CN205500457U - Drum device of active optical fibre - Google Patents
Drum device of active optical fibre Download PDFInfo
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- CN205500457U CN205500457U CN201620229650.8U CN201620229650U CN205500457U CN 205500457 U CN205500457 U CN 205500457U CN 201620229650 U CN201620229650 U CN 201620229650U CN 205500457 U CN205500457 U CN 205500457U
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- optical fiber
- heat dissipation
- active optical
- dissipation plate
- optical fibre
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The utility model discloses a drum device of active optical fibre, drum device of active optical fibre includes: the heat dissipation dish, the heat dissipation dish is runway type structure, and heat dissipation dish inner wall is the inclined plane, the inclined plane is provided with the recess that is used for the active optical fibre to coil to certain interval has between the adjacent recess. The utility model discloses not only can make the better heat dissipation of active optical fibre, the fiber reel is unfolded naturally around the in -process and is avoided the fixed compressive stress that leads to the fact of external force in addition, simultaneously the utility model discloses the fiber reel is little around interior external conjugate diameter difference, realizes the effective filtering of higher order mode laser, obtains high optical quality's nearly basic mode laser output.
Description
Technical field
This utility model relates to the winding device of a kind of Active Optical Fiber, is mainly used in high-capacity optical fiber laser or fiber amplifier.
Background technology
In high-capacity optical fiber laser or fiber amplifier work process, dopant ion absorptive pumping light in its Active Optical Fiber excites the Output of laser of respective wavelength, quite a few energy is had to produce the most in a fiber in excitation process, if the heat accumulated in a fiber can not shed in time, the stability of output light can be affected, even burn out optical fiber.At present, the coiling of Active Optical Fiber mainly has two ways: a kind of method is to be coiled in by Active Optical Fiber on the flat board of smooth aluminium material, the heat radiation of Active Optical Fiber is realized by fitting tightly of optical fiber and aluminium sheet, owing to optical fiber coils in the plane, in optical fiber coiling process, easily occur that the juxtaposition of optical fiber causes heat radiation uneven, simultaneously fiber reel around after the fixing difficulty of whole fiber reel, bearing easily produces certain compressive stress, affects the uniformity of optical fiber heat radiation；Another kind of method is to be coiled in by Active Optical Fiber on smooth cylinder or vertebral body, avoid being overlapping of optical fiber in coiling process, realize the Homogeneouslly-radiating of optical fiber, but in order to ensure that optical fiber typically requires pulling force certain to optical fiber in coiling process with cylinder or combining closely of vertebral body, the generation of whole inside of optical fibre stress affects the stability of long-term work.
Summary of the invention
Technical problem to be solved in the utility model is the defect overcoming prior art, the winding device of a kind of Active Optical Fiber is provided, it can not only make optical fiber preferably dispel the heat, and it can be avoided that optical fiber to be caused when optical fiber uses external force to fix the phenomenon of compressive stress, optical fiber is made naturally to unfold, effectively to reduce optical fiber drum inner and outer diameter poor for racetrack radiator structure simultaneously, it is achieved high-order mode laser filters, it is thus achieved that the nearly basic mode laser output of high light beam quality.
In order to solve above-mentioned technical problem, the technical solution of the utility model is: the winding device of a kind of Active Optical Fiber, and it includes that body, described body have:
Heat dissipation plate, described heat dissipation plate is racetrack structure, and the internal face of described heat dissipation plate is inclined-plane, the inwall inclined-plane of described heat dissipation plate is provided with the accommodating structure making optical fiber be fitted on heat dissipation plate for coiled fiber, and between the adjacent turn of the optical fiber on accommodating structure, there is interval.
Further, described accommodating structure is the semi-circular recesses being arranged on internal face and arranging in coil-shape from bottom to top, and the diameter of described semi-circular recesses and optical fiber matches.
Further for high efficiency and heat radiation is better achieved, in described heat dissipation plate, it is provided with coolant guiding channel.
Further, described heat dissipation plate is made up of aluminum.
Further, minimum bending radius R at described heat dissipation plate both ends is 5-7cm, and optical fiber drum inner and outer diameter difference is little, it is achieved nearly basic mode laser output, effectively optimizes output beam quality.
This utility model additionally provides containing in method for fiber, the step of the method for the winding device of a kind of Active Optical Fiber: be coiled in the most successively by optical fiber in the accommodating structure on the inwall inclined-plane of heat dissipation plate, relies on the tension force of optical fiber self to be fixed in groove.
After have employed technique scheme, Active Optical Fiber is coiled in the groove on the internal face of this winding device, bottom portion of groove is and the semicircular structure of fibre diameter coupling, a fixed gap is there is between adjacent fiber, effectively increase Active Optical Fiber and the contact area of aluminum matter device, increasing heat radiation area, additionally semi-circular recesses is positioned on winding device inwall inclined-plane, in coiling process, optical fiber self produces certain tension force, being fixed on close fiber optic in groove, optical fiber need not use external force to fix, efficiently solve the compressive stress that optical fiber uses external force when fixing to cause optical fiber, naturally unfolding of optical fiber can be kept simultaneously；It addition, in 500W, 1KW high-capacity optical fiber laser higher to cooling requirements is applied, coolant guiding channel can be arranged in heat dissipation plate and realizes high efficiency and heat radiation by medium fluid cooling system.
Meanwhile, use the drum of racetrack structure effectively to reduce optical fiber Internal and external cycle fiber reel around diameter difference, by the optimization of two ends circle regional diameter, higher order mode is transmitted laser and effectively filters, it is achieved the output of nearly basic mode laser, effectively promote the beam quality of Output of laser.
Accompanying drawing explanation
Fig. 1 is the structural representation of the winding device of Active Optical Fiber of the present utility model；
Fig. 2 is the partial sectional view of the winding device of Active Optical Fiber of the present utility model；
Fig. 3 is the bending loss in the zlasing mode transmitting procedure of each rank of the present utility model and the graph of a relation of bending radius.
Detailed description of the invention
In order to make content of the present utility model be easier to be clearly understood, below according to specific embodiment and combine accompanying drawing, this utility model is described in further detail.
As shown in Figures 1 to 3, the winding device of a kind of Active Optical Fiber, it includes that body, described body have:
Heat dissipation plate 11, described heat dissipation plate 11 is racetrack structure, and the internal face of described heat dissipation plate 11 is inclined-plane, it is provided with on the inwall inclined-plane of described heat dissipation plate 11 between the accommodating structure for making optical fiber 21 be fitted on heat dissipation plate 11, and the adjacent turn of the optical fiber 21 on accommodating structure and there is interval.
As shown in Figures 1 to 3, described accommodating structure is the semi-circular recesses 12 being arranged on inwall inclined-plane and arranging in coil-shape from bottom to top, and the diameter of described semi-circular recesses 12 and optical fiber 21 matches.
As shown in Figures 1 to 3, described heat dissipation plate 11 is racetrack structure, but it is not limited to this, use racetrack structure drum effectively improve fiber reel around diameter, reduce optical fiber inner and outer diameter difference in coiling process, the laser of each order mode bending loss in transmitting procedure increases with bending radius and strongly reduces, the laser output of the beam quality for having obtained need to use little bending radius, in the border circular areas at optical fiber drum device two ends of the present utility model, the reduction of bending diameter makes the laser of higher order mode be lost big in transmitting procedure and be filtered, finally output light is nearly basic mode laser, realize the output of high light beam quality laser.
As in figure 2 it is shown, be provided with coolant guiding channel 22 in described heat dissipation plate 11.In 500W, 1KW high-capacity optical fiber laser higher to cooling requirements is applied, in heat dissipation plate 11, coolant guiding channel 22 can be set and realize high efficiency and heat radiation by cooling medium fluid for radiating heat system.
Described heat dissipation plate 11 is made up of aluminum, but is not limited to this.
The minimum bending radius at the both ends of described heat dissipation plate 11 is 5-7cm.
The winding device of Active Optical Fiber around method for fiber, it is characterized in that the step of the method contains: be coiled in the most successively in the accommodating structure on the internal face of heat dissipation plate 11 by optical fiber 21, rely on the tensile stress of self in optical fiber coiling process to be fixed in semi-circular recesses.
Operation principle of the present utility model is as follows:
In the groove 12 that Active Optical Fiber is coiled on the internal face of this winding device, groove 12 is and the semicircular structure of optical fiber 21 diameter matches, a fixed gap is there is between adjacent fiber 21, effectively increase Active Optical Fiber and the contact area of aluminum matter device, increasing heat radiation area, it is positioned on the inclined-plane of winding device inwall additionally, due to groove 12, in coiling process, optical fiber self produces certain tension force, optical fiber 21 is fixed in groove closely, optical fiber 21 need not use external force to fix, efficiently solve compressive stress when optical fiber 21 uses external force to fix, optical fiber caused, naturally unfolding in optical fiber 21 coiling process can be kept.Use racetrack structure, reduce optical fiber drum inner and outer diameter poor, by the optimization of two ends drum diameter, effectively filter out higher order mode laser, it is thus achieved that nearly basic mode laser output, promote the beam quality of Output of laser.
Particular embodiments described above; solve the technical problem that this utility model, technical scheme and beneficial effect are further described; it is it should be understood that; the foregoing is only specific embodiment of the utility model; it is not limited to this utility model; all within spirit of the present utility model and principle, any modification, equivalent substitution and improvement etc. done, within should be included in protection domain of the present utility model.
Claims (5)
1. the winding device of an Active Optical Fiber, it is characterised in that it includes that body, described body have:
Heat dissipation plate (11), described heat dissipation plate (11) is racetrack structure, and the internal face of described heat dissipation plate (11) is inclined-plane, it is provided with on the inwall inclined-plane of described heat dissipation plate (11) between the accommodating structure for making optical fiber (21) be fitted on heat dissipation plate (11), and the adjacent turn of the optical fiber (21) being positioned on accommodating structure and there is interval.
The winding device of Active Optical Fiber the most according to claim 1, it is characterized in that: described accommodating structure is the groove (12) being arranged on inwall inclined-plane and arranging in coil-shape from bottom to top, and the diameter of described groove (12) and optical fiber (21) matches.
The winding device of Active Optical Fiber the most according to claim 1, it is characterised in that: it is provided with coolant guiding channel (22) in described heat dissipation plate (11).
The winding device of Active Optical Fiber the most according to claim 1, it is characterised in that: described heat dissipation plate (11) is made up of aluminum.
The winding device of Active Optical Fiber the most according to claim 1, it is characterised in that: minimum bending radius R at the both ends of described heat dissipation plate (11) is 5-7cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620229650.8U CN205500457U (en) | 2016-03-24 | 2016-03-24 | Drum device of active optical fibre |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620229650.8U CN205500457U (en) | 2016-03-24 | 2016-03-24 | Drum device of active optical fibre |
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| Publication Number | Publication Date |
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| CN205500457U true CN205500457U (en) | 2016-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620229650.8U Active CN205500457U (en) | 2016-03-24 | 2016-03-24 | Drum device of active optical fibre |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105731188A (en) * | 2016-03-24 | 2016-07-06 | 江苏天元激光科技有限公司 | Winding device for active optical fiber and fiber winding method |
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2016
- 2016-03-24 CN CN201620229650.8U patent/CN205500457U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105731188A (en) * | 2016-03-24 | 2016-07-06 | 江苏天元激光科技有限公司 | Winding device for active optical fiber and fiber winding method |
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