CN208015067U - A kind of nonbonding or the side pumping disk gain module structure of sintering - Google Patents
A kind of nonbonding or the side pumping disk gain module structure of sintering Download PDFInfo
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- CN208015067U CN208015067U CN201721893904.7U CN201721893904U CN208015067U CN 208015067 U CN208015067 U CN 208015067U CN 201721893904 U CN201721893904 U CN 201721893904U CN 208015067 U CN208015067 U CN 208015067U
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- transmission line
- laser medium
- disk
- tapered transmission
- cooler
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Abstract
The utility model provides the side pumping disk gain module structure of a kind of nonbonding or sintering, and the program includes cooler, disk laser medium, tapered transmission line structure and diode laser matrix；Disk laser medium and tapered transmission line structure setting are on cooler；Tapered transmission line structure surrounds the lateral surface for being connected to disk laser medium；It is provided with diode laser matrix on the lateral surface of tapered transmission line structure；The connecting pin of tapered transmission line structure and diode laser matrix is incidence end；Tapered transmission line structure is exit end with the connecting pin of disk laser medium even；The incidence end bore of tapered transmission line structure is more than the bore of exit end.The program can greatly improve the coupling efficiency of round laser medium side pumping, eliminate round laser medium conventional side pumping and need the technical barrier for being bonded or being sintered tapered transmission line.Meanwhile waveguide also has and homogenizes effect well, improves pumping homogeneity, reduces optical distortion when round laser medium heat load.
Description
Technical field
The utility model relates to high power solid state laser field, the side pumping of especially a kind of nonbonding or sintering
Disk gain module structure.
Background technology
Lasting propulsion with from laser diode pump solid state laser device to high-tech application field, to the power of laser
Horizontal and beam quality is proposed increasingly higher demands.Sheet gain media is easily achieved one-dimensional efficient cooling, is conducive to
The thermal distoftion inside laser is controlled, is the effective way for developing high power and high light beam quality laser using sheet laser medium
Diameter.
Sheet laser medium mainly has two kinds of configurations of lath and disk, and the output facula of lath sheet gain media is not pair
Claim structure, optical parameter both horizontally and vertically is different, thereby increases the complexity of slab laser development and application.Disk
Laser medium will be obviously not present disadvantages mentioned above, and the cooling structure of disk laser medium is all identical, i.e., is carried out by end face high
Effect cooling, and pump mode is then divided into two kinds of end-pumping and side pumping.
End-pumping mode is easily achieved, and is the mainstream pumping configuration of existing Disk laser, due to disk laser medium
Rear end face has been used for microchannel cooling, only stays front end face while amplifying with laser generation for pumping, pump light path as a result, and swashing
Light generation amplification light path is in the same space region, and the optical component of the two easily interferes, and densification difficult to realize is set
Meter causes two light path systems to occupy huge space, and optical path adjusting is complicated, and especially superpower laser needs multi-disc laser to be situated between
Matter concatenates, the problem of interfering just more prominent, the densification of laser, reliability and maintainability all suffers to be chosen greatly very much
War.
Side pumping mode be will pump light path and laser generation amplification light path be separated into different area of space, i.e. laser two
Pole pipe is changed to the side pumping from disk laser medium, avoids the deficiency of end-pumping mode, but the side of disk laser medium is very
It is thin, and side is the arc surface handled through feather plucking, is difficult to realize the efficient pumping of diode laser matrix.Existing method be
The side of disk laser medium is bonded or sintering tapered transmission line, the pump guide for being emitted diode laser matrix by tapered transmission line
Enter into disk laser medium, this is simple and compact for structure, but difficult in the technology of very thin arc surface bonding or sintering tapered transmission line
Degree is very big, and cost is also very high.
Utility model content
The purpose of this utility model aiming at deficiency of the prior art, and provides a kind of nonbonding or sintering
Side pumping disk gain module structure, the program can greatly improve the coupling efficiency of round laser medium side pumping, eliminate
Round laser medium conventional side pumping needs the technical barrier for being bonded or being sintered tapered transmission line.Meanwhile waveguide also has very well
Homogenize effect, improve pumping homogeneity, reduce optical distortion when round laser medium heat load.
This programme is achieved by the following technical measures：
A kind of nonbonding or the side pumping disk gain module structure of sintering include cooler, disk laser medium, cone
Shape waveguiding structure and diode laser matrix；Disk laser medium and tapered transmission line structure setting are on cooler；Tapered transmission line
Structure surrounds the lateral surface for being connected to disk laser medium；Laser diode battle array is provided on the lateral surface of tapered transmission line structure
Row；The connecting pin of tapered transmission line structure and diode laser matrix is incidence end；Tapered transmission line structure connects with disk laser medium
Connecting pin be exit end；The incidence end bore of tapered transmission line structure is more than the bore of exit end.
As the preferred of this programme：Tapered transmission line structure is made of upper cover plate, window lens and cooler；Window lens
Outer edge in cooler is set, and the height of window lens is higher than the thickness of disk laser medium；Upper cover plate is covered in disk
In laser medium outer rim to the region on the top of window lens；The lower surface of upper cover plate and the inside of window lens and cooler
Upper surface formed cavity in be injected with matching fluid；The lateral surface in window lens is arranged in diode laser matrix.
As the preferred of this programme：Matching fluid is identical as the refractive index of disk laser medium.
As the preferred of this programme：The outer rim shape of upper cover plate is regular polygon；The outer rim shape and upper cover plate of cooler
Outer rim shape match；A window lens are both provided on each side of cooler；The outside of each window lens
One group of diode laser matrix is both provided on face.
As the preferred of this programme：The diameter of round laser medium and the ratio of thickness are not less than 7：1.
As the preferred of this programme：The lower surface of upper cover plate and the upper surface of cooler are high anti-, reflectivity to pump light
≥98%。
As the preferred of this programme：Diode laser matrix emergent light enters after window lens and matching fluid successively
In disk laser medium.
The advantageous effect of this programme can according to the description of the above program, due in this scenario using matching fluid as
The side of the waveguide material of round laser medium profile pump, matching fluid and round laser medium fit closely to be formed it is seamless
Solid-liquid interface, matching fluid is identical as the round refractive index of laser medium more in addition, and there is no reflections and scattering between solid-liquid interface
Loss, can greatly improve the coupling efficiency of round laser medium side pumping, eliminate round laser medium conventional side in this way
Pumping needs the technical barrier for being bonded or being sintered tapered transmission line；The lower face of upper cover plate, the upper surface structure of matching fluid and cooler
Tapered waveguiding structure, bigbore tapered transmission line incidence end can effectively improve pump power.Meanwhile waveguide also have well it is even
Change effect, improve pumping homogeneity, reduces optical distortion when round laser medium heat load.
It can be seen that the utility model compared with prior art, has substantive features and progress, the beneficial effect implemented
Fruit is also obvious.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the overlooking structure diagram of Fig. 1.
In figure, 1 is diode array, and 2 be upper cover plate, and 3 be matching fluid, and 4 be window lens, and 5 be disk laser medium, 6
For cooler.
Specific implementation mode
All features disclosed in this specification or disclosed all methods or in the process the step of, in addition to mutually exclusive
Feature and/or step other than, can combine in any way.
This specification（Including any accessory claim, abstract and attached drawing）Disclosed in any feature, except non-specifically chatting
It states, can be replaced by other alternative features that are equivalent or have similar purpose.That is, unless specifically stated, each feature is only
It is an example in a series of equivalent or similar characteristics.
Specific implementation mode one：
In Fig. 1, a kind of nonbonding or sintering side pumping disk gain module structure, including diode laser matrix 1, upper cover
Plate 2, matching fluid 3, window lens 4, round laser medium 5, cooler 6；Diode laser matrix 1 is arranged in the outer of upper cover plate 2
Around side, diode laser matrix 1 shares eight sets in embodiment one, and corresponding window lens 4 also have eight pieces, upper cover plate 2
Lower section place cooler 6, the angle of the lower face of upper cover plate 2 and the upper surface of cooler 6 is 9 °；By upper cover plate 2, window mirror
It is filled with matching fluid 3 in the tapered transmission line inner cavity that piece 4, round laser medium 5, cooler 6 are constituted；Its light channel structure is laser
The emergent light of diode array 1 passes through the multiple anti-of the upper surface of lower face and cooler 6 through upper cover plate 2 after window lens 4
It penetrates, and is imported among round laser medium 5 by matching fluid 3.
The luminous bore of diode laser matrix 1 is 11mm × 10mm, and wavelength 805nm, quantity is eight sets.
The lower face of upper cover plate 2 and the angle of the upper surface of cooler 6 are 9 °.
The bore of round laser medium 5 is 20mm, and thickness 0.8mm, material is neodymium-doped yttrium-fluoride lithium Nd:YLF.
The a diameter of 19mm of inner circle of upper cover plate 2, outer periphery are octagon, a diameter of 98mm of octagon circumscribed circle, material
Material is stainless steel, and 805nm high-reflecting films are plated in the lower face of upper cover plate 2, and reflectivity is more than 98%.
The material of cooler 6 is copper, and 805nm high-reflecting films are plated in 6 upper surface of cooler, and reflectivity is more than 98%.
The clear aperture of window lens 4 is 17mm × 15mm, and material is optical glass, and light admission port plates 805nm anti-reflection films, thoroughly
It crosses rate and is more than 99%.
Matching fluid 3 is tetrachloro-ethylene C2Cl4, refractive index is close with round laser medium 5.
The utility model is not limited to specific implementation mode above-mentioned.The utility model expands to any in this specification
The new feature of middle disclosure or any new combination, and disclose any new method or process the step of or any new group
It closes.
Claims (7)
1. a kind of nonbonding or the side pumping disk gain module structure of sintering, it is characterized in that：Include cooler, disk laser
Medium, tapered transmission line structure and diode laser matrix；The disk laser medium and tapered transmission line structure setting are in cooler
On；The tapered transmission line structure surrounds the lateral surface for being connected to disk laser medium；On the lateral surface of the tapered transmission line structure
It is provided with diode laser matrix；The connecting pin of the tapered transmission line structure and diode laser matrix is incidence end；The cone
Shape waveguiding structure is exit end with the connecting pin of disk laser medium even；The incidence end bore of the tapered transmission line structure is more than
Penetrate the bore at end.
2. a kind of nonbonding according to claim 1 or the side pumping disk gain module structure of sintering, it is characterized in that：Institute
Tapered transmission line structure is stated to be made of upper cover plate, window lens and cooler；The window lens are arranged in the outside of cooler
Edge, and the height of window lens is higher than the thickness of disk laser medium；The upper cover plate is covered in disk laser medium outer rim extremely
On the region on the top of window lens；The upper surface shape of the lower surface of the upper cover plate and the inside of window lens and cooler
At cavity in be injected with matching fluid；The lateral surface in window lens is arranged in the diode laser matrix.
3. a kind of nonbonding according to claim 2 or the side pumping disk gain module structure of sintering, it is characterized in that：Institute
It is identical as the refractive index of disk laser medium to state matching fluid.
4. a kind of nonbonding according to claim 2 or the side pumping disk gain module structure of sintering, it is characterized in that：Institute
The outer rim shape for stating upper cover plate is regular polygon；The outer rim shape of the cooler and the outer rim shape of upper cover plate match；Institute
It states and is both provided with a window lens on each side of cooler；It is both provided with one group on the lateral surface of each window lens
Diode laser matrix.
5. a kind of nonbonding according to claim 1 or the side pumping disk gain module structure of sintering, it is characterized in that：Institute
The ratio of the diameter and thickness of stating disk laser medium is not less than 7：1.
6. a kind of nonbonding according to claim 2 or the side pumping disk gain module structure of sintering, it is characterized in that：Institute
The upper surface of the lower surface and cooler of stating upper cover plate is high anti-, reflectivity >=98% to pump light.
7. a kind of nonbonding according to claim 2 or the side pumping disk gain module structure of sintering, it is characterized in that：Institute
Diode laser matrix emergent light is stated to enter after window lens and matching fluid in disk laser medium successively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721893904.7U CN208015067U (en) | 2017-12-29 | 2017-12-29 | A kind of nonbonding or the side pumping disk gain module structure of sintering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721893904.7U CN208015067U (en) | 2017-12-29 | 2017-12-29 | A kind of nonbonding or the side pumping disk gain module structure of sintering |
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| Publication Number | Publication Date |
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| CN208015067U true CN208015067U (en) | 2018-10-26 |
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| CN201721893904.7U Active CN208015067U (en) | 2017-12-29 | 2017-12-29 | A kind of nonbonding or the side pumping disk gain module structure of sintering |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107895880A (en) * | 2017-12-29 | 2018-04-10 | 中国工程物理研究院应用电子学研究所 | A kind of side pumping disk gain module structure of nonbonding or sintering |
-
2017
- 2017-12-29 CN CN201721893904.7U patent/CN208015067U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107895880A (en) * | 2017-12-29 | 2018-04-10 | 中国工程物理研究院应用电子学研究所 | A kind of side pumping disk gain module structure of nonbonding or sintering |
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