CN109244815A - Integrated high power bundling device - Google Patents
Integrated high power bundling device Download PDFInfo
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- CN109244815A CN109244815A CN201811133533.1A CN201811133533A CN109244815A CN 109244815 A CN109244815 A CN 109244815A CN 201811133533 A CN201811133533 A CN 201811133533A CN 109244815 A CN109244815 A CN 109244815A
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- bundling device
- bundling
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- 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
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- Optics & Photonics (AREA)
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Abstract
High power bundling device is one of required device of high-capacity optical fiber laser, and performance affects the pumping Injection Level of high-capacity optical fiber laser.The present invention discloses integrated high power bundling device, and multiple bundling devices are prepared into single device, and the high power light source that can be applied under different situations closes beam.Integrated high power bundling device of the invention reduces fusing point number, reduces energy-transmission optic fibre length, has relaxation effect to nonlinear effect to a certain extent.Since the bundling device of type of the present invention is single device, totally-enclosed waveguide transmission laser ensure that the consistency of multiple bundling devices on the whole, the stability of high-capacity optical fiber laser can be improved.
Description
Technical field
The invention belongs to optical-fiber laser fields, especially belong to high power bundling device part technical field.
Background technique
High power bundling device is one of required device of high-capacity optical fiber laser, and performance affects high-power fiber and swashs
The pumping Injection Level of light device.What current high power bundling device was commercially produced is single device, and a device only wraps
Pumping combiner, such as 4 × 1,7 × 1 model pump combiners can only be realized containing a kind of bundling device, such as pump combiner, pump/
Signal bundling device can only realize that the conjunction beam of signal light and pump light, such as (6+1) × 1, (18+1) × 1 model pumping/signal close
Beam device.And need for multiple bundling device parts to be applied in combination in the research and development and production of actual fiber laser, because being limited to pumping source
Power limit, conjunction beam can be distributed, such as the output light of low power semiconductor laser is closed through 4 × 1 type pump combiners first
After beam in the pumping arm for being injected into 7 × 1 type pump combiners, to realize the high-power injection of single armed, multikilowatt is finally realized
The injection of high power pump light；Or it is limited to the power limit of pumping semiconductor laser, it is difficult to realize using single bundling device
High-power pump light injection, first using the pumping arm for being injected into 7 × 1 type pump combiners after 4 × 1 type signal bundling devices conjunction beam
Or in (6+1) × 1 pumping/signal bundling device pumping arm, to obtain the pump light of high power high luminance.And in practical bundling device
Mutual welding is needed during part combined application, between device, fusing point not only increases loss, and each fusing point is gone back in light passing
It needs to be protected, will increase the volume of optical fiber laser in practical application.
For this purpose, the present invention discloses integrated high power bundling device, multiple bundling devices are prepared into single device, can be applied to not
Beam is closed with the high power light source in situation.Integrated high power bundling device of the invention reduces fusing point number, reduces energy-transmission optic fibre
Length has relaxation effect to nonlinear effect to a certain extent.It is totally-enclosed since the bundling device of type of the present invention is single device
Waveguide transmission laser ensure that the consistency of multiple bundling devices on the whole, and the stabilization of high-capacity optical fiber laser can be improved
Property.
Summary of the invention
The problem of the purpose of the present invention is to solve technical backgrounds and current high power bundling device part exist
Preparation defect, a kind of integrated high power bundling device is provided.Multiple bundling device parts are combined and packaged into an integrated bundling device, it can
The high-capacity optical fiber laser that is directly pumped suitable for the high-capacity optical fiber laser of different demands, such as semiconductor laser, grade
The high-capacity optical fiber laser and semiconductor laser that join pumping directly close the laser system of beam output.
Integrated high power bundling device, including N number of bundling device A, bundling device B, output output tail optical fiber.
The output optical fibre of the bundling device A is exactly the input optical fibre of the bundling device B；
The type of the bundling device B is (N+1) × 1 type bundling device or the type bundling device of N × 1.
The single armed tolerance energy ability of the bundling device B is not less than 200W, is not less than 95% through efficiency.
Its single armed tolerance of the bundling device A is not less than 100W, is not less than 92% through efficiency.
The fiber type of the output tail optical fiber is the single cladded-fiber or triple clad light of large mode field doubly clad optical fiber, big fine diameter
It is fine.
The bundling device type-A includes 2 × 1 type bundling devices, 4 × 1 type bundling devices, 7 × 1 type bundling devices.
The beneficial effects of the present invention are: integrated high power bundling device is all optical fibre structure, there is compact-sized, reliability
Height is easy to the integrated of optical fiber laser, non-maintaining.Relative to the welding combination of more bundling devices, integrated high power of the invention
Bundling device is integrated device, no fusing point, integrated level height.The bundling device part of different parameters can be selected integrated according to actual needs
Required function is realized in combination, and furthermore the type integrated high power bundling device may be implemented to commercially produce.
Detailed description of the invention
7 × 1 type integrated high power bundling device structural schematic diagram of Fig. 1
Integrated high power bundling device structural schematic diagram when Fig. 2 bundling device B selection (N+1) × 1 type
Fig. 3 bundling device B selects the type of N × 1 integrated high power bundling device structural schematic diagram
Specific embodiment
A specific embodiment of the invention is discussed in detail with reference to the accompanying drawing.
Integrated high power bundling device of the invention is that the output end of N number of bundling device A is prepared into (N+1) × 1 type or N × 1
The pumping arm of type bundling device, wherein N >=2, and be integer, form integrated high power bundling device part.
Its structure includes the input terminal that the output end of N number of bundling device A is directly prepared into bundling device B, and will close beam recently
All light sources through output tail optical fiber output.
Preferably, the bundling device A single armed tolerance is not less than 100W, is not less than 92% through efficiency, model can be with
It is 2 × 1,4 × 1,7 × 1 etc..
Preferably, bundling device B can be (N+1) × 1 type bundling device, or the type of N × 1 bundling device (N >=2), single armed
Tolerance energy ability is not less than 200W, is not less than 95% through efficiency, integrated high power bundling device structure is as shown in Figure 2 at this time.
If bundling device B be (N+1) × 1 type bundling device, model can for (2+1) × 1, (4+1) × 1, (6+1) × 1,
(18+1) × 1 etc..
If bundling device B is the type bundling device of N × 1, model can be 2 × 1,4 × 1,7 × 1 etc., and integrated high power closes at this time
Beam device structure is as shown in Figure 3.
Exporting tail optical fiber can be can be large mode field doubly clad optical fiber, or the single cladded-fiber or triple clad of big fibre diameter
Optical fiber.
4 embodiments are set forth below.
Embodiment one:
Integrated high power bundling device applied to high-capacity optical fiber laser pump coupling.As shown in Figure 1.
Bundling device A selects 4 × 1 type bundling devices, and totally 7, input optical fibre is all 105/125 μm of single cladded-fiber, numerical aperture
Diameter NA. is 0.15, and the long and slender diameter of output light is all 200/220 μm of single cladded-fiber, and numerical aperture NA. is 0.22, single armed
Tolerance power is all not less than 100W, and transmitance is all not less than 97%.
Bundling device B is 7 × 1 type bundling devices, and input optical fibre is with the output optical fibre of bundling device A, and fine diameter is 200/220 μm, number
Being worth aperture NA. is 0.22, and single armed transmitance is not less than 95%.
Output tail optical fiber is doubly clad optical fiber, and fine diameter is 20/400 μm, and numerical aperture NA. is 0.06/0.46.
The output power of its coupling for being used for 915nm or 975nm long wavelength semiconductor laser, each semiconductor laser is pressed
100W is calculated, and the pump power of about 388W can be obtained by 4 × 1 type bundling devices, and 7 tunnels amount to obtain the pump power of 2716W, then
By the pump power that 2580W can be obtained after the bundling device 2 of 7 × 1 types.It is applicable to the single-ended pumping note of high-capacity optical fiber laser
Enter.
Embodiment two:
The integrated high power bundling device of pump coupling applied to high-power fiber amplifier
Bundling device A selects 7 × 1 type bundling devices, and totally 6, input optical fibre is all 105/125 μm of single cladded-fiber, numerical value
Aperture NA. is 0.15, and the long and slender diameter of output light is all 220/242 μm of single cladded-fiber, and numerical aperture NA. is 0.22, single
Arm tolerance power is all not less than 100W, and transmitance is all not less than 92%.
Bundling device B is (6+1) × 1 type bundling device, and for input optical fibre with the output optical fibre of bundling device A, fine diameter is 220/242 μ
M, numerical aperture NA. are 0.22, and single armed transmitance is not less than 95%.
Output tail optical fiber is doubly clad optical fiber, and fine diameter is 20/400 μm, and numerical aperture NA. is 0.06/0.46.
The output power of its coupling for being used for 915nm or 975nm long wavelength semiconductor laser, each semiconductor laser is pressed
100W is calculated, and the pump power of about 644W can be obtained by 7 × 1 type bundling device A, and 6 tunnels amount to obtain the pump power of 3864W,
Again by the pump power higher than 3600W can be obtained after the bundling device B of (6+1) × 1 type.It is applicable to high-power fiber amplifier
Main amplifier stage pumping injection.
Embodiment three:
Integrated high power bundling device applied to cascaded pump high-capacity optical fiber laser
Bundling device A is 7 × 1 type bundling devices, and totally 6, input optical fibre is all 10/130 μm of doubly clad optical fiber, numerical aperture
Diameter NA. is 0.06/0.46, and the long and slender diameter of output light is all 105/125 μm, and numerical aperture NA. is 0.15, single armed tolerance power
All it is not less than 200W, transmitance is all not less than 97%.
Bundling device 2 is (6+1) × 1 type bundling device, and for input optical fibre with the output optical fibre of bundling device A, fine diameter is 105/125 μ
M, numerical aperture NA. are 0.15, and single armed transmitance is not less than 95%.
Output tail optical fiber is doubly clad optical fiber, and fine diameter is 30/250 μm, and numerical aperture NA. is 0.06/0.46.
It is used for injection of the 1018nm optical fiber laser as cascaded pump source, each 1018nm optical fiber laser output work
Rate is calculated by 200W, the pump power of about 1358W can be obtained by 7 × 1 type bundling devices, 6 tunnels amount to obtain the pumping function of 8148W
Rate, then by the pump power higher than 7700W can be obtained after the bundling device 2 of (6+1) × 1 type.It is applicable to high power cascaded pump
The main amplifier stage high brightness of fiber amplifier pumps injection.
Example IV:
Integrated high power bundling device applied to high-power semiconductor laser direct-coupling laser system
Bundling device A is 7 × 1 type bundling devices, and totally 7, input optical fibre is all 105/125 μm of single cladded-fiber, numerical value
Aperture NA. is 0.15, and the long and slender diameter of output light is all 220/242 μm of single cladded-fiber, and numerical aperture NA. is 0.22, single
Arm tolerance power is all not less than 100W, and transmitance is all not less than 92%.
Bundling device B is 7 × 1 type bundling devices, and input optical fibre is with the output optical fibre of bundling device A, and fine diameter is 220/242 μm, number
Being worth aperture NA. is 0.22, and single armed transmitance is not less than 95%.
Exporting tail optical fiber is big fine diameter list cladded-fiber, and fine diameter is 400 μm, and numerical aperture NA. is 0.22.
Its direct-coupled laser system for being used for 915nm or 975nm long wavelength semiconductor laser, each semiconductor laser
The output power of device is calculated by 100W, the pump power of about 644W can be obtained by 7 × 1 type bundling devices, 7 tunnels amount to obtain
The pump power of 4508W, then by the pump power higher than 4200W can be obtained after the bundling device 2 of 7 × 1 types.It is applicable to high power
Semiconductor laser direct-coupling laser system.
Integrated high power bundling device of the invention both can be used for High power CW optical fiber laser, be also applied for Gao Gong
Rate pulse optical fiber.
Those skilled in the art are it should be appreciated that above implementation method conjunction embodiment is intended merely to illustrate this hair
It is bright, and it is not intended as limitation of the invention, as long as within the scope of the invention, will all be fallen to variation, the modification of above example
In protection scope of the present invention.
Claims (5)
1. integrated high power bundling device, including N number of bundling device A, bundling device B, export tail optical fiber, N >=2 are integer；
It is characterized by:
Input optical fibre of the output optical fibre of the bundling device A as the bundling device B；
The type of the bundling device B includes (N+1) × 1 type bundling device or the type bundling device of N × 1；
Export the output optical fibre that tail optical fiber is the bundling device B.
2. integrated high power bundling device according to claim 1, which is characterized in that the bundling device type-A includes 2 × 1
Type bundling device, 4 × 1 type bundling devices, 7 × 1 type bundling devices.
3. integrated high power bundling device according to claim 1, which is characterized in that the bundling device A single armed tolerance
Not less than 100W, it is not less than 92% through efficiency.
4. integrated high power bundling device according to claim 1, which is characterized in that the bundling device B single armed tolerance can energy
Power is not less than 200W, is not less than 95% through efficiency.
5. integrated high power bundling device according to claim 1, which is characterized in that it is described output tail optical fiber fiber type be
The single cladded-fiber or triply coated fiber of large mode field doubly clad optical fiber, big fine diameter.
Priority Applications (1)
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| CN201811133533.1A CN109244815A (en) | 2018-09-27 | 2018-09-27 | Integrated high power bundling device |
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| CN201811133533.1A CN109244815A (en) | 2018-09-27 | 2018-09-27 | Integrated high power bundling device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110265877A (en) * | 2019-06-24 | 2019-09-20 | 淮阴工学院 | A kind of space angle closes beam semiconductor laser and its preparation process and closes Shu Fangfa |
| CN112799173A (en) * | 2021-04-01 | 2021-05-14 | 中国工程物理研究院激光聚变研究中心 | Optical fiber beam combining and splitting device |
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| CN103872559A (en) * | 2014-03-07 | 2014-06-18 | 上海交通大学 | Thulium doped all-fiber laser outputting high-power two micrometer laser |
| CN103901538A (en) * | 2012-12-28 | 2014-07-02 | 中国兵器装备研究院 | Manufacturing method of N*1 high-power fiber laser beam combiner |
| CN106654822A (en) * | 2015-11-02 | 2017-05-10 | 中国兵器装备研究院 | Integrated high power all-fiber device |
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| CN107579412A (en) * | 2017-10-31 | 2018-01-12 | 中国工程物理研究院应用电子学研究所 | A kind of high power optical fibre laser bundling device |
| US20180203186A1 (en) * | 2016-06-30 | 2018-07-19 | Fujikura Ltd. | Amplification optical fiber and laser device |
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Patent Citations (6)
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| CN103901538A (en) * | 2012-12-28 | 2014-07-02 | 中国兵器装备研究院 | Manufacturing method of N*1 high-power fiber laser beam combiner |
| CN103872559A (en) * | 2014-03-07 | 2014-06-18 | 上海交通大学 | Thulium doped all-fiber laser outputting high-power two micrometer laser |
| CN106654822A (en) * | 2015-11-02 | 2017-05-10 | 中国兵器装备研究院 | Integrated high power all-fiber device |
| US20180203186A1 (en) * | 2016-06-30 | 2018-07-19 | Fujikura Ltd. | Amplification optical fiber and laser device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110265877A (en) * | 2019-06-24 | 2019-09-20 | 淮阴工学院 | A kind of space angle closes beam semiconductor laser and its preparation process and closes Shu Fangfa |
| CN112799173A (en) * | 2021-04-01 | 2021-05-14 | 中国工程物理研究院激光聚变研究中心 | Optical fiber beam combining and splitting device |
| CN112799173B (en) * | 2021-04-01 | 2021-08-03 | 中国工程物理研究院激光聚变研究中心 | Optical fiber beam combining and splitting device |
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