CN208690716U - A kind of both-end pumping polarized combination intracavity frequency doubling high frequency green laser - Google Patents
A kind of both-end pumping polarized combination intracavity frequency doubling high frequency green laser Download PDFInfo
- Publication number
- CN208690716U CN208690716U CN201821395684.XU CN201821395684U CN208690716U CN 208690716 U CN208690716 U CN 208690716U CN 201821395684 U CN201821395684 U CN 201821395684U CN 208690716 U CN208690716 U CN 208690716U
- Authority
- CN
- China
- Prior art keywords
- laser
- light
- crystal
- semiconductor laser
- pumping source
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Lasers (AREA)
Abstract
The utility model discloses a kind of both-end pumping polarized combination intracavity frequency doubling high frequency green laser, including the first polarization laser gain system, the second polarization laser gain system, polarized combination lens；The polarized combination lens are used to the oscillation light of oscillation light and the excitation of the second polarization laser gain system that the first polarization laser gain system excites synthesizing beam of laser.The utility model synthesizes fundamental frequency light using polarized combination lens, improves the intracavitary oscillation optical power of laser；Frequency multiplication is carried out to intracavitary high power density fundamental frequency light using frequency-doubling crystal, obtain high power green light stablizes output.
Description
Technical field
The utility model relates to field of laser device technology more particularly to a kind of both-end pumping polarized combination intracavity frequency doubling Gao Gong
Rate green (light) laser.
Background technique
Pumped at end face of semiconductor solid state laser is compact-sized, small in size, good beam quality, it is stable, be easily integrated,
Therefore the laser processings rows such as laser marking, laser scribing, accurate resistance trimming, laser cleaning and body laser inner carving are widely used in
Industry.
With the continuous improvement that industrial application requires laser processing effect and processing efficiency, market is to laser output work
Rate, the requirement of launch wavelength are also higher and higher.High power and high beam quality green (light) laser is being printed since wavelength is short, power is high
There is peculiar advantage in circuit boring processed and cutting, copper micro Process and ceramics cutting and processed and applied.Using lbo crystal chamber
The interior infrared fundamental frequency light of frequency multiplication is the major way for obtaining high power green light.Therefore, key is how to realize high power density base
The stable oscillation stationary vibration of frequency light.Since absorption coefficient of the laser crystal to 808nm semiconductor laser is excessive, the very small laser of volume is brilliant
Very big semiconductor laser pumping power also can be absorbed in body.The presence of thermal lensing effect bears single laser crystal
Pumping light power is limited, in order to obtain the fundamental frequency light stable oscillation stationary vibration of high power density, it is necessary to concatenate skill using more laser crystal bars
Art.And the laser crystal bar of the intracavitary concatenation of laser resonance is more, laser resonant cavity length is longer；Laser resonant cavity length is longer,
The spot radius of intracavitary oscillation fundamental frequency light is bigger, and optical power density decreases.Meanwhile laser resonant cavity length is longer, laser
Loss is bigger, is more difficult to maintain the high power operating of fundamental frequency light.So realizing fundamental frequency light under the conditions of short cavity length
High power steady running is the key that obtain high power green light to stablize output.
Utility model content
The purpose of the utility model is to provide a kind of both-end pumping polarized combination intracavity frequency doubling high frequency green lasers, adopt
Fundamental frequency light is synthesized with polarized combination lens, improves the intracavitary oscillation optical power of laser；Using frequency-doubling crystal to chamber
Interior high power density fundamental frequency light carries out frequency multiplication, and obtain high power green light stablizes output.
To achieve the above object, using following technical scheme:
A kind of both-end pumping polarized combination intracavity frequency doubling high frequency green laser, including the first polarization laser gain system
System, the second polarization laser gain system, polarized combination lens；The polarized combination lens are used for the first polarization laser gain system
The oscillation light that the oscillation light excited and the second polarization laser gain system excite of uniting synthesizes beam of laser；First polarization swashs
Gain of light system includes the first exciting bank, the second exciting bank, first laser crystal；First exciting bank is for being emitted
First light focuses on first laser crystal from one end incidence of first laser crystal, and the second exciting bank is for being emitted the second light
Line focuses on first laser crystal from the other end incidence of first laser crystal；The second polarization laser gain system includes the
Three exciting banks, the 4th exciting bank, second laser crystal；The third exciting bank swashs for being emitted third light from second
One end incidence of luminescent crystal focuses on second laser crystal, and the 4th exciting bank is for being emitted the 4th light from second laser crystal
Other end incidence focus on second laser crystal.
Preferably, first exciting bank includes the first semiconductor laser pumping source component, the first semiconductor laser pump
Pu source thermal compensation mirror；The first semiconductor laser pumping source component is for being emitted the first pump light, and the first pump light is through the
First laser crystal is focused on from one end incidence of first laser crystal after the transmission of semiconductor laser pumping source thermal compensation mirror；
Second exciting bank includes the second semiconductor laser pumping source component, the second semiconductor laser pumping source thermal compensation mirror；Institute
State the second semiconductor laser pumping source component for be emitted the second pump light, and the second pump light is through the second semiconductor laser pumping
First laser crystal is focused on from the other end incidence of first laser crystal after the transmission of source thermal compensation mirror；The third excitation dress
It sets including third semiconductor laser pumping source component, third semiconductor laser pumping source thermal compensation mirror；The third semiconductor swashs
Optical pumping source component is for being emitted third pump light, and third pump light is through the saturating of third semiconductor laser pumping source thermal compensation mirror
Second laser crystal is focused on from one end incidence of second laser crystal after penetrating；4th exciting bank includes the 4th semiconductor
Laser pump (ing) source component, the 4th semiconductor laser pumping source thermal compensation mirror；The 4th semiconductor laser pumping source component is used for
It is emitted the 4th pump light, and the 4th pump light is brilliant from second laser after the transmission of the 4th semiconductor laser pumping source thermal compensation mirror
The other end incidence of body focuses on second laser crystal.
Preferably, the oscillation light polarization direction of the first laser crystal excitation is in vertical direction；The second laser is brilliant
The oscillation light polarization direction of body excitation is in horizontal direction；The polarized combination lens are for swashing the first polarization laser gain system
The oscillation light of hair and the oscillation light of the second polarization laser gain system excitation synthesize beam of laser；The polarized combination lens
Optical path direction is in Brewster's angle after normal direction and synthesis, and the first polarization laser gain system is arranged in polarized combination lens
On reflected light path, the second polarization laser gain system is arranged on the transmitted light path of polarized combination lens.
Preferably, the green (light) laser further includes the Q-switch being arranged in the optical path after polarizing photosynthesis, green light output
Mirror；The Q-switch is between green light outgoing mirror and polarized combination lens；The normal and polarization photosynthesis of the green light outgoing mirror
Optical path direction afterwards forms the first angle α.
Preferably, the green (light) laser further includes frequency-doubling crystal, plane mirror；The frequency-doubling crystal is arranged in green light
On the reflected light path of outgoing mirror；The plane mirror is arranged in the side of the separate green light outgoing mirror of frequency-doubling crystal.
Preferably, the green light outgoing mirror use the first planar lens, close to Q-switch one side plating oscillation light high-reflecting film with
And frequency doubled light high transmittance film；The plane mirror uses the second planar lens, high anti-close to frequency-doubling crystal one side plating oscillation light
Film.
Preferably, first semiconductor laser pumping source thermal compensation mirror, the second semiconductor laser pumping source thermal compensation mirror
Using the first plano-convex lens, the convex surface of the two is close to first laser crystal arrangement；Second semiconductor laser pumping source heat
The normal of compensating glass and the oscillation light direction of first laser crystal form the second non-straight angle β.
Preferably, third semiconductor laser pumping source thermal compensation mirror, the 4th semiconductor laser pumping source thermal compensation mirror
Using the first plano-convex lens, the convex surface of the two is close to second laser crystal arrangement；Third semiconductor laser pumping source heat
The normal of compensating glass and the oscillation light direction of second laser crystal form the non-straight angle theta of third.
Preferably, the first semiconductor laser pumping source component, the second semiconductor laser pumping source component, third are partly led
Volumetric laser pumping source component, the 4th semiconductor laser pumping source component include semiconductor laser, collimation lens, focus thoroughly
Mirror；The semiconductor laser output end has optical fiber, and fiber coupling is used to export；The collimation lens is placed in semiconductor and swashs
Between light device, condenser lens, the focal point of collimation lens is arranged in the fiber-optic output of semiconductor laser；The collimation lens
Using the second plano-convex lens, condenser lens uses third plano-convex lens；The convex surface of the collimation lens and corresponding condenser lens
Convex surface it is positioned opposite.
Preferably, the first laser crystal, second laser crystal are all made of Nd:YVO4 crystal, Nd:YAG crystal or Nd:
GaYVO4 crystal.
Using the above scheme, the beneficial effects of the utility model are:
It is synthesized using vertical polarization fundamental frequency light of the polarized combination lens to intracavitary oscillation with horizontal polarization fundamental frequency light, together
When to laser crystal carry out both-end pumping, shorten laser resonant cavity length, improve fundamental frequency light optical power density in resonant cavity.
At the same time, it is compensated using thermal lensing effect of the thermal compensation negative lens to laser crystal, further improves laser
Output power and stability, realize the high efficiency of short wavelength's green (light) laser, the steady running of high-output power.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the oscillation light light path schematic diagram of the utility model；
Wherein, description of drawing identification:
1-the first polarization laser gain system, the 2-the second polarization laser gain system,
3-polarized combination lens, 4-Q-switch,
5-green light outgoing mirrors, 6-frequency-doubling crystals,
7-plane mirrors, the 11-the first exciting bank,
12-the second exciting bank, 13-first laser crystal,
21-third exciting banks, the 22-the four exciting bank,
23-second laser crystal, the 111-the first semiconductor laser pumping source component,
112-the first semiconductor laser pumping source thermal compensation mirror, the 121-the second semiconductor laser pumping source component,
122-the second semiconductor laser pumping source thermal compensation mirror, 211-third semiconductor laser pumping source components,
212-third semiconductor laser pumping source thermal compensation mirrors, the 221-the four semiconductor laser pumping source component,
222-the four semiconductor laser pumping source thermal compensation mirror,
1111/1211/2111/2211-semiconductor laser, 1112/1212/2112/2212-collimation lens,
1113/1213/2113/2213-condenser lens.
Specific embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail.
Shown in 2, it is sharp that the utility model provides a kind of both-end pumping polarized combination intracavity frequency doubling high power green light
Light device, including the first polarization laser gain system 1, the second polarization laser gain system 2, polarized combination lens 3；The polarization closes
It is used at lens 3 by the oscillation light that the first polarization laser gain system 1 excites and the vibration that the second polarization laser gain system 2 excites
It swings photosynthetic as beam of laser；The first polarization laser gain system 1 includes the first exciting bank 11, the second exciting bank
12, first laser crystal 13；First exciting bank 11 enters for being emitted the first light from one end of first laser crystal 13
It penetrates and focuses on first laser crystal 13, the other end that the second exciting bank 12 is used to be emitted the second light from first laser crystal 13
Incidence focuses on first laser crystal 13；The second polarization laser gain system 2 is motivated including third exciting bank the 21, the 4th
Device 22, second laser crystal 23；The third exciting bank 21 is for being emitted third light from the one of second laser crystal 23
End incidence focuses on second laser crystal 23, and the 4th exciting bank 22 is for being emitted the 4th light from the another of second laser crystal 23
One end incidence focuses on second laser crystal 23.
Wherein, first exciting bank 11 includes the first semiconductor laser pumping source component 111, the first semiconductor laser
Pumping source thermal compensation mirror 112；The first semiconductor laser pumping source component 111 is for being emitted the first pump light, and the first pump
Pu light focuses on after the transmission of the first semiconductor laser pumping source thermal compensation mirror 112 from one end incidence of first laser crystal 13
First laser crystal 13；Second exciting bank 12 swashs including the second semiconductor laser pumping source component 121, the second semiconductor
Optical pumping source thermal compensation mirror 122；The second semiconductor laser pumping source component 121 is for being emitted the second pump light, and second
Pump light is poly- from the other end incidence of first laser crystal 13 after the transmission of the second semiconductor laser pumping source thermal compensation mirror 122
Coke arrives first laser crystal 13；The third exciting bank 21 is partly led including third semiconductor laser pumping source component 211, third
Volumetric laser pumping source thermal compensation mirror 212；The third semiconductor laser pumping source component 211 is used to be emitted third pump light, and
Third pump light is incident from one end of second laser crystal 23 after the transmission of third semiconductor laser pumping source thermal compensation mirror 212
Focus on second laser crystal 23；4th exciting bank 22 includes the 4th semiconductor laser pumping source component the 221, the 4th half
Conductor Laser pumping source thermal compensation mirror 222；The 4th semiconductor laser pumping source component 221 is used to be emitted the 4th pump light,
And the 4th pump light after the transmission of the 4th semiconductor laser pumping source thermal compensation mirror 222 from the other end of second laser crystal 23
Incidence focuses on second laser crystal 23.
The oscillation light polarization direction that the first laser crystal 13 excites is in vertical direction；The second laser crystal 23 swashs
The oscillation light polarization direction of hair is in horizontal direction；The polarized combination lens 3 are for exciting the first polarization laser gain system 1
Oscillation light and the second polarization laser gain system 2 excitation oscillation light synthesize beam of laser；The polarized combination lens 3
Optical path direction is in Brewster's angle after normal direction and synthesis, and the first polarization laser gain system 1 is arranged in polarized combination lens 3
Reflected light path on, the second polarization laser gain system 2 is arranged on the transmitted light path of polarized combination lens 3.
The green (light) laser further includes Q-switch 4, green light outgoing mirror 5 in the optical path after being arranged in polarization photosynthesis；Institute
Q-switch 4 is stated between green light outgoing mirror 5 and polarized combination lens 3；The normal and polarization photosynthesis of the green light outgoing mirror 5
Optical path direction afterwards forms the first angle α (as shown in fig. 1).The green (light) laser further includes frequency-doubling crystal 6, plane reflection
Mirror 7；The frequency-doubling crystal 6 is arranged on the reflected light path of green light outgoing mirror 7；The plane mirror 7 is arranged in frequency-doubling crystal 6
Separate green light outgoing mirror 5 side.The green light outgoing mirror 5 uses the first planar lens, plates vibration on one side close to Q-switch 4
Swing light high-reflecting film and frequency doubled light high transmittance film；The plane mirror 7 uses the second planar lens, close to frequency-doubling crystal 6 one
Plate oscillation light high-reflecting film in face.
First semiconductor laser pumping source thermal compensation mirror 112, the second semiconductor laser pumping source thermal compensation mirror 122 are adopted
With the first plano-convex lens, the convex surface of the two is close to the arrangement of first laser crystal 13；Second semiconductor laser pumping source heat
The normal of compensating glass 122 and the oscillation light direction of first laser crystal 13 form the second non-straight angle β (as shown in fig. 1).Institute
State third semiconductor laser pumping source thermal compensation mirror 212, the 4th semiconductor laser pumping source thermal compensation mirror 222 uses the first plano-convex
Lens, the convex surface of the two are close to the arrangement of second laser crystal 23；Third semiconductor laser pumping source thermal compensation mirror 212
The oscillation light direction of normal and second laser crystal 23 forms the non-straight angle theta of third (as shown in fig. 1).
The first semiconductor laser pumping source component 111, the second semiconductor laser pumping source component 121, third are partly led
It includes semiconductor laser 1111/1211/ that volumetric laser, which pumps source component 211, the 4th semiconductor laser pumping source component 221,
2111/2211, collimation lens 1112/1212/2112/2212, condenser lens 1113/1213/2113/2213；The semiconductor
1111/1211/2111/2211 output end of laser has optical fiber, and fiber coupling is used to export；The collimation lens 1112/
1212/2112/2212 is placed in semiconductor laser 1111/1211/2111/2211, condenser lens 1113/1213/2113/2213
Between, the fiber-optic output of semiconductor laser 1111/1211/2111/2211 is arranged in collimation lens 1112/1212/2112/
2212 focal point；The collimation lens 1112/1212/2112/2212 uses the second plano-convex lens, condenser lens 1113/
1213/2113/2213 uses third plano-convex lens；The convex surface of the collimation lens 1112/1212/2112/2212 with it is corresponding
The convex surface of condenser lens 1113/1213/2113/2213 is positioned opposite.The first laser crystal 13, second laser crystal 23 are equal
Using Nd:YVO4 crystal, Nd:YAG crystal or Nd:GaYVO4 crystal.
Utility model works principle:
Oscillation light optical path is as shown in phantom in Figure 2 in the utility model, the oscillation light polarization that first laser crystal 13 excites
Direction is in vertical direction, and the first polarization laser gain system 1 is vertical polarization laser gain system；Second laser crystal 23 excites
Oscillation light polarization direction in horizontal direction, the second polarization laser gain system 2 be horizontal polarization laser gain system.
3 single side of polarized combination lens plates fundamental frequency light (oscillation light) polarizing coating, when horizontal polarization fundamental frequency light is with Brewster's angle
When being incident on polarized combination 3 coated surface of lens, 99% or more horizontal polarization fundamental frequency light can be by the polarized combination lens 3 thoroughly
It penetrates；When the fundamental frequency light polarized vertically with brewster angle incidence to polarized combination 3 coated surface of lens when, 97% or more it is vertical partially
Vibration fundamental frequency light can be reflected by polarized combination lens 3.It is respectively arranged on the reflected light path and transmitted light path of polarized combination lens 3 perpendicular
Straight polarization laser gain system 1 and horizontal polarization laser gain system 2.
In order to improve the intracavitary laser power density of laser resonance, vertical polarization laser gain system 1 swashs with horizontal polarization
Gain of light system 2 has been all made of both-end pumping mode.In vertical polarization laser gain system 1, the first semiconductor laser pumping
Source thermal compensation mirror 112 and the second semiconductor laser pumping source thermal compensation mirror 122 use the first plano-convex lens, and the convex surface of the two is leaned on
Nearly first laser crystal 13 is arranged, is respectively used to inhibit the first semiconductor laser pumping source component 111 and the second semiconductor laser
Pumping source component 121 focuses on the thermal lensing effect generated on first laser crystal 13.In order to realize 13 pairs, first laser crystal
End-pumping target, the oscillation light side of the second semiconductor laser pumping source thermal compensation mirror 122 normal direction and first laser crystal 13
To the second non-straight angle β (angle is not right angle) is formed, the first semiconductor laser pumping source component 111, the second semiconductor swash
The pump light that optical pumping source component 121 issues swashs through the first semiconductor laser pumping source thermal compensation mirror 112, the second semiconductor respectively
First laser crystal 13 is focused on from the both ends of first laser crystal 13 after the transmission of optical pumping source thermal compensation mirror 122.Horizontal polarization
Laser gain system 2 is similar with vertical polarization laser gain system 1, in horizontal polarization laser gain system 2, third semiconductor
The normal of laser pumping source thermal compensation mirror 212 and the oscillation light direction of second laser crystal 23 form the non-straight angle theta of third (folder
Angle is not right angle), to realize 23 both-end pumping target of second laser crystal.
Q-switch 4 (for acousto-optic Q-switching or electro-optical Q-switch) and green light outgoing mirror 5 are successively set on the light after polarization photosynthesis
On the road, in order to enable fundamental frequency light (oscillation light) passes twice through frequency-doubling crystal 6, improves shg efficiency, 5 normal direction of green light outgoing mirror
Form the first angle α with optical path direction after polarization photosynthesis (the first angle is right angle or acute angle).Frequency-doubling crystal 6 (lbo crystal)
It is arranged on the reflected light path of green light outgoing mirror 5, closely frequency-doubling crystal 6 is arranged in the separate green of frequency-doubling crystal 6 to plane mirror 7
The side of light output mirror 5.
In the present embodiment, the first semiconductor laser pumping source component 111, the second semiconductor laser pumping source component 121,
Three semiconductor laser pumping source components 211, the 4th semiconductor laser pumping source component 221 include semiconductor laser 1111/
1211/2111/2211, collimation lens 1112/1212/2112/2212, condenser lens 1113/1213/2113/2213, semiconductor
The launch wavelength of laser 1111/1211/2111/2211 is 875nm~885nm, semiconductor laser 1111/1211/2111/
2211 output ends have optical fiber, and fiber coupling is used to export；Collimation lens 1112/1212/2112/2212 and fiber-optic output
Adjacent, fiber-optic output is arranged in 1112/1212/2112/2212 focal point of collimation lens；Collimation lens 1112/1212/
2112/2212 convex surface and condenser lens 1113/1213/2113/2213, convex surface is oppositely arranged.
Green light outgoing mirror 5 uses the first planar lens, with Q-switch 4 with respect to plane plating fundamental frequency light high-reflecting film and frequency multiplication
Light high transmittance film, fundamental frequency light reflectivity are greater than 99.9%, and frequency multiplication light transmission rate is greater than 95%.Plane mirror 7 uses the second plane
Lens plate fundamental frequency light high-reflecting film with respect to plane with frequency-doubling crystal 6, and reflectivity is greater than 99.9%.
The above is only the preferred embodiments of the present utility model only, is not intended to limit the utility model, all practical at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the guarantor of the utility model within novel spirit and principle
Within the scope of shield.
Claims (10)
1. a kind of both-end pumping polarized combination intracavity frequency doubling high frequency green laser, which is characterized in that swash including the first polarization
Gain of light system, the second polarization laser gain system, polarized combination lens；The polarized combination lens are used to swash the first polarization
The oscillation light of gain of light system excitation and the oscillation light of the second polarization laser gain system excitation synthesize beam of laser；Described
One polarization laser gain system includes the first exciting bank, the second exciting bank, first laser crystal；First exciting bank
First laser crystal is focused on from one end incidence of first laser crystal for being emitted the first light, the second exciting bank is for going out
It penetrates the second light and focuses on first laser crystal from the other end incidence of first laser crystal；The second polarization laser gain system
System includes third exciting bank, the 4th exciting bank, second laser crystal；The third exciting bank is for being emitted third light
Second laser crystal is focused on from one end incidence of second laser crystal, the 4th exciting bank is for being emitted the 4th light from second
The other end incidence of laser crystal focuses on second laser crystal.
2. both-end pumping polarized combination intracavity frequency doubling high frequency green laser according to claim 1, which is characterized in that
First exciting bank includes the first semiconductor laser pumping source component, the first semiconductor laser pumping source thermal compensation mirror；Institute
State the first semiconductor laser pumping source component for be emitted the first pump light, and the first pump light is through the first semiconductor laser pumping
First laser crystal is focused on from one end incidence of first laser crystal after the transmission of source thermal compensation mirror；Second exciting bank
Including the second semiconductor laser pumping source component, the second semiconductor laser pumping source thermal compensation mirror；Second semiconductor laser
Source component is pumped for being emitted the second pump light, and transmission of second pump light through the second semiconductor laser pumping source thermal compensation mirror
First laser crystal is focused on from the other end incidence of first laser crystal afterwards；The third exciting bank includes third semiconductor
Laser pump (ing) source component, third semiconductor laser pumping source thermal compensation mirror；The third semiconductor laser pumping source component is used for
It is emitted third pump light, and third pump light is brilliant from second laser after the transmission of third semiconductor laser pumping source thermal compensation mirror
One end incidence of body focuses on second laser crystal；4th exciting bank include the 4th semiconductor laser pumping source component,
4th semiconductor laser pumping source thermal compensation mirror；The 4th semiconductor laser pumping source component is used to be emitted the 4th pump light,
And the 4th pump light it is incident from the other end of second laser crystal after the transmission of the 4th semiconductor laser pumping source thermal compensation mirror
Focus on second laser crystal.
3. both-end pumping polarized combination intracavity frequency doubling high frequency green laser according to claim 2, which is characterized in that
The oscillation light polarization direction of the first laser crystal excitation is in vertical direction；The oscillation light of the second laser crystal excitation is inclined
Direction shake in horizontal direction；The polarized combination lens are used for the oscillation light and second for exciting the first polarization laser gain system
The oscillation light of polarization laser gain system excitation synthesizes beam of laser；After the normal direction and synthesis of the polarized combination lens
Optical path direction is in Brewster's angle, and the first polarization laser gain system is arranged on the reflected light path of polarized combination lens, and second
Polarization laser gain system is arranged on the transmitted light path of polarized combination lens.
4. both-end pumping polarized combination intracavity frequency doubling high frequency green laser according to claim 1, which is characterized in that
The green (light) laser further includes Q-switch, green light outgoing mirror in the optical path after being arranged in polarization photosynthesis；The Q-switch position
Between green light outgoing mirror and polarized combination lens；The normal of the green light outgoing mirror and the optical path direction shape after polarization photosynthesis
At the first angle α.
5. both-end pumping polarized combination intracavity frequency doubling high frequency green laser according to claim 4, which is characterized in that
The green (light) laser further includes frequency-doubling crystal, plane mirror；The frequency-doubling crystal is arranged in the reflected light of green light outgoing mirror
On the road；The plane mirror is arranged in the side of the separate green light outgoing mirror of frequency-doubling crystal.
6. both-end pumping polarized combination intracavity frequency doubling high frequency green laser according to claim 5, which is characterized in that
The green light outgoing mirror uses the first planar lens, close to Q-switch one side plating oscillation light high-reflecting film and frequency doubled light high transmittance film；
The plane mirror uses the second planar lens, close to frequency-doubling crystal one side plating oscillation light high-reflecting film.
7. both-end pumping polarized combination intracavity frequency doubling high frequency green laser according to claim 2, which is characterized in that
First semiconductor laser pumping source thermal compensation mirror, the second semiconductor laser pumping source thermal compensation mirror are saturating using the first plano-convex
Mirror, the convex surface of the two are close to first laser crystal arrangement；The normal of second semiconductor laser pumping source thermal compensation mirror with
The oscillation light direction of first laser crystal forms the second non-straight angle β.
8. both-end pumping polarized combination intracavity frequency doubling high frequency green laser according to claim 2, which is characterized in that
Third semiconductor laser pumping source thermal compensation mirror, the 4th semiconductor laser pumping source thermal compensation mirror are saturating using the first plano-convex
Mirror, the convex surface of the two are close to second laser crystal arrangement；The normal of third semiconductor laser pumping source thermal compensation mirror with
The oscillation light direction of second laser crystal forms the non-straight angle theta of third.
9. both-end pumping polarized combination intracavity frequency doubling high frequency green laser according to claim 2, which is characterized in that
The first semiconductor laser pumping source component, the second semiconductor laser pumping source component, third semiconductor laser pumping source group
Part, the 4th semiconductor laser pumping source component include semiconductor laser, collimating lens, focusing lens；The semiconductor swashs
Light device output end has optical fiber, and fiber coupling is used to export；The collimation lens be placed in semiconductor laser, condenser lens it
Between, the focal point of collimation lens is arranged in the fiber-optic output of semiconductor laser；The collimation lens is saturating using the second plano-convex
Mirror, condenser lens use third plano-convex lens；The convex surface of the collimation lens and the convex surface of corresponding condenser lens are positioned opposite.
10. both-end pumping polarized combination intracavity frequency doubling high frequency green laser according to claim 1, feature exist
In the first laser crystal, second laser crystal are all made of Nd:YVO4 crystal, Nd:YAG crystal or Nd:GaYVO4 crystal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821395684.XU CN208690716U (en) | 2018-08-28 | 2018-08-28 | A kind of both-end pumping polarized combination intracavity frequency doubling high frequency green laser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821395684.XU CN208690716U (en) | 2018-08-28 | 2018-08-28 | A kind of both-end pumping polarized combination intracavity frequency doubling high frequency green laser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208690716U true CN208690716U (en) | 2019-04-02 |
Family
ID=65887188
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821395684.XU Active CN208690716U (en) | 2018-08-28 | 2018-08-28 | A kind of both-end pumping polarized combination intracavity frequency doubling high frequency green laser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208690716U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108711731A (en) * | 2018-08-28 | 2018-10-26 | 深圳市格镭激光科技有限公司 | A kind of both-end pumping polarized combination intracavity frequency doubling high frequency green laser |
| CN111308699A (en) * | 2020-03-11 | 2020-06-19 | 南京理工大学 | Method for designing parameters of lens in optical gate for high-power optical fiber laser |
-
2018
- 2018-08-28 CN CN201821395684.XU patent/CN208690716U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108711731A (en) * | 2018-08-28 | 2018-10-26 | 深圳市格镭激光科技有限公司 | A kind of both-end pumping polarized combination intracavity frequency doubling high frequency green laser |
| CN111308699A (en) * | 2020-03-11 | 2020-06-19 | 南京理工大学 | Method for designing parameters of lens in optical gate for high-power optical fiber laser |
| CN111308699B (en) * | 2020-03-11 | 2021-08-03 | 南京理工大学 | Method for designing parameters of lens in optical gate for high-power optical fiber laser |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP4984104B2 (en) | Passive mode-locked picosecond laser | |
| CN108365515A (en) | A kind of single-ended pumped high-power burst pulse basic mode laser and its working method | |
| CN102005694B (en) | Single-end pumped intra-cavity frequency doubled ultraviolet solid laser | |
| CN208690716U (en) | A kind of both-end pumping polarized combination intracavity frequency doubling high frequency green laser | |
| CN104659643A (en) | 0.9-mu m laser device for double-end polarization pump | |
| CN102088158B (en) | Method and device for obtaining high-power ultraviolet laser light | |
| CN105846300A (en) | GaN blue-light laser diode pumped all-solid-state tunable laser | |
| JP2002141588A (en) | Solid state laser device and solid state laser system | |
| CN113572001B (en) | Single-ended pumping Q-switched laser based on doping concentration gradient crystal | |
| CN104269728A (en) | Semiconductor laser of solid-state ultraviolet laser | |
| US20050276300A1 (en) | Laser device using two laser media | |
| US6512630B1 (en) | Miniature laser/amplifier system | |
| CN208623094U (en) | It is a kind of to can be used for the multiple of ultraviolet laser and expand resonant cavity | |
| CN102280810A (en) | Frequency-doubling laser with wide temperature working range | |
| CN106532422A (en) | Six-wavelength output passively Q-switched c-cut Nd:YVO4 self-Raman all-solid-state laser | |
| CN108767633A (en) | It is a kind of to can be used for the multiple of ultraviolet laser and expand resonant cavity | |
| CN107946891B (en) | A kind of high-power ultraviolet solid-state laser | |
| CN108711731A (en) | A kind of both-end pumping polarized combination intracavity frequency doubling high frequency green laser | |
| CN106025777B (en) | A kind of laser light path system of semiconductor pumped laser cleaning machine | |
| CN113872030A (en) | 266nm pulse solid laser | |
| JP7012311B2 (en) | Ultraviolet laser device | |
| CN111725698A (en) | All-solid-state Raman frequency-doubling deep red laser and laser generation method | |
| CN209418973U (en) | A kind of laser | |
| CN108512025B (en) | Passive Q-switched Yb CaYAlO4All-solid-state pulse laser | |
| CN102522691A (en) | Neodymium-doped continuous ultraviolet laser adopting linear cavity |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |