CN107749560A - Single pump both-end pumping ultraviolet laser - Google Patents
Single pump both-end pumping ultraviolet laser Download PDFInfo
- Publication number
- CN107749560A CN107749560A CN201711194383.0A CN201711194383A CN107749560A CN 107749560 A CN107749560 A CN 107749560A CN 201711194383 A CN201711194383 A CN 201711194383A CN 107749560 A CN107749560 A CN 107749560A
- Authority
- CN
- China
- Prior art keywords
- mirror
- crystal
- light
- semi
- lens
- 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.)
- Pending
Links
Classifications
-
- 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
- H01S3/094038—End pumping
-
- 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
- H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
- H01S3/106—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating by controlling devices placed within the cavity
- H01S3/108—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating by controlling devices placed within the cavity using non-linear optical devices, e.g. exhibiting Brillouin or Raman scattering
- H01S3/109—Frequency multiplication, e.g. harmonic generation
-
- 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
- H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
- H01S3/11—Mode locking; Q-switching; Other giant-pulse techniques, e.g. cavity dumping
- H01S3/1123—Q-switching
- H01S3/115—Q-switching using intracavity electro-optic devices
-
- 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
- H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
- H01S3/11—Mode locking; Q-switching; Other giant-pulse techniques, e.g. cavity dumping
- H01S3/1123—Q-switching
- H01S3/117—Q-switching using intracavity acousto-optic devices
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Optics & Photonics (AREA)
- Nonlinear Science (AREA)
- Lasers (AREA)
Abstract
A kind of single pump both-end pumping ultraviolet laser, single pump both-end pumping ultraviolet laser include pumping source, collimation lens, semi-transparent semi-reflecting lens, the first total reflective mirror, the first condenser lens, the second total reflective mirror, the 3rd total reflective mirror, the second condenser lens, laser crystal, the first end mirror, the second end mirror, turning mirror, the first tail end mirror, the second tail end mirror, adjusting Q crystal, two frequency-doubling crystals, frequency tripling crystal and light barrier；First end mirror, the second end mirror, turning mirror, the first tail end mirror and the second tail end mirror form resonator；Turning mirror is oppositely arranged with the first end mirror；Two frequency-doubling crystals, frequency tripling crystal are located between turning mirror and the first tail end mirror；Adjusting Q crystal is between the second end mirror and the second tail end mirror.Single pump both-end pumping ultraviolet laser of the present invention is made under conditions of gross output requirement is constant by injecting pump light from the both ends of laser crystal, laser crystal it is single-ended because of absorptive pumping light and caused by heat decline, be advantageous to the high power operation of laser.
Description
Technical field
The present invention relates to laser technology, more particularly to a kind of single pump both-end pumping ultraviolet laser.
Background technology
Laser is one of invention of great significance in modern science technology, wherein, 355nm Ultra-Violet Lasers are led applied to cold working
Domain, the application value in nonmetallic and Precision Machining are especially prominent.As the whole world increasingly increases the demand of retrofit,
So that the application field of ultraviolet laser constantly expands.Existing 355nm ultraviolet lasers often use the work of single end face pump
Mode, but single end face pump can tightly meet the application demand of low-power, under the application of high average output power, single-ended face-pumping
Pu often makes the laser crystal in laser be ftractureed because of uneven heating after absorptive pumping light, cause 355nm ultraviolet lasers without
Method stable operation under high-output power.
The content of the invention
Based on this, the present invention provides one kind and uses single pump both-end pumping, can meet that the output of high power 355nm Ultra-Violet Lasers will
The single pump both-end pumping ultraviolet laser asked.
In order to realize the purpose of the present invention, the present invention uses following technical scheme：
A kind of single pump both-end pumping ultraviolet laser, including pumping source, collimation lens, semi-transparent semi-reflecting lens, the first total reflective mirror,
First condenser lens, the second total reflective mirror, the 3rd total reflective mirror, the second condenser lens, the first end mirror, the second end mirror, turning mirror, first
Tail end mirror and light barrier；The pumping source is used to send pump light；The semi-transparent semi-reflecting lens be located at the collimation lens with it is described
Between second total reflective mirror；The pump light that the pumping source is sent becomes parallel light after the collimation lens, then passes through
The semi-transparent semi-reflecting lens, a part of pump light reflect on the semi-transparent semi-reflecting lens, described in another part pumping light transmission
Semi-transparent semi-reflecting lens；First end mirror, second end mirror, the turning mirror, the first tail end mirror and second tail end
Mirror forms resonator；The laser crystal is located in the resonator, and the laser crystal enters provided with the first incidence end and second
Penetrate end；The laser crystal is between first end mirror and second end mirror；The turning mirror and first end mirror
It is oppositely arranged；Two frequency-doubling crystal, the frequency tripling crystal are between the turning mirror and the first tail end mirror；It is described
Adjusting Q crystal is between second end mirror and the second tail end mirror；The pump light reflected on the semi-transparent semi-reflecting lens,
It is parallel after first total reflective mirror reflection to enter first condenser lens, the pump light that first total reflective mirror reflects
Focused on by first condenser lens, and from the incident laser crystal of first incidence end；Transmitted through described semi-transparent half
The pump light of anti-mirror is reflected by second total reflective mirror, the 3rd total reflective mirror successively, the pump that the 3rd total reflective mirror reflects
Pu light focuses on by second condenser lens, and from the incident laser crystal of second incidence end；Pump light is from both ends
After the incident laser crystal, the continuous light of 1064nm fundamental frequencies is produced in resonator；By the adjusting Q crystal to the resonator
Q values be adjusted, obtain the 1064nm pulsed lights of the roundtrip in the resonator；Along the turning mirror to described first
The direction of tail end mirror, 1064nm pulsed lights are after frequency tripling crystal refraction, in incident two frequency-doubling crystal, 1064nm arteries and veins
When washing off by two frequency-doubling crystal, frequency-doubled effect is produced, part 1064nm pulsed lights are converted into 532nm green glow, convert
Obtained 532nm green glows and remaining 1064nm pulsed lights reflects by the first tail end mirror, again through described two times
Frequency crystal, but some 1064nm pulsed light is converted into 532nm green glow；Part 532nm green glows and portion of non-converted
1064nm pulsed lights are carried out in the frequency tripling crystal and frequency, produce 355nm Ultra-Violet Lasers；355nm Ultra-Violet Lasers, 532nm
Green glow and 1064nm pulsed lights separate after one end refraction of the frequency tripling crystal away from two frequency-doubling crystal, and 355nm is purple
Outer laser is projected to outside the resonator, and 532nm green glows are stopped using the light barrier, and 1064nm pulsed lights are along backtracking.
Single pump both-end pumping ultraviolet laser of the present invention is made total defeated by injecting pump light from the both ends of laser crystal
Go out power requirement it is constant under conditions of, laser crystal it is single-ended because of absorptive pumping light and caused by heat decline, pump light swash
Caused heat is uniformly distributed in laser crystal both sides on luminescent crystal, avoids laser crystal because single-ended heated and that ftractures ask
Topic, be advantageous to the high power operation of 355nm ultraviolet lasers.
In one of the embodiments, the semi-transparent semi-reflecting lens reflect 50% pump light, 50% pump light of transmission.
In one of the embodiments, first condenser lens by pump light focus in the laser crystal and with institute
The first incidence end is stated at 1~2mm, second condenser lens by pump light focus in the laser crystal and with it is described
Second incidence end is at 1~2mm.
In one of the embodiments, the collimation lens is planoconvex spotlight, and the semi-transparent semi-reflecting lens and the collimation are saturating
The convex surface of mirror is oppositely arranged and relative to the planar tilt of the collimation lens.
In one of the embodiments, first total reflective mirror, second total reflective mirror and the 3rd total reflective mirror are
The high anti-eyeglasses of 808nm or 880nm.
In one of the embodiments, first end mirror, second end mirror are that 808nm or 880nm is anti-reflection, 1064nm
High anti-eyeglass；The first tail end mirror is the high anti-eyeglasses of 1064nm and 532nm；The second tail end mirror is 1064nm high anti-
Eyeglass；The turning mirror is the high anti-eyeglasses of 1064nm.
In one of the embodiments, the adjusting Q crystal is acousto-optic Q crystal or electric light Q crystal.
In one of the embodiments, the laser crystal is Nd:YVO4、Nd:YAG、Nd:YLF or Nd:GVO4.
In one of the embodiments, two frequency-doubling crystal is lithium triborate crystal, potassium titanyl oxygenic phosphate(KTP) crystal, di(2-ethylhexyl)phosphate
Hydrogen potassium crystal or BBO Crystal.
In one of the embodiments, the frequency tripling crystal is lithium triborate crystal or BBO Crystal.
Brief description of the drawings
Fig. 1 is the structural representation of single pump both-end pumping ultraviolet laser of the preferred embodiment of the present invention.
Embodiment
For the ease of understanding the present invention, the present invention will be described more fully below.But the present invention can be with perhaps
More different form is realized, however it is not limited to embodiment described herein.On the contrary, the purpose for providing these embodiments is to make
Understanding more thorough and comprehensive to the disclosure.
Unless otherwise defined, all of technologies and scientific terms used here by the article is with belonging to technical field of the invention
The implication that technical staff is generally understood that is identical.Term used in the description of the invention herein is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.
Referring to Fig. 1, it is single pump both-end pumping ultraviolet laser 100 of a better embodiment of the invention, for producing
355nm Ultra-Violet Lasers.Single pump both-end pumping ultraviolet laser 100 includes pumping source 10, collimation lens 11, semi-transparent semi-reflecting lens
12nd, the first total reflective mirror 13, the first condenser lens 14, the second total reflective mirror 15, the 3rd total reflective mirror 16, the second condenser lens 17, laser
Crystal 20, the first end mirror 21, the second end mirror 22, turning mirror 23, the first tail end mirror 24, the second tail end mirror 25, adjusting Q crystal 26, two
Frequency-doubling crystal 27, frequency tripling crystal 28 and light barrier 29.
Pumping source 10 is used to send pump light, and pumping source 10 can be the pump module for sending 808nm pump lights, can also
It is the PLM for sending 880nm pump lights.In the present embodiment, pumping source 10 is to send 808nm pump lights
PLM.
Collimation lens 11 is planoconvex spotlight, and semi-transparent semi-reflecting lens 12 are located between the total reflective mirror 15 of collimation lens 11 and second, half
The convex surface of saturating semi-reflective mirror 12 and collimation lens 11 is oppositely arranged and relative to the planar tilt of collimation lens 11.
Semi-transparent semi-reflecting lens have 50% pump light of reflection, transmit the characteristic of 50% pump light；The pumping that pumping source 10 is sent
Become parallel light after the collimated lens 11 of light, parallel light passes through semi-transparent semi-reflecting lens 12, and a part of pump light is semi-transparent
Reflected on semi-reflective mirror 12, another part pumping light transmission semi-transparent semi-reflecting lens 12.
Laser crystal 20 is provided with the first incidence end and the second incidence end, and the first incidence end and the second incidence end are respectively to swash
The both ends of luminescent crystal 20；Semi-transparent semi-reflecting lens 12 are relative with the first total reflective mirror 13 close to the one side of collimation lens 11；First focuses on thoroughly
Mirror 14, the condenser lens 17 of laser crystal 20 and second are between the first total reflective mirror 13 and the 3rd total reflective mirror 16.
The pump light reflected on semi-transparent semi-reflecting lens 12, it is parallel after the reflection of the first total reflective mirror 13 to enter the first focusing
Lens 14, the pump light that the first total reflective mirror 13 reflects focus on by the first condenser lens 14, and swash from the first incidence end is incident
Luminescent crystal 20.
Pump light transmitted through semi-transparent semi-reflecting lens 12 is reflected by the second total reflective mirror 15, the 3rd total reflective mirror 16 successively, and the 3rd is complete
The pump light that anti-mirror 16 reflects focuses on by the second condenser lens 17, and from the second incidence end incident laser crystal 20；It is preferred that
Ground, to cause pump light can be preferably overlapping with light path in resonator in laser crystal 20, conversion efficiency be improved, first focuses on
Lens 14 focus on pump light in laser crystal 20 and with the first incidence end at 1~2mm, and the second condenser lens 17 is by pump
Pu light is focused in laser crystal 20 and with the second incidence end at 1~2mm.
Specifically, the first total reflective mirror 13, the second total reflective mirror 15 and the 3rd total reflective mirror 16 are the high anti-mirrors of 808nm or 880nm
Piece；Laser crystal 20 is Nd:YVO4、Nd:YAG、Nd:YLF or Nd:GVO4 crystal.
Between the first condenser lens 14 and laser crystal 20, the second end mirror 22 focuses on saturating first end mirror 21 positioned at second
Between mirror 17 and laser crystal 20；First end mirror 21, the second end mirror 22, turning mirror 23, the first tail end mirror 24 and the second tail end mirror
25 form resonator；Laser crystal 20 is located in resonator, and specifically, laser crystal 20 is located at the first end mirror 21 and the second end mirror
Between 22；First incidence end of the first end mirror 21 and laser crystal 20 is oppositely arranged and inclined relative to the axis of laser crystal 20
Tiltedly, the second incidence end of the second end mirror 22 and laser crystal 20 is oppositely arranged and tilted relative to the axis of laser crystal 20；Turn
Fold mirror 23 is oppositely arranged with the first end mirror 21；Two frequency-doubling crystals 27, frequency tripling crystal 28 are located at the tail end mirror of turning mirror 23 and first
Set in light path between 24 and close to the first tail end mirror 24, two frequency-doubling crystals 27 are positioned at the first tail end mirror 24 and frequency tripling crystal
Between 28；Adjusting Q crystal 26 is set in the light path between the second end mirror 22 and the second tail end mirror 25 and close to the second tail end mirror 25
Put.
Specifically, the first end mirror 21, the second end mirror 22 are that 808nm or 880nm is anti-reflection, the high anti-eyeglasses of 1064nm, therefore the
One end mirror 21, the second end mirror 22 all have anti-reflection effect for 808nm or 880nm pump lights, have height to 1064nm pulsed lights
Reflex；First tail end mirror 24 is the high anti-eyeglasses of 1064nm and 532nm, and therefore, the first tail end mirror 24 is for 1064nm arteries and veins
Wash off and 532nm green glows all have high reflection effect；Second tail end mirror 25 is the high anti-eyeglasses of 1064nm, therefore, the second tail end
Mirror 25 has high reflection effect for 1064nm pulsed lights；Turning mirror 23 is the high anti-eyeglasses of 1064nm；Two frequency-doubling crystals 27 are
(barium metaborate is brilliant by LBO (lithium triborate crystal), KTP (potassium titanyl oxygenic phosphate(KTP) crystal), KDP (potassium dihydrogen phosphate crystal) or BBO
Body)；Frequency tripling crystal 28 is LBO (lithium triborate crystal) or BBO (BBO Crystal).
808nm or 880nm pump light line focus is incided in laser crystal 20, and both-end face-pumping is produced to laser crystal 20
Pu, laser crystal 20 absorb energy and realize that particle inverts, and the continuous light of 1064nm fundamental frequencies is produced in resonator；Pass through adjusting Q crystal
The Q values of 26 pairs of resonators are adjusted, and switch light path break-make, obtain the 1064nm pulsed lights of the roundtrip in resonator.
In the present embodiment, adjusting Q crystal 26 is acousto-optic Q crystal, and in other embodiments, adjusting Q crystal 26 can be with
It is electric light Q crystal etc..
Along the direction of the tail end of turning mirror 23 to the first mirror 24,1064nm pulsed lights are injected after the refraction of frequency tripling crystal 28
In two frequency-doubling crystals 27, when 1064nm pulsed lights pass through two frequency-doubling crystals 27, frequency-doubled effect is produced, part 1064nm pulsed lights turn
532nm green glow is turned to, obtained 532nm green glows is converted and remaining 1064nm pulsed lights reflects by the first tail end mirror 24,
Again through two frequency-doubling crystals 27, and some 1064nm pulsed light is converted into 532nm green glow.
Because the remaining 1064nm pulsed lights reflected through the first tail end mirror 24 again pass by two frequency-doubling crystals 27, improve
1064nm pulsed lights, so that under the conditions of Same Efficieney, can reduce the use of two frequency-doubling crystals 27 to the conversion ratio of 532nm green glows
Material, effectively save materials cost.
Part 532nm green glows and portion of non-converted 1064nm pulsed lights are carried out in frequency tripling crystal 28 and frequently, produced
355nm Ultra-Violet Lasers, the end face of the one end of frequency tripling crystal 28 away from two frequency-doubling crystals 27 tilt with respect to its axis, and 355nm is purple
Outer laser, 532nm green glows and 1064nm pulsed lights divide after one end refraction of the frequency tripling crystal 28 away from two frequency-doubling crystals 27
To open, 355nm Ultra-Violet Lasers (L1 in figure) are projected to outside resonator, and 532nm green glows (L2 in figure) are stopped using light barrier 29,
1064nm pulsed lights continue in vibration intracavitary work along backtracking.
Preferably, the one end of frequency tripling crystal 28 away from two frequency-doubling crystals 27 makes three using polishing Brewster angle cutting
355nm Ultra-Violet Lasers are isolated in the one end of frequency-doubling crystal 28 away from two frequency-doubling crystals 27 in the case of completely no anti-reflection film,
Avoid the loss of resonator 1064nm pulsed lights, and anti-reflection film it is impaired after to performance impact caused by frequency tripling crystal 28,
So as to improve the efficiency of laser and stability.
In this practical example, due to resonator by the first end mirror 21, the second end mirror 22, turning mirror 23, the first tail end mirror 24 and
Second tail end mirror 25 is formed, and 23 mirrors of transferring are oppositely arranged with the first end mirror 21, and two frequency-doubling crystals 27, frequency tripling crystal 28 are located at
Between the tail end mirror 24 of turning mirror 23 and first, adjusting Q crystal 26 makes fundamental frequency light between the second end mirror 22 and the second tail end mirror 25
Light path circular flow in resonator, reduce the space-consuming of resonator；Further, since the tail end mirror of adjusting Q crystal 26 and second
25 can be arranged in parallel with respect to two frequency-doubling crystals 27 and the first tail end mirror 24 etc., reduce the interference of fit on, so as to be more beneficial for
Realize the miniaturization of laser.
In this practical example, due to pump light respectively from the incidence of the both ends of laser crystal 20, being made in gross output requirement
Under conditions of constant, laser crystal 20 it is single-ended because of absorptive pumping light and caused by heat decline, pump light is in laser crystal 20
Heat caused by upper is uniformly distributed in the both sides of laser crystal 20, avoids the problem of laser crystal 20 ftractures because of single-ended be heated,
Be advantageous to the high power operation of laser.
Further, to ensure respectively from intensity, the consistent wavelength of two strands of incident pump lights of the both ends of laser crystal 20,
So as to ensure that the even heat of the both sides of laser crystal 20 is distributed, in this practical example, semi-transparent semi-reflecting lens 12, the first total reflective mirror are utilized
13rd, single beam pump light that the second total reflective mirror 15 and the 3rd total reflective mirror 16 will be sent by single pumping source 10, is adjusted to two strands never
Enter the pump light of laser crystal 20 with end-fire, make the consistent wavelength of the pump light from both ends incident laser crystal 20, further, since
50% part that semi-transparent semi-reflecting lens 12 are reflected after the pump light collimation that same pumping source 10 is sent, transmits the same institute of pumping source 10
50% part after the pump light collimation sent, ensures the intensity one from two strands of incident pump lights of the both ends of laser crystal 20
Cause, the heat for being subject to crystal both ends is consistent；Due to coming from same pumping source 10 from the pump light of both ends incident laser crystal 20,
After single long-term use of pump both-end pumping ultraviolet laser 100, from the attenuation degree of the pump light of both ends incident laser crystal 20
Unanimously, so as to avoiding resonator after long-term use from being lacked of proper care because both ends pump light is inconsistent, ensure laser normally export and
Extend the service life of single pump both-end pumping ultraviolet laser 100.
Embodiment described above only expresses the several embodiments of the present invention, and its description is more specific and detailed, but simultaneously
Can not therefore it be construed as limiting the scope of the patent.It should be pointed out that come for one of ordinary skill in the art
Say, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection of the present invention
Scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (10)
1. a kind of single pump both-end pumping ultraviolet laser, it is characterised in that including pumping source, collimation lens, semi-transparent semi-reflecting lens,
One total reflective mirror, the first condenser lens, the second total reflective mirror, the 3rd total reflective mirror, the second condenser lens, the first end mirror, the second end mirror, turn
Fold mirror, the first tail end mirror and light barrier；The pumping source is used to send pump light；The semi-transparent semi-reflecting lens are located at the collimation
Between lens and second total reflective mirror；The pump light that the pumping source is sent becomes parallel light after the collimation lens
Line, then reflected by the semi-transparent semi-reflecting lens, a part of pump light on the semi-transparent semi-reflecting lens, another part pumping
Semi-transparent semi-reflecting lens described in light transmission；First end mirror, second end mirror, the turning mirror, the first tail end mirror and institute
State the second tail end mirror and form resonator；The laser crystal is located in the resonator, and it is incident that the laser crystal is provided with first
End and the second incidence end；The laser crystal is between first end mirror and second end mirror；The turning mirror and institute
The first end mirror is stated to be oppositely arranged；Two frequency-doubling crystal, the frequency tripling crystal are located at the turning mirror and first tail end
Between mirror；The adjusting Q crystal is between second end mirror and the second tail end mirror；Reflected on the semi-transparent semi-reflecting lens
The pump light gone out, parallel after first total reflective mirror reflection to enter first condenser lens, first total reflective mirror is anti-
The pump light of injection focuses on by first condenser lens, and from the incident laser crystal of first incidence end；Transmission
The pump light for crossing the semi-transparent semi-reflecting lens is reflected by second total reflective mirror, the 3rd total reflective mirror successively, and the described 3rd is all-trans
The pump light that mirror reflects focuses on by second condenser lens, and from the incident laser crystal of second incidence end；
Pump light produces the continuous light of 1064nm fundamental frequencies after the incident laser crystal in both ends in resonator；Pass through the adjusting Q crystal
The Q values of the resonator are adjusted, obtain the 1064nm pulsed lights of the roundtrip in the resonator；Along the turnover
Mirror is to the direction of the first tail end mirror, and for 1064nm pulsed lights after frequency tripling crystal refraction, incident two frequency multiplication is brilliant
In vivo, when 1064nm pulsed lights pass through two frequency-doubling crystal, frequency-doubled effect is produced, part 1064nm pulsed lights are converted into
532nm green glow, convert obtained 532nm green glows and remaining 1064nm pulsed lights and reflected by the first tail end mirror, then
Once pass through two frequency-doubling crystal, and some 1064nm pulsed light is converted into 532nm green glow；Part 532nm green glows
Carry out in the frequency tripling crystal with portion of non-converted 1064nm pulsed lights and frequently, produce 355nm Ultra-Violet Lasers；355nm
Ultra-Violet Laser, 532nm green glows and 1064nm pulsed lights reflect through the one end of the frequency tripling crystal away from two frequency-doubling crystal
Separate afterwards, 355nm Ultra-Violet Lasers are projected to outside the resonator, and 532nm green glows are stopped using the light barrier, 1064nm pulses
Light is along backtracking.
2. single pump both-end pumping ultraviolet laser according to claim 1, it is characterised in that the semi-transparent semi-reflecting lens reflection
50% pump light, 50% pump light of transmission.
3. single pump both-end pumping ultraviolet laser according to claim 2, it is characterised in that first condenser lens will
Pump light is focused in the laser crystal and with first incidence end at 1~2mm, and second condenser lens is by pump
Pu light is focused in the laser crystal and with second incidence end at 1~2mm.
4. single pump both-end pumping ultraviolet laser according to claim 1, it is characterised in that the collimation lens is plano-convex
The convex surface of lens, the semi-transparent semi-reflecting lens and the collimation lens is oppositely arranged and inclined relative to the plane of the collimation lens
Tiltedly.
5. single pump both-end pumping ultraviolet laser according to claim 1, it is characterised in that first total reflective mirror, institute
It is the high anti-eyeglasses of 808nm or 880nm to state the second total reflective mirror and the 3rd total reflective mirror.
6. single pump both-end pumping ultraviolet laser according to claim 5, it is characterised in that first end mirror, described
Second end mirror is that 808nm or 880nm is anti-reflection, the high anti-eyeglasses of 1064nm；The first tail end mirror is 1064nm and 532nm high anti-
Eyeglass；The second tail end mirror is the high anti-eyeglasses of 1064nm；The turning mirror is the high anti-eyeglasses of 1064nm.
7. single pump both-end pumping ultraviolet laser according to claim 1, it is characterised in that the adjusting Q crystal is acousto-optic Q
Crystal or electric light Q crystal.
8. single pump both-end pumping ultraviolet laser according to claim 1, it is characterised in that the laser crystal is Nd:
YVO4、Nd:YAG、Nd:YLF or Nd:GVO4.
9. single pump both-end pumping ultraviolet laser according to claim 1, it is characterised in that two frequency-doubling crystal is three
Lithium tetraborate crystal, potassium titanyl oxygenic phosphate(KTP) crystal, potassium dihydrogen phosphate crystal or BBO Crystal.
10. single pump both-end pumping ultraviolet laser according to claim 1, it is characterised in that the frequency tripling crystal is
Lithium triborate crystal or BBO Crystal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711194383.0A CN107749560A (en) | 2017-11-24 | 2017-11-24 | Single pump both-end pumping ultraviolet laser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711194383.0A CN107749560A (en) | 2017-11-24 | 2017-11-24 | Single pump both-end pumping ultraviolet laser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107749560A true CN107749560A (en) | 2018-03-02 |
Family
ID=61252081
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711194383.0A Pending CN107749560A (en) | 2017-11-24 | 2017-11-24 | Single pump both-end pumping ultraviolet laser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107749560A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108683073A (en) * | 2018-08-29 | 2018-10-19 | 深圳市杰普特光电股份有限公司 | Long-life non-maintaining ultraviolet laser |
| CN108933378A (en) * | 2018-09-21 | 2018-12-04 | 深圳市杰普特光电股份有限公司 | Bicrystal ultraviolet laser |
| CN110277726A (en) * | 2019-07-11 | 2019-09-24 | 长春新产业光电技术有限公司 | A kind of acousto-optic Q modulation ultraviolet laser |
| CN115846899A (en) * | 2022-11-30 | 2023-03-28 | 广州星熠新材料科技有限公司 | Processing technology of CVD diamond sheet |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101232148A (en) * | 2008-02-22 | 2008-07-30 | 苏州德龙激光有限公司 | Design method of semiconductor diode both-end pumping high power UV laser |
| CN202405611U (en) * | 2011-12-29 | 2012-08-29 | 苏州德龙激光有限公司 | Semiconductor diode single-end pumped 355nm ultraviolet laser |
| CN204179482U (en) * | 2014-10-28 | 2015-02-25 | 长春新产业光电技术有限公司 | N-type cavity high power single-frequency ultraviolet laser |
| CN105261924A (en) * | 2015-11-09 | 2016-01-20 | 黑龙江工程学院 | Solid-state laser generating green continuous laser and method thereof |
| CN105591274A (en) * | 2016-02-23 | 2016-05-18 | 北京工业大学 | Experimental device used for improving sum frequency conversion efficiency |
| CN207819169U (en) * | 2017-11-24 | 2018-09-04 | 深圳市杰普特光电股份有限公司 | Single pump both-end pumping ultraviolet laser |
-
2017
- 2017-11-24 CN CN201711194383.0A patent/CN107749560A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101232148A (en) * | 2008-02-22 | 2008-07-30 | 苏州德龙激光有限公司 | Design method of semiconductor diode both-end pumping high power UV laser |
| CN202405611U (en) * | 2011-12-29 | 2012-08-29 | 苏州德龙激光有限公司 | Semiconductor diode single-end pumped 355nm ultraviolet laser |
| CN204179482U (en) * | 2014-10-28 | 2015-02-25 | 长春新产业光电技术有限公司 | N-type cavity high power single-frequency ultraviolet laser |
| CN105261924A (en) * | 2015-11-09 | 2016-01-20 | 黑龙江工程学院 | Solid-state laser generating green continuous laser and method thereof |
| CN105591274A (en) * | 2016-02-23 | 2016-05-18 | 北京工业大学 | Experimental device used for improving sum frequency conversion efficiency |
| CN207819169U (en) * | 2017-11-24 | 2018-09-04 | 深圳市杰普特光电股份有限公司 | Single pump both-end pumping ultraviolet laser |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108683073A (en) * | 2018-08-29 | 2018-10-19 | 深圳市杰普特光电股份有限公司 | Long-life non-maintaining ultraviolet laser |
| CN108933378A (en) * | 2018-09-21 | 2018-12-04 | 深圳市杰普特光电股份有限公司 | Bicrystal ultraviolet laser |
| CN110277726A (en) * | 2019-07-11 | 2019-09-24 | 长春新产业光电技术有限公司 | A kind of acousto-optic Q modulation ultraviolet laser |
| CN110277726B (en) * | 2019-07-11 | 2024-05-03 | 长春新产业光电技术有限公司 | Acousto-optic Q-switched ultraviolet laser |
| CN115846899A (en) * | 2022-11-30 | 2023-03-28 | 广州星熠新材料科技有限公司 | Processing technology of CVD diamond sheet |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107749560A (en) | Single pump both-end pumping ultraviolet laser | |
| CN103618205B (en) | A kind of full-solid-state single longitudinal mode yellow light laser | |
| CN101179176A (en) | Semiconductor dual-end pumped third harmonic ultraviolet laser | |
| CN107732643A (en) | Single pump both-end pumping infrared laser | |
| CN103500911A (en) | Multipoint vertical surface emitting terahertz parametric oscillator and application thereof | |
| CN204012180U (en) | A kind of diode end-pumped all-solid-state ultraviolet laser | |
| CN103427325A (en) | Internal cavity and external cavity mixing type non-linear frequency conversion ultraviolet laser | |
| CN207819169U (en) | Single pump both-end pumping ultraviolet laser | |
| CN207572713U (en) | Single pump both-end pumping green (light) laser | |
| CN106058632B (en) | A kind of adjustable passive Q-adjusted raman laser system of pulse energy based on bonded crystals | |
| CN102610992B (en) | Method for realizing high absorption efficiency of Nd:YAG laser for pumping light | |
| CN110277726A (en) | A kind of acousto-optic Q modulation ultraviolet laser | |
| CN202423819U (en) | Laser diode end-pump ultraviolet laser generation device | |
| CN112421361A (en) | Ultraviolet ultrafast laser for wood processing | |
| CN113078534A (en) | Intracavity cascade pump laser based on composite structure gain medium | |
| TWI763995B (en) | High power and multiple wavelength raman laser of visible light | |
| CN107946891B (en) | A kind of high-power ultraviolet solid-state laser | |
| CN207572712U (en) | Single pump both-end pumping infrared laser | |
| CN102581485A (en) | Laser welding device | |
| CN107742819A (en) | Single pump both-end pumping green (light) laser | |
| CN116191192A (en) | Laser with switchable Q-switching mode | |
| CN111916987A (en) | High efficiency solid state UV laser | |
| CN112688151A (en) | 266nm deep ultraviolet solid laser | |
| CN1116723C (en) | Double wave-length vibration passive double modulating Q laser | |
| CN104682182A (en) | Diode end-pumped all-solid-state laser |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180302 |
|
| RJ01 | Rejection of invention patent application after publication |