CN207625069U - A kind of Combined sheet laser amplifier and light path - Google Patents
A kind of Combined sheet laser amplifier and light path Download PDFInfo
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- CN207625069U CN207625069U CN201720916426.0U CN201720916426U CN207625069U CN 207625069 U CN207625069 U CN 207625069U CN 201720916426 U CN201720916426 U CN 201720916426U CN 207625069 U CN207625069 U CN 207625069U
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Abstract
The utility model is related to laser field more particularly to a kind of Combined sheet laser amplifier and light paths.Including piece case, lamp box and clean carriage body.Gain media, including framing component, gas flow guiding box, top reflector and bottom reflector are installed in described case；The lamp box includes xenon lamp, cable-to-cable connector and partition glass；Described case is 2, respectively first case and second case；The lamp box is 3, lamp box in respectively the first side lamp box, the second side lamp box and first.Gain media vertically 4 superpositions in described case.Described case, lamp box and end mirror are fixedly connected on the inside of the clean carriage body, 2 piece casees and 3 lamp boxes sequentially lamp box, second case and the second side lamp box in lamp box, first respectively in the first side lamp box, first case, first.The Combined sheet laser amplifier configurations of the utility model are compact, and efficient, small signal gain coefficient is big, and flatness is good.
Description
Technical field
The utility model is related to laser field more particularly to a kind of Combined sheet laser amplifier and light paths.
Background technology
In more than 30 years development course of high power short pulse laser, laser driver technology has obtained hair at full speed
Exhibition, especially under the excitation of laser inertial confinement fusion technology, the important unit of world many countries and laboratory are all to each
The ultra high power laser driver of kind scale and various levels has carried out numerous studies, such as U.S.'s livermore laboratory, method
Meier laboratory, Osaka, Japan university laser engineering center etc. in state.Wherein, the high power of U.S.'s livermore laboratory development
Laser driver represents the highest level in the world, since the 70's successively built Janus, Argus, Shiva, Nova and
The solid state lasers system such as NIF, heavy caliber sheet laser amplifier achieve great development.It is non-in these laser drivers
An often important module is sheet laser amplifier, its main solving device longitudinal direction energy flow transmission transfer problem, is entirely to drive
The core of dynamic device.The important parameter for weighing disk amplifier has small signal gain coefficient, flatness, transfer efficiency
Deng the quality of gain performance directly affects the output energy and power of device, and the height of transfer efficiency then influences the property of device
Valence ratio, overall performance important of the disk amplifier to system.
Utility model content
The purpose of utility model：In order to provide a kind of better Combined sheet laser amplifier of effect and light path, specifically
Purpose is shown in multiple substantial technological effects of specific implementation part.
In order to reach purpose as above, the utility model adopts the following technical scheme that：
Scheme one：
A kind of Combined sheet laser amplifier light path, which is characterized in that include lamp box 3, increasing in first be sequentially distributed
Beneficial medium, the first side lamp box, gain media, the second side lamp box；21 slant setting of gain media, lamp box 3, the first side lamp in first
Case 4 respectively pumps gain media 21 from both sides with the second side lamp box 5；Incident laser 8 and 21 surface normal 7 of gain media
Angle is the corresponding Brewster's angle of optical index that gain media 21 is 1053nm to wavelength.
A kind of Combined sheet laser amplifier, which is characterized in that include clean babinet, first side lamp box, gain
Lamp box, gain media, the second side lamp box are arranged in the width direction of clean babinet in medium, first；First be sequentially distributed
Middle lamp box 3, gain media, the first side lamp box, gain media, the second side lamp box；21 slant setting of gain media, lamp in first
Case, the first side lamp box respectively pump gain media 21 from both sides with the second side lamp box；Incident laser 8 and gain media 21
7 angle of surface normal is the corresponding Brewster's angle of optical index that gain media 21 is 1053nm to wavelength.
The further technical solution of the utility model is that first side lamp box and the second side lamp box xenon lamp are 8, xenon
Lamp outer diameter is 48 ± 0.3mm, wall thickness 2.5-3mm, 120 ± 5Torr of air pressure, and length is 1800mm-1855mm between xenon lamp electrode, and
And equidistantly arrangement, arrangement width range are 610-635mm, reflector of the every xenon lamp back side added with silver-plated involute-type；Institute
Lamp box xenon lamp is 10 in stating first, and xenon lamp outer diameter is 48 ± 0.3mm, wall thickness 2.5-3mm, 120 ± 5Torr of air pressure, xenon lamp electricity
Interpolar length is 1800mm-1855mm, and is equidistantly arranged, and arrangement width range is 610-635mm.
The further technical solution of the utility model is that 2 xenon lamp series connection are a discharge loop, the discharge loop
Operating voltage is 22-24.5kV, and capacitance is the circuits 400-360 μ F/.
The further technical solution of the utility model is that the cleaning babinet both sides separately include end mirror；Clean babinet is
The main load-bearing part of entire infrastructure, clean babinet is relatively air-tight, and clean box house cleanliness factor is better than 100 grades；1 pendant of end mirror in
Clean tank ends, laser is from the incidence of end mirror surface and outgoing, while end mirror can play the role of sealing clean babinet.
The further technical solution of the utility model is that the gain media 21 is located in piece case, and piece case 2 includes gain
Medium 21, gas flow guiding box 22, top reflector 23, bottom reflector 24 and frame support 25；Gain media 21 is neodymium-doped
Nd-doped phosphate glass piece；In the width direction i.e. on laser irradiation direction 4 be arranged under the overlay, adjacent two panels center spacing is
430±2mm；Gas flow guiding box 22 is located at guiding of the top of frame support 25 for flowing into nitrogen from top；Frame supports
25 top of part includes top reflector 23, and bottom includes bottom reflector 24, and top reflector 23 and bottom reflector 24 first plate
Have Ag layers, be then coated with SiO2 film layers, coating can improve the reflex to pump light, while can also avoid Ag layers in sky
Vulcanize in gas.
The further technical solution of the utility model is that first side lamp box and the second side lamp box include respectively side lamp box
Backboard 41, side lamp cabinet frame 42, partition glass sealing strip 43, partition glass press box 44, partition glass support plate 45 and reflector；
42 over-assemble of side lamp cabinet frame has xenon lamp 9, xenon lamp lamp line connector 10 and partition glass 11；The inner surface of partition glass 11 and
Outer surface is coated with antireflective broadband chemical films, and broadband refers to the band from 400nm-1000nm ranges so that xenon lamp is flat
Equal transmitance is more than 94%；By the combination of partition glass sealing strip 43, partition glass press box 44 and partition glass support plate 45,
Partition glass is mounted in side lamp cabinet frame 42, lamp box and external cross contamination can be prevented；Partition glass press box
44, partition glass sealing strip 43, partition glass 11, partition glass support plate 45, side lamp cabinet frame 42 and lamp box backboard 41 be successively
Fitting, reflector are connected as entirety with side lamp box backboard 41, are mounted in side lamp cabinet frame 42, have air-tightness；Two
Xenon lamp series connection is a discharge loop, and the connection of lamp line is completed by xenon lamp lamp line connector 10, and is mounted on side lamp box-frame
On frame 42；Top and bottom is provided with gas stream and enters outflux.
The further technical solution of the utility model is that lamp box includes middle lamp box partition glass support plate in described first
31, middle lamp box partition glass press box 32 and middle Lamp case frame 33 are assembled with xenon lamp 9, xenon lamp lamp line connector 10 and partition glass
11, the inner surface and the outer surface of partition glass 11 is coated with antireflective broadband chemical films, and broadband refers to from 400nm-1000nm models
The band enclosed so that xenon lamp mean transmissivity is more than 94%；Pass through middle lamp box partition glass press box 32 and middle lamp box partition board
Partition glass is mounted on middle Lamp case frame 33 by the compound action of glass support plate 31 so that entire module has gas
Close property can effectively prevent lamp box and external cross contamination；Middle lamp box partition glass press box 32, partition glass 11, middle lamp box
Partition glass support plate 31, middle Lamp case frame 33, partition glass 11, middle lamp box partition glass press box 32 are sequentially distributed；Middle lamp box
Xenon lamp is disposed on frame 33, two xenon lamp series connection are a discharge loop, and the connection of lamp line is complete by xenon lamp lamp line connector 10
At xenon lamp lamp line connector 10 is fixed on middle Lamp case frame 33；Top and bottom is provided with gas stream and enters outflux.
The further technical solution of the utility model is, 3-11 above-mentioned amplifier combinations together, in whole incidence
End is provided with end mirror with exit end, and the surface normal and incident laser of end mirror are at angle, the corresponding incidence end mirror with beam of laser
Face is distributed with exit end minute surface in " eight " word, can effectively inhibit self-oscillation caused by end mirror residual reflection.
The further technical solution of the utility model is that the end mirror includes four, is each located on both sides.
Using the utility model of technical solution as above, have the advantages that compared with the existing technology：This patent structure
Compact, small signal gain coefficient is big, and flatness is good, high conversion efficiency.
Description of the drawings
In order to further illustrate the utility model, it is further illustrated below in conjunction with the accompanying drawings：
Fig. 1 is that the overall structure of the utility model illustrates explosive view (9 block combiners)；
Fig. 2 is the piece box structure schematic diagram of the utility model；
Fig. 3 is gain media 4 superposed combined type schematic diagrames in the width direction of the utility model；
Fig. 4 is that the lamp box of the utility model and lamp box arrange fundamental relation schematic diagram；
Fig. 5 is lamp box structure schematic diagram in the first of the utility model；
Fig. 6 is the side lamp box structural schematic diagram of the utility model；
Fig. 7 is that the end mirror of the utility model arranges schematic diagram；
In figure：1-end mirror, 2-piece casees, 21-gain medias, 22-gas flow guiding boxes, 23-top reflectors, 24-
Bottom reflector, 25-frame supports, lamp box in 3-the first, 31-partition glass support plates, 32-middle lamp box partition board glass
Glass press box, 33-middle Lamp case frames, the 4-the first side lamp box, 41-side lamp box backboards, 42-side lamp cabinet frames, 43-partition board glass
Glass sealing strip, 44-partition glass press boxes, 45-partition glass support plates, the 5-the second side lamp box, 6-clean babinets, 7-increase
Beneficial dielectric surface normal, 8-incident lasers, 9-xenon lamps, 10-xenon lamp lamp line connectors, 11-partition glass, 101-end mirrors
One, the normal of 102-end mirrors, the angle of 103-normals and incident laser, 104-end mirrors two.
Specific implementation mode
With reference to the accompanying drawings and detailed description, the utility model is furtherd elucidate, it should be understood that following specific embodiment parties
Formula is merely to illustrate the utility model rather than limitation the scope of the utility model.It should be noted that making in being described below
Word "front", "rear", "left", "right", "up" and "down" refer to that the direction in attached drawing, word "inner" and "outside" respectively refer to
Be directed towards or far from geometric center of specific component direction.
A kind of Combined sheet laser amplifier, including piece case, lamp box, end mirror and clean babinet.Installation in described case
There are gain media, including framing component, purging auxiliary chamber, top reflector and bottom reflector；The lamp box include xenon lamp,
Cable-to-cable connector and partition glass；Described case is 2, respectively first case and second case；The lamp box is 3, point
It Wei not lamp box in the first side lamp box, the second side lamp box and first.Gain media vertically 4 superpositions in described case, such as
Shown in Fig. 1.Described case, lamp box and end mirror are fixedly connected on the inside of the clean babinet, 2 piece casees and 3 lamp boxes
Arrange fundamental relation as shown in Fig. 2, be respectively sequentially the first side lamp box, lamp box in lamp box, first in first case, first, the
Two casees and the second side lamp box.
Further, the gain media size is long (810 ± 1.5) mm × wide (460 ± 1.0) mm × thickness (40 ± 0.5)
The angle of mm, gain medium facet normal and incident laser is Brewster's angle.
Further, gain media is superposed to one group for 4 in the width direction, and adjacent two panels center spacing is 430 ± 2mm.
Further, totally two groups of gain media, center spacing are 430 ± 2mm, and angle is 2 × (90 °-gain media
The corresponding Brewster's angle of 1053nm refractive index)；
Further, first side lamp box and the second side lamp box xenon lamp are 8, and xenon lamp outer diameter is 48 ± 0.3mm, wall thickness
2.5-3mm, length is 1800mm-1855mm between xenon lamp electrode, and is equidistantly arranged, and arrangement width range is 610-635mm.
Further, lamp box xenon lamp is 10 in described first, and xenon lamp outer diameter is 48 ± 0.3mm, wall thickness 2.5-3mm, xenon lamp
Length is 1800mm-1855mm between electrode, and is equidistantly arranged, and arrangement width range is 610-635mm.
Further, 2 xenon lamp series connection are a discharge loop, and the operating voltage of the discharge loop is 22-
24.5kV, capacitance are the circuits 400-360 μ F/, and discharge current shape is critical damping impulse waveform, and current time width is 510-
530us。
Further, first side lamp box and the second side lamp box further include the first reflector, except the side where partition glass
Outside face, the medial surface of first side lamp box and the second side lamp box is equipped with first reflector, first reflector surface
It is coated with Ag and SiO2Film layer.
Further, the inner surface and the outer surface of partition glass is coated with antireflective to 400nm-1000nm spectrum broadband respectively
Learn film.
Further, described case piece case includes framing component, top reflector and bottom reflector.The top reflector
It is coated with Ag and SiO with bottom reflector surface2Film layer.
Further, the laser amplifier further includes 4 end mirrors, and 4 end mirrors are fixedly connected with the clean babinet,
Wherein 2 end mirrors are opposite with laser entrance face, and 2 end mirrors are opposite with laser-emitting face, the surface method of the end mirror
The angle of line and incident laser is 0.8-1.2 °.
The utility model is further described below：
1, the first side lamp box and the second side lamp box are equidistantly arranged using 8 xenon lamps, and lamp box uses 10 xenons in first
Lamp equidistantly arranges, and xenon lamp outer diameter is 48 ± 0.3mm, wall thickness 2.5-3mm, under identical xenon lamp workload, it is possible to provide higher
Pump energy improves gain media pump energy density, and the small signal gain coefficient and system for improving gain media work
Reliability；
1.2,2 xenon lamp series connection are a discharge loop, and the operating voltage of the discharge loop is 22-24.5kV,
Capacitance is the circuits 400-360 μ F/, and discharge current shape is critical damping impulse waveform, and current time width is 500-530us,
Under identical xenon lamp workload, operating voltage, which is 22-24.5kV, can help discharge loop more preferably to realize that critical damping matches, outside
Diameter, which is the heavy caliber xenon lamp of 48 ± 0.3mm, can provide higher pump energy, improve the small signal gain coefficient of gain media.
3, remaining each face in lamp box in addition to partition glass face is equipped with reflector, and reflector is coated with Ag film layers, increases
Reflection to 400nm-1000nm pump lights, makes pump light be reflected into gain medium facet to the greatest extent, improves pumping effect
Rate；
4, piece box top and bottom are equipped with reflector, and reflector is coated with Ag film layers, increase and are pumped to 400nm-1000nm
The reflection of Pu light, makes pump light be reflected into gain medium facet to the greatest extent, improves pumping efficiency；
5, reflector surface is coated with SiO2Film layer has the function of protecting the silver coating on the inside of it, prevents silver coating in sky
Reflectivity caused by vulcanizing in gas reduces phenomenon, ensure that the gain stability of sheet laser amplifier long-term work；
6, xenon lamp outer wall is 15-20mm to partition glass surface spacing, and xenon lamp outer wall to reflector spacing is 2.5-
3.5mm, xenon lamp outer wall to gain medium facet spacing are 270-300mm, piece box top reflector surface to bottom reflector table
Interplanar distance is 1800mm-1850mm, is 780-800mm along laser direction overall width, entire sheet laser amplifier structure is more
It is compact, improves flatness, improves pumping efficiency；
7,3-11 above-mentioned amplifier modules are combined, and the lamp box of adjacent block can reinforce mutually gain media length
The pumping of direction marginal position, improves flatness；
8,3-11 above-mentioned amplifier modules are combined, and exit end is provided with end mirror in whole incidence end, holds
The surface normal of mirror is with incident laser at small angle, and with beam of laser, corresponding incidence end minute surface and exit end minute surface are in " eight "
Word is distributed, and effectively inhibits self-oscillation caused by end mirror residual reflection.
The course of work of sheet laser amplifier is：The energy module that laser amplifier is supplied electricity to by city first charges, and waits for
After charge capacity reaches requirement, energy module discharge switch is opened, and energy module discharges to xenon lamp circuit, and xenon lamp 9 passes through ionization
Radiation converts electrical energy into luminous energy and is irradiated on neodymium glass；Neodymium ion absorbs xenon lamp luminous energy, is situated between in gain by radiation transistion
Population inversion is formed between energy level above and below laser in matter 21, gain media 21 is made to obtain enough energy storage；When energy storage reaches
At the maximum moment, when 8 pulse of incident laser passes through gain media, neodymium ion is realized from high level to low-lying level stimulated radiation transition
The amplification of laser.
After laser amplifier is run, the nitrogen to gain media using cleanliness factor better than 100 grades purges, to promote
Into thermal distoftion recovery with avoid aerosol in the attachment on its surface, while with clean dry air purge lamp box, promote its heat
Restore.
As shown in Figure 1, in a kind of Combined sheet laser amplifier, including end mirror 1, piece case 2, the first side lamp box 3, first
Lamp box 4, the second side lamp box 5, clean babinet 6.Clean babinet is the main load-bearing part of entire infrastructure, with enough rigidity and by force
Degree；Clean babinet has certain air-tightness, to ensure its internal cleanliness factor and damp condition；Clean box house cleanliness factor
Better than 100 grades.1 pendant of end mirror plays sealing function in clean tank ends, laser from the incidence of end mirror surface and outgoing.
Lamp box 4 is mounted on cleaning box to the second side lamp box 5 by corresponding geometry site in piece case 2, the first side lamp box 3, first
Internal portion.
As shown in Fig. 2, a kind of Combined sheet laser amplifier, 21 slant setting of gain media, lamp box 3, in first
One side lamp box 4 respectively pumps gain media 21 from both sides with the second side lamp box 5.Incident laser 8 and 21 table of gain media
Normal 7 angle in face is gain media 21 to the corresponding Brewster's angle of 1053nm optical indexs.
As shown in Figure 3 and Figure 4, a kind of Combined sheet laser amplifier, piece case 2 include gain media 21, gas flow guiding
Box 22, top reflector 23, bottom reflector 24 and frame support 25.Gain media 21 is neodymium doped phosphate neodymium glass,
Size is long (810 ± 1.5) mm × wide (460 ± 1.0) mm × thickness (40 ± 0.5) mm, and 4 are arranged under the overlay in the width direction, phase
Adjacent two panels center spacing is 430 ± 2mm；Gas flow guiding box 22 is used to flow into the guiding of nitrogen from top；Top reflector 23 with
Bottom reflector 24 is first coated with Ag layers, is then coated with SiO2Film layer had both improved the reflex to pump light so that pumping effect
Rate higher, while also avoiding Ag layers and vulcanizing in air, it ensure that the stability of sheet laser amplifier long-term work；Frame
Support element 25 has enough rigidity and intensity, ensure that 2 overall structure stability of piece case.
As shown in figure 5, lamp box 3 includes partition glass support plate 31, partition glass press box 32 and middle Lamp case frame in first
33, it is assembled with xenon lamp 9, xenon lamp lamp line connector 10 and partition glass 11.The inner surface and the outer surface of partition glass 11 is coated with
Antireflective broadband chemical films, broadband refer to the band from 400nm-1000nm ranges so that xenon lamp mean transmissivity is more than
94%.By the compound action of partition glass press box 31 and partition glass support plate 32, partition glass is mounted on middle lamp
In cabinet frame 33 so that entire module has certain air-tightness, effectively prevents lamp box and external cross contamination.2 xenon lamps
Series connection is a discharge loop, and the connection of lamp line is completed by xenon lamp lamp line connector 10, and is mounted on middle Lamp case frame 42
On.Top and bottom is provided with gas stream and enters outflux.
As shown in fig. 6, side lamp box includes side lamp box backboard 41, and side lamp cabinet frame 42, partition glass sealing strip 43, partition board glass
Glass press box 44, partition glass support plate 45 and reflector (not provided in figure) are assembled with xenon lamp 9, xenon lamp lamp line connector 10 with
Partition glass 11.The inner surface and the outer surface of partition glass 11 is coated with antireflective broadband chemical films, and broadband refers to from 400nm-
The band of 1000nm ranges so that xenon lamp mean transmissivity is more than 94%.Pass through partition glass sealing strip 43, partition glass
Partition glass is mounted in side lamp cabinet frame 42 so that whole by the compound action of press box 44 and partition glass support plate 45
A module has certain air-tightness, effectively prevents lamp box and external cross contamination.Reflector is connect with side lamp box backboard 41
It for entirety, is mounted in side lamp cabinet frame 42, there is air-tightness effect.2 xenon lamp series connection are a discharge loop, lamp line
Connection completed by xenon lamp lamp line connector 10, and be mounted in side lamp cabinet frame 42.Top and bottom is provided with gas
Inflow and outflow mouth.
As shown in fig. 7, the angle 103 of the normal 102 of end mirror and incident laser 8 is 0.8-1.2 °, and preferably 1 °, end mirror
101 and end mirror 104 in "eight" shape arrange, surface is coated with to 8 antireflective deielectric-coating of incident laser, but can effectively inhibit end mirror
Self-oscillation caused by residual reflection.
Lamp box 3, the first side lamp box and the second side lamp box are installed by guide rail and locking and connecting device solid in piece case, first
It is scheduled on clean box house.It can certainly be fixed using other modes, for example can be using gluing etc..Similar realization knot
Structure is in the protection domain of this patent.
In a creative way, above each effect is individually present, moreover it is possible to the combination of the above results is completed with a nested structure.
It should be noted that multiple schemes that this patent provides include the basic scheme of itself, independently of each other, not mutually
It restricts, but it can also be combined with each other in the absence of conflict, reach multiple effects and realize jointly.
Basic principles, main features, and advantages of the present invention has been shown and described above.Ability
The technical staff in domain should be recognized that the present utility model is not limited to the above embodiments, described in the above embodiment and specification
Only illustrate the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model can also
There are various changes and modifications, these changes and improvements are both fallen in claimed range.
Claims (10)
1. a kind of Combined sheet laser amplifier light path, which is characterized in that include lamp box (3), increasing in first be sequentially distributed
Beneficial medium, the first side lamp box, gain media, the second side lamp box；Gain media (21) slant setting, lamp box (3), first in first
Side lamp box (4) respectively pumps gain media (21) from both sides with the second side lamp box (5)；Incident laser (8) is situated between with gain
Matter (21) surface normal (7) angle is gain media (21) to the corresponding Brewster's angle of optical index that wavelength is 1053nm.
2. a kind of Combined sheet laser amplifier, which is characterized in that comprising clean babinet, the first side lamp box, gain media, the
Lamp box, gain media, the second side lamp box are arranged in the width direction of clean babinet in one；Lamp box (3), gain are situated between in first
Matter, the first side lamp box, gain media, the second side lamp box are sequentially distributed；Gain media (21) slant setting, lamp box, in first
One side lamp box respectively pumps gain media (21) from both sides with the second side lamp box；Incident laser (8) and gain media
(21) surface normal (7) angle is gain media (21) to the corresponding Brewster's angle of optical index that wavelength is 1053nm.
3. a kind of Combined sheet laser amplifier as claimed in claim 2, which is characterized in that first side lamp box and the
Two side lamp box xenon lamps are 8, and xenon lamp outer diameter is 48 ± 0.3mm, wall thickness 2.5-3mm, 120 ± 5Torr of air pressure, long between xenon lamp electrode
Degree is 1800mm-1855mm, and is equidistantly arranged, and arrangement width range is 610-635mm, and every xenon lamp back side is added with silver-plated
The reflector of involute-type；Lamp box xenon lamp is 10 in described first, and xenon lamp outer diameter is 48 ± 0.3mm, wall thickness 2.5-3mm, gas
120 ± 5Torr is pressed, length is 1800mm-1855mm between xenon lamp electrode, and is equidistantly arranged, and arrangement width range is 610-
635mm。
4. a kind of Combined sheet laser amplifier as claimed in claim 3, which is characterized in that 2 xenon lamp series connection are one
The operating voltage of discharge loop, the discharge loop is 22-24.5kV, and capacitance is the circuits 400-360 μ F/.
5. a kind of Combined sheet laser amplifier as claimed in claim 2, which is characterized in that the cleaning babinet both sides point
It Bao Han not end mirror；Clean babinet is the main load-bearing part of entire infrastructure；End mirror (1) pendant is in clean tank ends, and laser is from end mirror
Surface incidence and outgoing, while end mirror can play the role of sealing clean babinet.
6. a kind of Combined sheet laser amplifier as claimed in claim 2, which is characterized in that gain media (21) position
In piece case, piece case (2) includes gain media (21), gas flow guiding box (22), top reflector (23), bottom reflector (24)
With frame support (25)；Gain media (21) is neodymium doped phosphate neodymium glass；In the width direction i.e. perpendicular to laser irradiation
4 are arranged under the overlay on direction, and adjacent two panels center spacing is 430 ± 2mm；Gas flow guiding box (22) is located at frame support (25)
Top be used for from top flow into nitrogen guiding；Include top reflector (23) above frame support (25), bottom includes
Bottom reflector (24), top reflector (23) and bottom reflector (24) are first coated with Ag layers, are then coated with SiO2 film layers, coating
The reflex to pump light can be improved, while can also avoid Ag layers and vulcanize in air.
7. a kind of Combined sheet laser amplifier as claimed in claim 6, which is characterized in that first side lamp box and the
Two side lamp box include respectively side lamp box backboard (41), side lamp cabinet frame (42), partition glass sealing strip (43), partition glass press box
(44), partition glass support plate (45) and reflector；Side lamp cabinet frame (42) over-assemble has xenon lamp (9), xenon lamp lamp line connector
(10) with partition glass (11)；The inner surface and the outer surface of partition glass (11) is coated with antireflective broadband chemical films, and broadband is
Refer to the band from 400nm-1000nm ranges so that xenon lamp mean transmissivity is more than 94%；Pass through partition glass sealing strip
(43), partition glass is mounted on side lamp box-frame by the combination of partition glass press box (44) and partition glass support plate (45)
On frame (42)；Partition glass press box (44), partition glass sealing strip (43), partition glass (11), partition glass support plate (45),
Side lamp cabinet frame (42) and side lamp box backboard (41) are bonded successively, and reflector is connected as entirety with side lamp box backboard (41), are installed
It is fixed in side lamp cabinet frame (42), there is air-tightness；Two xenon lamp series connection are a discharge loop, and the connection of lamp line is by xenon lamp
Lamp line connector (10) is completed, and is mounted in side lamp cabinet frame (42)；Top and bottom is provided with gas inflow and outflow
Mouthful.
8. a kind of Combined sheet laser amplifier as claimed in claim 6, which is characterized in that lamp box includes in described first
Middle lamp box partition glass support plate (31), middle lamp box partition glass press box (32) and middle Lamp case frame (33), are assembled with xenon lamp
(9), xenon lamp lamp line connector (10) and partition glass (11), the inner surface and the outer surface of partition glass (11) are coated with antireflective
Broadband chemical films, broadband refer to the band from 400nm-1000nm ranges so that xenon lamp mean transmissivity is more than 94%；It is logical
The compound action of middle lamp box partition glass press box (32) and middle lamp box partition glass support plate (31) is crossed, partition glass installation is fixed
In on middle Lamp case frame (33)；Middle lamp box partition glass press box (32), partition glass (11), middle lamp box partition glass support plate
(31), middle Lamp case frame (33), partition glass (11), middle lamp box partition glass press box (32) are sequentially distributed；Middle Lamp case frame
(33) xenon lamp is disposed on, two xenon lamp series connection are a discharge loop, and the connection of lamp line is complete by xenon lamp lamp line connector (10)
At xenon lamp lamp line connector (10) is fixed on middle Lamp case frame (33)；Top and bottom is provided with gas stream and enters outflux.
9. a kind of Combined sheet laser amplifier as described in any one of claim 2-8, which is characterized in that 3-11
Above-mentioned amplifier combination is provided with end mirror together, in whole incidence end and exit end, and surface normal and the incidence of end mirror swash
At angle, with beam of laser, corresponding incidence end minute surface is distributed with exit end minute surface in " eight " word light, can effectively inhibit end mirror surplus
Self-oscillation caused by coreflection.
10. a kind of Combined sheet laser amplifier as claimed in claim 9, which is characterized in that the end mirror includes four,
It is each located on both sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720916426.0U CN207625069U (en) | 2017-07-26 | 2017-07-26 | A kind of Combined sheet laser amplifier and light path |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720916426.0U CN207625069U (en) | 2017-07-26 | 2017-07-26 | A kind of Combined sheet laser amplifier and light path |
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| Publication Number | Publication Date |
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| CN207625069U true CN207625069U (en) | 2018-07-17 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107342531A (en) * | 2017-07-26 | 2017-11-10 | 中国工程物理研究院激光聚变研究中心 | A kind of Combined sheet laser amplifier and light path |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107342531A (en) * | 2017-07-26 | 2017-11-10 | 中国工程物理研究院激光聚变研究中心 | A kind of Combined sheet laser amplifier and light path |
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