CN209200365U - Two-way coherent combining laser device - Google Patents
Two-way coherent combining laser device Download PDFInfo
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- CN209200365U CN209200365U CN201822121345.9U CN201822121345U CN209200365U CN 209200365 U CN209200365 U CN 209200365U CN 201822121345 U CN201822121345 U CN 201822121345U CN 209200365 U CN209200365 U CN 209200365U
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Abstract
The utility model discloses a kind of two-way coherent combining laser devices.It is made of cavity mirror and pumping component, and pumping component is made of working-laser material, laser pump cavity and driving source；Wherein, cavity mirror is the first total reflective mirror (M1) that the film that is all-trans is plated on surface, second total reflective mirror (M2), third total reflective mirror (M3) and 45 angle ゜ total reflective mirrors (M4), and one side plating anti-reflection film, 45 ゜ angle semi-reflective mirrors (M5) of the another side plating 50% through film, one end of the first pumping component (1) transmitting optical path in pumping component is equipped with the first total reflective mirror (M1), the other end is equipped with 45 angle ゜ total reflective mirrors (M4), 45 angle ゜ semi-reflective mirrors (M5) and third total reflective mirror (M3), one end of second pumping component (2) transmitting optical path is equipped with the second total reflective mirror (M2), the other end is equipped with 45 angle ゜ semi-reflective mirrors (M5), third total reflective mirror (M3) and 45 angle ゜ total reflective mirrors (M4).It is extremely easy to widely commercial applications in fields such as illumination, industrial processes and national defence.
Description
Technical field
The utility model relates to a kind of combining laser device, especially a kind of two-way coherent combining laser device.
Background technique
As what laser was applied on all fields of national economy and national defence deepens continuously, people are to high power output laser
Attention rate it is also increasing.
Currently, the technical solution for improving laser output energy, which mainly has through series laser device, improves gain, or logical
Laser amplification technique is crossed to increase the diameter of working-laser material, or by multichannel coupling technique to obtain high energy laser.This
Though a little technical solutions can obtain higher laser energy output, not only depended on based on function and effect of the high energy laser to target
In the output power of laser, also there is close relationship with the beam quality of laser, i.e. beam quality is high energy laser
The reason of one important performance indicator, but also there is shortcomings, firstly, the gain that serial connection technology is limited to laser is full
With limit laser output energy and further increase；Secondly, amplifying technique in improve laser output energy while,
The model volume of laser is consequently increased, and the output brightness of laser does not increase；Again, the raising of multichannel coupling technique is only
The output energy of laser, the brightness of laser are not improved, and overall beam quality has dropped instead；That is prior art difference journey
There is high light beam quality on degree ground --- and high brightness is difficult to export the problem obtained simultaneously with high-energy.
Utility model content
The technical problems to be solved in the utility model is to overcome the limitation of above-mentioned various technical solutions, provides a kind of structure
Rationally, the two-way coherent combining laser device of high-energy and high brightness output can be obtained simultaneously.
The technical issues of to solve the utility model, used technical solution are that two-way coherent combining laser device is by humorous
It shakes resonant reflec-tors and pumping component therebetween forms, pumping component therein is by working-laser material, laser pump cavity and driving source structure
At especially:
The cavity mirror be surface be coated with the first total reflective mirror of the film that is all-trans, the second total reflective mirror, third total reflective mirror and
45 angle ゜ total reflective mirrors, and be coated with anti-reflection film on one side, another side be coated with 50% through film 45 angle ゜ semi-reflective mirrors；
The pumping component is the identical first pumping component of Pumping parameters and the second pumping component；
One end of the first pumping component transmitting optical path is equipped with the first total reflective mirror, and the other end is equipped with 45 angle ゜ total reflective mirrors, 45
The angle ゜ semi-reflective mirror and third total reflective mirror；
One end of the second pumping component transmitting optical path is equipped with the second total reflective mirror, and the other end is equipped with 45 angle ゜ semi-reflective mirrors, the
Three total reflective mirrors and 45 angle ゜ total reflective mirrors.
Further improvement as two-way coherent combining laser device:
Preferably, what the surface of 45 angle ゜ total reflective mirrors was coated with is all-trans film for 45 ° of films that are all-trans.
Preferably, the anti-reflection film of 45 angle ゜ semi-reflective mirrors being coated on one side is 45 ° of anti-reflection films.
Preferably, Pumping parameters are the length and diameter of working-laser material, the material and size of laser pump cavity, and excitation
The type and pump power in source.
Preferably, the first pumping component and the second pumping component are that solid laser pump component or total solidifying laser pump
Component.
Preferably, solid laser pump component is Nd:YAG solid laser pump component.
Beneficial effect compared with the existing technology is:
With such a structure, the characteristics such as phase, light intensity, polarization and the spectrum that the utility model is had based on laser,
On the basis of selection Pumping parameters identical two pumpings component, the folding for constituting the optical element of cavity mirror is utilized
It penetrates, reflect and diffraction effect, the laser that multiple beam unit laser has not only been coupled into a branch of higher power is exported, is also increased simultaneously
The brightness of laser and beam quality is improved, so that the overall performance of laser is obtained great promotion.Through using Nd:YAG
Solid laser pump component carries out experimental verification as the pumping component of the utility model, fullys meet purpose --- output
Coherent coupling laser energy or power be that a pumping component and the single only existing laser of cavity mirror composition are transported
Twice when row, and beam diameter is constant, the angle of divergence is constant, brightness also increases twice.To make the utility model be extremely easy to
Widely commercial applications are in fields such as illumination, industrial processes and national defence, and can also expand to multichannel Coherent coupling light source.
Detailed description of the invention
Fig. 1 is a kind of basic structure schematic diagram of the utility model.
Specific embodiment
The preferred embodiment of the utility model is described in further detail with reference to the accompanying drawing.
Referring to Fig. 1, the composition of two-way coherent combining laser device is as follows:
Pumping component of the utility model by cavity mirror and therebetween forms, and pumping component therein is by laser work
Substance, laser pump cavity and driving source are constituted；Wherein:
Cavity mirror is the first total reflective mirror M1, the second total reflective mirror M2, third total reflective mirror M3 that surface is coated with the film that is all-trans
With 45 angle ゜ total reflective mirror M4, and be coated with anti-reflection film on one side, another side be coated with 50% through film 45 angle ゜ semi-reflective mirror M5；It is therein
What the surface of 45 angle ゜ total reflective mirror M4 was coated with is all-trans film for 45 ° of films that are all-trans, and the anti-reflection film of 45 angle ゜ semi-reflective mirror M5 being coated on one side is
45 ° of anti-reflection films.
Pumping component is the identical first pumping component 1 of Pumping parameters and the second pumping component 2；Pumping parameters therein are
The length and diameter of working-laser material, the material and size of laser pump cavity and the type of driving source and pump power.
One end that first pumping component 1 emits optical path is equipped with the first total reflective mirror M1, the other end be equipped with 45 angle ゜ total reflective mirror M4,
45 angle ゜ semi-reflective mirror M5 and third total reflective mirror M3；It is therein first pumping component 1 be solid laser pump component (or all solidstate swash
Optical pumping component), specially Nd:YAG solid laser pump component.
One end that second pumping component 2 emits optical path is equipped with the second total reflective mirror M2, the other end be equipped with 45 angle ゜ semi-reflective mirror M5,
Third total reflective mirror M3 and 45 angle ゜ total reflective mirror M4；It is therein second pumping component 2 be solid laser pump component (or all solidstate swash
Optical pumping component), specially Nd:YAG solid laser pump component.
It is anti-by the first total reflective mirror M1, the first pumping component 1,45 angle ゜ total reflective mirror M4,45 angles ゜ half when utility model works
After the laser for the first laser component output that mirror M5 and third total reflective mirror M3 is constituted reaches 45 angle ゜ semi-reflective mirror M5, in energy
50% penetrates 45 angle ゜ semi-reflective mirror M5 to third total reflective mirror M3 through 45 angle ゜ semi-reflective mirror M5 reflection output, another 50%, and complete by third
It after anti-mirror M3 is reflected back 45 angle ゜ semi-reflective mirror M5, then is broken it into two by 45 angle ゜ semi-reflective mirror M5, i.e., 25%, which feeds back to second, swashs
Light component, another 25% feed back to first laser component.
Equally, complete by the second total reflective mirror M2, the second pumping component 2,45 angle ゜ semi-reflective mirror M5, third total reflective mirror M3 and 45 angles ゜
The second laser component that anti-mirror M4 is constituted exports 50% in laser energy through 45 angle ゜ semi-reflective mirror M5 output, another 50% quilt
45 angle ゜ semi-reflective mirror M5 reflex to third total reflective mirror M3, and after being reflected back 45 angle ゜ semi-reflective mirror M5 by third total reflective mirror M3, then by 45 ゜
Angle semi-reflective mirror M5 breaks it into two, i.e., 25% feeds back to second laser component, another 25% feeds back to first laser component.
The laser energy for the utility model final output being assembled by first laser component and second laser component is by defeated
Four 25% exported after out two 50%, and feedback are coupled to form, i.e. coupling becomes 200% Coherent coupling laser 3
Output.
Obviously, those skilled in the art can two-way coherent combining laser device to the utility model carry out various changes
With modification without departing from the spirit and scope of the utility model.If in this way, to these modifications and variations of the present invention category
Within the scope of the claims of the present invention and its equivalent technology, then the utility model is also intended to encompass these changes and becomes
Including type.
Claims (6)
1. a kind of two-way coherent combining laser device, pumping component by cavity mirror and therebetween is formed, pumping group therein
Part is made of working-laser material, laser pump cavity and driving source, it is characterised in that:
The cavity mirror is all-trans for the first total reflective mirror (M1), the second total reflective mirror (M2), third that surface is coated with the film that is all-trans
Mirror (M3) and 45 angle ゜ total reflective mirrors (M4), and be coated with anti-reflection film on one side, another side be coated with 50% through film 45 angle ゜ semi-reflective mirrors
(M5)；
The pumping component is identical first pumping component (1) of Pumping parameters and the second pumping component (2)；
One end of first pumping component (1) the transmitting optical path is equipped with the first total reflective mirror (M1), and the other end is equipped with 45 angle ゜ total reflective mirrors
(M4), 45 angle ゜ semi-reflective mirrors (M5) and third total reflective mirror (M3)；
One end of second pumping component (2) the transmitting optical path is equipped with the second total reflective mirror (M2), and the other end is equipped with 45 angle ゜ semi-reflective mirrors
(M5), third total reflective mirror (M3) and 45 angle ゜ total reflective mirrors (M4).
2. two-way coherent combining laser device according to claim 1, it is characterized in that the surface of 45 angle ゜ total reflective mirrors (M4) is coated with
Be all-trans film be 45 ° of films that are all-trans.
3. two-way coherent combining laser device according to claim 1, it is characterized in that 45 angle ゜ semi-reflective mirror (M5's) is coated on one side
Anti-reflection film be 45 ° of anti-reflection films.
4. two-way coherent combining laser device according to claim 1, it is characterized in that Pumping parameters are working-laser material
Length and diameter, the material and size of laser pump cavity and the type of driving source and pump power.
5. two-way coherent combining laser device according to claim 1, it is characterized in that the first pumping component (1) and the second pumping
Component (2) is that solid laser pump component or total solidifying laser pump component.
6. two-way coherent combining laser device according to claim 5, it is characterized in that solid laser pump component is Nd:YAG
Solid laser pump component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822121345.9U CN209200365U (en) | 2018-12-18 | 2018-12-18 | Two-way coherent combining laser device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822121345.9U CN209200365U (en) | 2018-12-18 | 2018-12-18 | Two-way coherent combining laser device |
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| Publication Number | Publication Date |
|---|---|
| CN209200365U true CN209200365U (en) | 2019-08-02 |
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| CN201822121345.9U Active CN209200365U (en) | 2018-12-18 | 2018-12-18 | Two-way coherent combining laser device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109449738A (en) * | 2018-12-18 | 2019-03-08 | 中国科学院合肥物质科学研究院 | Two-way coherent combining laser device |
-
2018
- 2018-12-18 CN CN201822121345.9U patent/CN209200365U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109449738A (en) * | 2018-12-18 | 2019-03-08 | 中国科学院合肥物质科学研究院 | Two-way coherent combining laser device |
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