that along laser transmission direction, the straight opening slot includes
First part and second part, the gap width of the first part are less than the gap width of the second part, and described first
Part and the transition position of second part form supporting surface, and the supporting surface is used to support crystal.
8. laser module according to claim 1, which is characterized in that it is provided with regulating mechanism in the pumping source holder,
The regulating mechanism is used for position of the adjustment crystal in straight opening slot before crystal is fixed.
9. laser module according to claim 8, which is characterized in that the regulating mechanism is pushed away including the first push rod, second
Bar, driving lever, connecting rod, the first spring and second spring；
First push rod, the second push rod and driving lever are connect with the connecting rod, and first push rod and the second push rod are flat
Row, first push rod and the second push rod are vertical with connecting rod；The driving lever is vertical with the connecting rod respectively, the driving lever
Between first push rod and the second push rod, and the driving lever is vertical with first push rod and the second push rod respectively；
First push rod and the second push rod stretch into the straight opening slot, and first spring one end is connected to the connecting rod
One end, the other end is connected on the side wall of pumping source holder；Described second spring one end is connected to the another of the connecting rod
End, the other end is connected on the side wall of the pumping source holder, so that first push rod and the second push rod can be along straight openings
Slot length direction moves back and forth；
The driving lever stretches out the pumping source holder, the position for adjusting first push rod and the second push rod.
10. a kind of laser, which is characterized in that including laser module described in any one of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810242642.0A CN108493744B (en) | 2018-03-22 | 2018-03-22 | Laser module and laser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810242642.0A CN108493744B (en) | 2018-03-22 | 2018-03-22 | Laser module and laser |
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| Publication Number | Publication Date |
|---|---|
| CN108493744A true CN108493744A (en) | 2018-09-04 |
| CN108493744B CN108493744B (en) | 2024-07-02 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004027947A1 (en) * | 2002-09-11 | 2004-04-01 | Tui Laser Ag | Multimode solid laser pumped longitudinally by diodes |
| CN2717073Y (en) * | 2004-06-23 | 2005-08-10 | 中国科学院长春光学精密机械与物理研究所 | Semiconductor diode pumped combination crystal type laser structure |
| WO2007013608A1 (en) * | 2005-07-28 | 2007-02-01 | Matsushita Electric Industrial Co., Ltd. | Laser light source and display device |
| CN201270374Y (en) * | 2008-08-08 | 2009-07-08 | 镭射沃激光科技(深圳)有限公司 | Infrared solid laser for semi-conductor optical fiber coupling pump |
| CN103633542A (en) * | 2012-08-21 | 2014-03-12 | 上海三鑫科技发展有限公司 | Frequency doubling laser |
| CN207925887U (en) * | 2018-03-22 | 2018-09-28 | 青岛镭创光电技术有限公司 | Laser module and laser |
-
2018
- 2018-03-22 CN CN201810242642.0A patent/CN108493744B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004027947A1 (en) * | 2002-09-11 | 2004-04-01 | Tui Laser Ag | Multimode solid laser pumped longitudinally by diodes |
| CN2717073Y (en) * | 2004-06-23 | 2005-08-10 | 中国科学院长春光学精密机械与物理研究所 | Semiconductor diode pumped combination crystal type laser structure |
| WO2007013608A1 (en) * | 2005-07-28 | 2007-02-01 | Matsushita Electric Industrial Co., Ltd. | Laser light source and display device |
| CN201270374Y (en) * | 2008-08-08 | 2009-07-08 | 镭射沃激光科技(深圳)有限公司 | Infrared solid laser for semi-conductor optical fiber coupling pump |
| CN103633542A (en) * | 2012-08-21 | 2014-03-12 | 上海三鑫科技发展有限公司 | Frequency doubling laser |
| CN207925887U (en) * | 2018-03-22 | 2018-09-28 | 青岛镭创光电技术有限公司 | Laser module and laser |
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