CN206774872U - Laser and its frequency multiplication module - Google Patents
Laser and its frequency multiplication module Download PDFInfo
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- CN206774872U CN206774872U CN201720204131.0U CN201720204131U CN206774872U CN 206774872 U CN206774872 U CN 206774872U CN 201720204131 U CN201720204131 U CN 201720204131U CN 206774872 U CN206774872 U CN 206774872U
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Abstract
It the utility model is related to a kind of laser and its frequency multiplication module.Frequency multiplication module includes two frequency-doubling crystals, dichronic mirror, the first completely reflecting mirror, frequency tripling crystal, the second completely reflecting mirror and filtering assembly.When first completely reflecting mirror is located at first position, basic frequency laser can be exported directly.When first completely reflecting mirror is located at the second place, basic frequency laser realizes frequency multiplication into two frequency-doubling crystals, obtains two double-frequency lasers.Now, if the second completely reflecting mirror is located at the 3rd position, two double-frequency lasers can then separate through dichronic mirror, so as to realize the output of two double-frequency lasers.Further, the second completely reflecting mirror is moved to the 4th position, the first mixed light beam then enters in frequency tripling crystal.And from the second output end output the second mixed light beam after filtering assembly filters, the output of frequency tripled laser can be obtained.Therefore.In above-mentioned laser and its frequency multiplication module, by the position for adjusting the first completely reflecting mirror and the second completely reflecting mirror, you can carry out the switching between the laser output of three kinds of different frequencies.
Description
Technical field
The technical field of laser is the utility model is related to, more particularly to a kind of laser and its frequency multiplication module.
Background technology
Laser is widely used in cold working field as one of great utility model in modern science technology.Particularly
In nonmetallic and Precision Machining, the application value of laser is especially prominent.Existing laser technology substantially by 808nm or
The semiconductor pumped laser crystals of 880nm or the laser beam that 1064nm is produced using linear polarization generator.
And as the whole world increasingly increases the demand of retrofit so that 532nm green lasers and 355nm Ultra-Violet Lasers
Application field constantly expands.Therefore, it is necessary to frequency conversion be carried out to caused fundamental frequency 1064nm laser beams, to obtain two frequencys multiplication
The 355nm Ultra-Violet Lasers of 532nm green lasers and frequency tripling.At present, green (light) laser on the market is more using solid frequency multiplication
Scheme.Frequency-doubling crystal is set outside the intracavitary of laser or chamber, laser beam is passed through frequency-doubling crystal realize laser by
1064nm to 532nm, 355nm conversion.
However, current laser can only export 532nm, 355nm laser beam after frequency conversion or fundamental frequency respectively
1064nm laser.But some scenes then need the laser of tri- kinds of frequencies of 1064nm, 532nm, 355nm while used.So, just need
Prepare the laser beam ability meet demand that three lasers export different frequency respectively, this will make it that cost raises, and also make
Obtain inconvenient for operation.
Utility model content
Based on this, it is necessary to the problem of can only exporting a kind of frequency laser for existing laser, there is provided one kind can export
The laser and its frequency multiplication module of three kinds of different frequency laser.
A kind of frequency multiplication module, including：
Two frequency-doubling crystals, including the first incidence end and the first exit end, basic frequency laser can enter through first incidence end
Two frequency-doubling crystal, and two double-frequency lasers doubled from the first exit end output frequency and the first of the basic frequency laser
Mixed light beam；
Dichronic mirror, when first mixed light beam is emitted to the dichronic mirror surface, the basic frequency laser occur transmission and
Two double-frequency laser reflects；
The first completely reflecting mirror that activity is set, may be disposed at first position and the second place, the first completely reflecting mirror position
When the first position, the basic frequency laser directly exports, described when first completely reflecting mirror is located at the second place
Basic frequency laser enters two frequency-doubling crystal；
Frequency tripling crystal, including the second incidence end and the second exit end, first mixed light beam can enter through described second
Penetrate end and enter the frequency tripling crystal, and add the frequency tripled lasers of three times and described two times from the second exit end output frequency
Second mixed light beam of frequency laser, the basic frequency laser；
The second completely reflecting mirror that activity is set, may be disposed at the 3rd position and the 4th position, the second completely reflecting mirror position
When three positions, first mixed light beam is emitted to the surface of the dichronic mirror, and second completely reflecting mirror is positioned at described
During four positions, first mixed light beam enters two frequency-doubling crystal；And
Filtering assembly, coupled with second exit end, receive second mixed light beam and be emitted the frequency tripling and swash
Light.
In one of the embodiments, in addition to beam shaping component, the beam shaping component are incident with described first
End is oppositely arranged and coupled, and the basic frequency laser is after beam shaping component output, into two frequency-doubling crystal.
In one of the embodiments, the beam shaping component includes convex lens that are relative and be arrangeding in parallel and recessed
Mirror, and the relative position of the convex lens and the concavees lens is adjustable.
In one of the embodiments, when first completely reflecting mirror is located at the first position, blocks described first and enter
End is penetrated, so that the fundamental frequency light reflects, when first completely reflecting mirror is located at the second place, position described first is kept away and enters
Penetrate end.
In one of the embodiments, in addition to the first output reflector and the second output reflector, described first is all-trans
When penetrating mirror and being located at the first position, it is oppositely arranged with first output reflector, the fundamental frequency light is all-trans through described first
Penetrate mirror and reflex to first output reflector；
Second output reflector is oppositely arranged and relative to the axle of two frequency-doubling crystal with first exit end
Line is tilted, and the dichronic mirror is oppositely arranged with second output reflector, and first mixed light beam is through the described second output
Speculum reflexes to the dichronic mirror；
Wherein, when first completely reflecting mirror is located at the first position, first completely reflecting mirror, first output
Speculum, the dichronic mirror are parallel and second output reflector is parallel to each other.
In one of the embodiments, first completely reflecting mirror, the dichronic mirror, first output reflector and institute
It is in 45 degree of angles that the second output reflector, which is stated, with the axis of two frequency-doubling crystal.
In one of the embodiments, when second completely reflecting mirror is located at four position, it is arranged at the color separation
Between mirror and second output reflector, first mixed light beam is reflected into described three times through second completely reflecting mirror
In frequency crystal.
In one of the embodiments, the surface of second exit end is to incline relative to the axis of the frequency tripling crystal
Oblique inclined-plane, and the filtering assembly is aperture.
In one of the embodiments, the frequency tripling crystal phase tilts preset angle for the axis of two frequency-doubling crystal
Degree, so that diameter parallel of the frequency tripled laser of filtering assembly output relative to two frequency-doubling crystal.
A kind of laser, including：
Housing；
The generating device of laser being installed in the housing, for producing basic frequency laser；And
Frequency multiplication module as any one of above-mentioned preferred embodiment, the frequency multiplication module are installed in the housing simultaneously
It is coupled with the generating device of laser, so that the basic frequency laser enters the frequency multiplication module.
Above-mentioned laser and its frequency multiplication module, when the first completely reflecting mirror is located at first position, basic frequency laser cannot be introduced into
Two frequency-doubling crystals, therefore basic frequency laser can be exported directly.During mobile first completely reflecting mirror to the second place, basic frequency laser enters two times
Frequency crystal realizes frequency multiplication, obtains two double-frequency lasers.And second completely reflecting mirror when being located at three positions, two double-frequency lasers are mixed from first
Closing light Shu Zhongjing dichronic mirrors separate, so as to realize the output of two double-frequency lasers.Further, the second completely reflecting mirror is moved to
Four positions, the first mixed light beam then enter in frequency tripling crystal.And from the second mixed light beam that the second exit end exports through filtering
After component filters, the output of frequency tripled laser can be obtained.Therefore.In above-mentioned laser and its frequency multiplication module, pass through adjustment
The position of first completely reflecting mirror and the second completely reflecting mirror, you can carry out the switching between the laser output of three kinds of different frequencies.
Brief description of the drawings
When Fig. 1 is that the laser in the utility model preferred embodiment exports basic frequency laser, the structural representation of times frequency module
Figure；
When Fig. 2 is that the laser in the utility model preferred embodiment exports two double-frequency lasers, the structure of times frequency module is shown
It is intended to；
When Fig. 3 is that the laser in the utility model preferred embodiment exports frequency tripled laser, the structure of times frequency module is shown
It is intended to.
Embodiment
For the ease of understanding the utility model, the utility model is more fully retouched below with reference to relevant drawings
State.Preferred embodiment of the present utility model is given in accompanying drawing.But the utility model can come in many different forms
Realize, however it is not limited to embodiment described herein.On the contrary, the purpose for providing these embodiments is made to of the present utility model
The understanding of disclosure more thorough and comprehensive.
It should be noted that when element is referred to as " being fixed on " another element, it can be directly on another element
Or there may also be element placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ",
" right side " and similar statement are for illustrative purposes only.
Unless otherwise defined, all of technologies and scientific terms used here by the article is led with belonging to technology of the present utility model
The implication that the technical staff in domain is generally understood that is identical.It is simply in term used in the description of the present utility model herein
The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term as used herein " and/or " include
The arbitrary and all combination of one or more related Listed Items.
Fig. 1, Fig. 2 and Fig. 3 are referred to, the laser in the utility model preferred embodiment includes housing (not shown), swashed
Light generating apparatus (not shown) and frequency multiplication module 100.
Housing has internal cavity structures, for housing generating device of laser and frequency multiplication module 100.Housing is additionally provided with laser
Output channel, the laser for required frequency export.
Generating device of laser is installed in housing, for producing basic frequency laser.Specifically in the present embodiment, basic frequency laser is
1064nm laser.Wherein, generating device of laser can be solid laser generator, optical-fiber laser generator or other kinds of
Any one in linearly polarized laser generator.Frequency multiplication module 100 is installed in housing and is coupled with generating device of laser, with
Basic frequency laser caused by generating device of laser is set to enter frequency multiplication module 100.Wherein, frequency multiplication module 100 includes two frequency-doubling crystals
110th, dichronic mirror 120, the first completely reflecting mirror 130, frequency tripling crystal 140, the second completely reflecting mirror 150 and filtering assembly 160.Frequency multiplication
The each several part of module 100 can be directly mounted on housing, be also mountable in support (not shown), then be installed on shell by support
Body.
Two frequency-doubling crystals 110 include the first incidence end and the first exit end.Wherein, the first incidence end and the first exit end point
Not Wei Yu the axis of two frequency-doubling crystal 110 both ends.Two frequency-doubling crystals 110 can be the frequency-doubling crystals such as KTP, KDP, LBO and BBO.
Axis of the former incident basic frequency laser along two frequency-doubling crystals 110 is incident.It is brilliant that basic frequency laser can enter two frequencys multiplication through the first incidence end
Body 110, and the doubling frequency in two frequency-doubling crystals 110, can obtain double-frequency laser.Specifically in the present embodiment, double-frequency laser
For 532nm green lasers.But because two frequency-doubling crystals 110 can not realize conversion very to basic frequency laser.Therefore, from
The output of first exit end is two double-frequency lasers of doubling frequency and the first mixed light beam of basic frequency laser.
Dichronic mirror 120, which has, plays anti-reflection effect to basic frequency laser, and the characteristic for being totally reflected two double-frequency lasers.From
First mixed light beam of the first exit end outgoing can be emitted to the surface of dichronic mirror 120.Wherein, dichronic mirror 120 can be directly with two
First exit end of frequency-doubling crystal 110 is oppositely arranged, and also can realize optocoupler by other reflecting optics and two frequency-doubling crystals 110
Close.When first mixed light beam is emitted to dichronic mirror 120, the wherein fractional transmission of basic frequency laser to the back side of dichronic mirror 120, and two
Double-frequency laser part is then reflected.Therefore, the basic frequency laser in the first mixed light beam is realized with two double-frequency lasers and separated, and then
Obtain two pure double-frequency lasers.Further, two double-frequency lasers are reflected into the laser output channel in housing,
Laser is set to realize the output of two double-frequency lasers.
First completely reflecting mirror 130 have make the characteristic that basic frequency laser is totally reflected.The activity of first completely reflecting mirror 130 is set
Put, the first completely reflecting mirror 130 may be disposed at first position and the second place.Specifically in the present embodiment, the first completely reflecting mirror 130
By sliding and/or rotating, switched between the first location and the second location with realizing.Further, the first total reflection
Mirror 130 is driven by motor.When needing to adjust the position of the first completely reflecting mirror 130, then electric motor starting, to drive the first total reflection
Mirror 130 is rotated or slided in housing.
When first completely reflecting mirror 130 is located at first position, basic frequency laser directly exports.Specifically in the present embodiment, first
When completely reflecting mirror 130 is located at first position, the first incidence end is blocked, so that basic frequency laser reflects.Therefore, former incident base
Frequency laser can not enter two frequency-doubling crystals 110.Laser of the basic frequency laser into housing under the reflection of the first completely reflecting mirror 130 is defeated
Go out in passage, just realize the output of basic frequency laser.And the first completely reflecting mirror 130 is when being located at the second place, basic frequency laser enters two
Frequency-doubling crystal 110.Specifically in the present embodiment, when the first completely reflecting mirror 130 is located at the second place, the incidence end of position first is kept away, with
Make the basic frequency laser of former incidence can enter in two frequency-doubling crystals 110.
Therefore, equivalent to one switch of the first completely reflecting mirror 130, can control whether basic frequency laser enters two frequencys multiplication by it
In crystal 110, or directly export.
Frequency tripling crystal 140 includes the second incidence end and the second exit end.Wherein, the second incidence end and the second exit end point
Not Wei Yu the axis of frequency tripling crystal 140 both ends.Frequency tripling crystal 140 can be the frequency-doubling crystals such as LBO or BBO.First mixing
Light beam can enter frequency tripling crystal 140 through the second incidence end.Wherein, the basic frequency laser and two double-frequency lasers in the first mixed light beam
Carry out and frequently, frequency tripled laser can be produced.Specifically in the present embodiment, frequency tripled laser is 355nm Ultra-Violet Lasers.Moreover,
Absolutely converted because frequency tripling crystal 140 can not be realized to basic frequency laser and two double-frequency lasers.Therefore, from second
Exit end output frequency adds the frequency tripled laser and two double-frequency lasers, the second mixed light beam of basic frequency laser of three times.
Second completely reflecting mirror 150 has the characteristic for making the anti-raw total reflection of basic frequency laser and two double-frequency lasers, therefore first mixes
On the surface of the second completely reflecting mirror 150 full transmitting can occur for light beam.The activity of second completely reflecting mirror 150 is set, and may be disposed at the 3rd
Put and the 4th position.Moreover, the mounting means of the second completely reflecting mirror 150 can be identical with the first completely reflecting mirror 130.
When second completely reflecting mirror 150 is located at three positions, the first mixed light beam is emitted to the surface of dichronic mirror 120.Specifically
, blocked positioned at light path formation of the 3rd the second completely reflecting mirror of position 150 not to the first mixed light beam, therefore the first mixed light can be made
Shu Shunli is transmitted to the surface of dichronic mirror 120.Now, the output of laser is two double-frequency lasers.Second completely reflecting mirror 150 is located at
During four positions, the first mixed light beam enters two frequency-doubling crystals 140.Therefore, equivalent to one switch of the second completely reflecting mirror 150,
Can control the first mixed light beam by it is to enter frequency tripling crystal 140, is still emitted to spectroscope 120.
Filtering assembly 160 couples with the second exit end, receives the second mixed light beam and is emitted frequency tripled laser.First mixing
Light beam exports the second mixed light beam after the second completely reflecting mirror 150 is reflected into frequency tripling crystal 140, from the second exit end.By
Include the laser of three kinds of frequencies in the second mixed light beam, industrial requirement can not be met.Therefore, it is necessary to which filtering assembly 160 will
Basic frequency laser and two double-frequency lasers filter out, and just can obtain pure frequency tripled laser.It is filtrated to get by filtering assembly 160 pure
Net frequency tripled laser enters in laser output channel, and laser can be made to realize that frequency tripled laser exports.
In the present embodiment, the surface of the second exit end is the inclined inclined-plane of axis relative to frequency tripling crystal 140, and
Filtering assembly 160 is aperture.
Specifically, the second exit end is processed using polishing Brewster angle mode.It is in by frequency tripling crystal 140
After second exit end on inclined-plane, because the refractive index of basic frequency laser, two double-frequency lasers and frequency tripled laser is different, so that second
Basic frequency laser, two double-frequency lasers and frequency tripled laser in mixed light beam are separated into single three beams of laser.Further, then pass through
Small holes diaphragm is in the light filtering, obtains pure frequency tripled laser.
The separation by laser of different frequency is typically realized in conventional laser using the optical splitter (such as dichronic mirror) of plated film.But
It is that, on the one hand because frequency tripled laser (such as 355nm) photon energy is very strong, the plated film of optical splitter is difficult to meet demand, so that
The optical splitter life-span is universal shorter, influence the effect of later stage light splitting.On the other hand, the anti-reflection film of optical splitter can also cause energy to damage
Lose.Only coordinated in the present embodiment by the second exit end of given shape with aperture and realize light splitting, not using optical splitter
The isolated final frequency tripled laser of part.Ensure that the energy of the frequency tripled laser of output does not lose first.Simultaneously as need not
Plated film, so as to improve reliability and stability.
Frequency multiplication module 100 includes three light paths, respectively the first light path, the second light path and the 3rd light path altogether.Laser beam
Transmitted along different light paths, finally give the laser output of different frequency.Wherein, the first light path includes the first completely reflecting mirror 130；The
Two light paths include two frequency-doubling crystals 110, dichronic mirror 120 successively；3rd light path is all-trans including two frequency-doubling crystals 110, second successively
Penetrate mirror 150, frequency tripling crystal 140 and filtering assembly 160.
As shown in figure 1, when the first completely reflecting mirror 130 is located at first position, no matter the second completely reflecting mirror 150 is located at anything
Position, laser beam export basic frequency laser along the first optic path, laser.
As shown in Fig. 2 the first completely reflecting mirror 130 is located at the second place and when the second completely reflecting mirror 150 is located at three positions,
Laser beam exports two frequency multiplication frequency lasers along the second optic path, laser；
As shown in figure 3, the first completely reflecting mirror 130 is located at the second place and when the second completely reflecting mirror 150 is located at four positions,
Laser beam exports frequency tripling frequency laser along the 3rd optic path, laser.
Therefore, the first completely reflecting mirror 130 and the second completely reflecting mirror 150 need to be only adjusted to correspondence position, can made above-mentioned
The output of laser switches between basic frequency laser, two double-frequency lasers and frequency tripled laser, so as to realize three kinds of different frequencies
The laser output of rate.
In the present embodiment, frequency multiplication module 100 also includes beam shaping component 170.Beam shaping component 170 and first
Incidence end is oppositely arranged and coupled, and basic frequency laser is after the output of beam shaping component 170, into two frequency-doubling crystals 110.
Specifically, basic frequency laser caused by generating device of laser is introduced into beam shaping component 170, pass through beam shaping
Component 170 transmits to two frequency-doubling crystals 110 again after being adjusted to the hot spot of basic frequency laser, so as to lift two frequency-doubling crystals 110
To the transformation efficiency of basic frequency laser.First light path, the second light path and the 3rd light path include beam shaping component 170.
Further, in the present embodiment, beam shaping component 170 include convex lens 171 that are relative and be arrangeding in parallel and
Concavees lens 173, and the relative position of convex lens 171 and concavees lens 173 is adjustable.
By carrying out shrink beam to the light beam of basic frequency laser, expanding or focus on, the adjustment to light spot shape can be achieved.And root
According to the difference of generating device of laser type, the launching spot of basic frequency laser can be caused to have differences.Therefore, it is necessary to different shapings
Scheme is to adapt to different types of generating device of laser.Specifically, convex lens 171 can play to light beam respectively with concavees lens 173
Convergence and the effect of diverging.And by adjusting relative position between the two, it can be adjusted for different launching spots,
So as to which different types of launching spot to be shaped to required shape.
In the present embodiment, frequency multiplication module 100 also includes the first output reflector 180 and the second output reflector 190.The
When one completely reflecting mirror 130 is located at first position, it is oppositely arranged with the first output reflector 180.Fundamental frequency light is through the first completely reflecting mirror
After 130 reflections, transmit to the first output reflector 180.
The element of first output reflector 180 and the second output reflector 190 respectively as the first light path and the second light path.
Second output reflector 190 and the first exit end are oppositely arranged and tilted relative to the axis of two frequency-doubling crystals 110,
Dichronic mirror 120 is oppositely arranged with the second output reflector 190, and the first mixed light beam passes after the reflection of the second output reflector 190
Transport to dichronic mirror 120.
First output reflector 180 and the second output reflector 190 can make basic frequency laser and two double-frequency lasers at it respectively
Surface is totally reflected.Therefore, the first output reflector 180 and the second output reflector 190 swash for changing laser fundamental frequency
The outbound course of light and two double-frequency lasers.
The basic frequency laser and two double-frequency lasers reflected from the first completely reflecting mirror 130 and dichronic mirror 120 will be respectively as sharp
The laser output of two kinds of different frequencies of light device.Wherein, when the first completely reflecting mirror 120 is located at first position, the first completely reflecting mirror
130th, the first output reflector 180, dichronic mirror 120 are parallel and the second output reflector 190 is parallel to each other.
Therefore, the light beam of the laser output of two kinds of different frequencies can be made parallel.Further, above two different frequency
Collimated light beam can share laser output channel, so as to make housing compact and be advantageous to reduce the volume of laser.
Further, in the present embodiment, the first completely reflecting mirror 130, dichronic mirror 120, the first output reflector 180 and
Two output reflectors 180 are in 45 degree of angles with the axis of two frequency-doubling crystals 110.
Therefore, the basic frequency laser of output and two double-frequency lasers can all pass through 45 degree twice of reflection, so that laser
The light beam of device final output is parallel (i.e. the diameter parallels of two frequency-doubling crystals) with the light beam of former incident basic frequency laser.Therefore, shell
The structure of body can be designed to it is compacter, with a more step reduce laser volume.
In the present embodiment, when the second completely reflecting mirror 150 is located at four positions, it is arranged at the output of dichronic mirror 120 and second
Between speculum 190, the first mixed light beam is reflected into frequency tripling crystal 140 through the second completely reflecting mirror 150.
Further, in the present embodiment, frequency tripling crystal 140 tilts default relative to the axis of two frequency-doubling crystals 110
Angle, so that diameter parallel of the frequency tripled laser of the output of filtering assembly 160 relative to two frequency-doubling crystals 140.
Due to basic frequency laser and two double-frequency lasers output relative to former incident basic frequency laser light beam parallel (i.e. two
The diameter parallel of frequency-doubling crystal).Therefore, three kinds of different frequencies can be made by adjusting the angle of inclination of frequency tripling crystal 140
The light beam of laser output is parallel to each other, and then can share laser output channel.
Above-mentioned laser and its frequency multiplication module 100, when the first completely reflecting mirror 130 is located at first position, basic frequency laser without
Method enters two frequency-doubling crystals, therefore basic frequency laser can be exported directly.During mobile first completely reflecting mirror 130 to the second place, fundamental frequency swashs
Light realizes frequency multiplication into two frequency-doubling crystals 110, obtains two double-frequency lasers.And second completely reflecting mirror 150 when being located at three positions, two
Double-frequency laser separates from the first mixed light beam through dichronic mirror 120, so as to realize the output of two double-frequency lasers.Further, will
Second completely reflecting mirror 150 is moved to the 4th position, and the first mixed light beam then enters in frequency tripling crystal 140.And it is emitted from second
The second mixed light beam of output is held to obtain the output of frequency tripled laser after the filtering of filtering assembly 160.Therefore, above-mentioned
In laser and its frequency multiplication module 100, it can be entered by the position for adjusting the first completely reflecting mirror 130 and the second completely reflecting mirror 150
Switching between the laser output of three kinds of different frequencies of row.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope that this specification is recorded all is considered to be.
Embodiment described above only expresses several embodiments of the present utility model, and its description is more specific and detailed,
But therefore it can not be interpreted as the limitation to utility model patent scope.It should be pointed out that the common skill for this area
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The scope of protection of the utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (10)
- A kind of 1. frequency multiplication module, it is characterised in that including：Two frequency-doubling crystals, including the first incidence end and the first exit end, basic frequency laser can be through described in first incidence end entrance Two frequency-doubling crystals, and mixed from two double-frequency lasers that the first exit end output frequency doubles with the first of the basic frequency laser Light beam；Dichronic mirror, when first mixed light beam is emitted to the dichronic mirror surface, transmission and described occurs for the basic frequency laser Two double-frequency lasers reflect；The first completely reflecting mirror that activity is set, may be disposed at first position and the second place, first completely reflecting mirror is located at institute When stating first position, the basic frequency laser directly exports, when first completely reflecting mirror is located at the second place, the fundamental frequency Laser enters two frequency-doubling crystal；Frequency tripling crystal, including the second incidence end and the second exit end, first mixed light beam can be through second incidence ends The frequency tripled laser of three times and two frequency multiplication is added to swash into the frequency tripling crystal, and from the second exit end output frequency Second mixed light beam of light, the basic frequency laser；The second completely reflecting mirror that activity is set, may be disposed at the 3rd position and the 4th position, and second completely reflecting mirror is positioned at the During three positions, first mixed light beam is emitted to the surface of the dichronic mirror, and second completely reflecting mirror is located at the described 4th During position, first mixed light beam enters two frequency-doubling crystal；AndFiltering assembly, coupled with second exit end, receive second mixed light beam and be emitted the frequency tripled laser.
- 2. frequency multiplication module according to claim 1, it is characterised in that also including beam shaping component, the beam shaping Component is oppositely arranged and coupled with first incidence end, and the basic frequency laser enters after beam shaping component output Two frequency-doubling crystal.
- 3. frequency multiplication module according to claim 2, it is characterised in that the beam shaping component includes relative and parallel set The convex lens and concavees lens put, and the relative position of the convex lens and the concavees lens is adjustable.
- 4. frequency multiplication module according to claim 1, it is characterised in that first completely reflecting mirror is located at the first position When, first incidence end is blocked, so that the fundamental frequency light reflects, first completely reflecting mirror is located at the second place When, keep away position first incidence end.
- 5. frequency multiplication module according to claim 4, it is characterised in that also anti-including the first output reflector and the second output Mirror is penetrated, when first completely reflecting mirror is located at the first position, is oppositely arranged with first output reflector, the fundamental frequency Light reflexes to first output reflector through first completely reflecting mirror；Second output reflector is oppositely arranged with first exit end and inclined relative to the axis of two frequency-doubling crystal Tiltedly, the dichronic mirror is oppositely arranged with second output reflector, and first mixed light beam is through second output reflection Mirror reflexes to the dichronic mirror；Wherein, when first completely reflecting mirror is located at the first position, first completely reflecting mirror, first output reflection Mirror, the dichronic mirror are parallel and second output reflector is parallel to each other.
- 6. frequency multiplication module according to claim 5, it is characterised in that first completely reflecting mirror, the dichronic mirror, described First output reflector and second output reflector are in 45 degree of angles with the axis of two frequency-doubling crystal.
- 7. frequency multiplication module according to claim 5, it is characterised in that second completely reflecting mirror is located at the 4th position When, it is arranged between the dichronic mirror and second output reflector, first mixed light beam is through the described second total reflection Mirror is reflected into the frequency tripling crystal.
- 8. the frequency multiplication module according to any one of claim 1 to 7, it is characterised in that the surface of second exit end is Relative to the inclined inclined-plane of axis of the frequency tripling crystal, and the filtering assembly is aperture.
- 9. frequency multiplication module according to claim 8, it is characterised in that the frequency tripling crystal phase is brilliant for two frequency multiplication The axis of body tilts predetermined angle, so that axle of the frequency tripled laser of filtering assembly output relative to two frequency-doubling crystal Line is parallel.
- A kind of 10. laser, it is characterised in that including：Housing；The generating device of laser being installed in the housing, for producing basic frequency laser；AndFrequency multiplication module as described in above-mentioned any one of claim 1 to 9, the frequency multiplication module be installed in the housing and with institute State generating device of laser to be coupled, so that the basic frequency laser enters the frequency multiplication module.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106654842A (en) * | 2017-03-03 | 2017-05-10 | 深圳市杰普特光电股份有限公司 | Laser device and frequency multiplication module thereof |
| CN109044526A (en) * | 2018-07-03 | 2018-12-21 | 瑞尔通(苏州)医疗科技有限公司 | A kind of dual laser and laser therapeutic apparantus |
-
2017
- 2017-03-03 CN CN201720204131.0U patent/CN206774872U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106654842A (en) * | 2017-03-03 | 2017-05-10 | 深圳市杰普特光电股份有限公司 | Laser device and frequency multiplication module thereof |
| CN106654842B (en) * | 2017-03-03 | 2024-01-02 | 深圳市杰普特光电股份有限公司 | Laser and frequency doubling module thereof |
| CN109044526A (en) * | 2018-07-03 | 2018-12-21 | 瑞尔通(苏州)医疗科技有限公司 | A kind of dual laser and laser therapeutic apparantus |
| CN109044526B (en) * | 2018-07-03 | 2024-05-07 | 瑞尔通(苏州)医疗科技有限公司 | Dual wavelength laser and laser therapeutic instrument |
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