CN207459393U - A kind of optical fiber cooler pan and optical fiber laser and fiber amplifier - Google Patents
A kind of optical fiber cooler pan and optical fiber laser and fiber amplifier Download PDFInfo
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- CN207459393U CN207459393U CN201721396400.4U CN201721396400U CN207459393U CN 207459393 U CN207459393 U CN 207459393U CN 201721396400 U CN201721396400 U CN 201721396400U CN 207459393 U CN207459393 U CN 207459393U
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- 239000013307 optical fiber Substances 0.000 title claims abstract description 239
- 239000000835 fiber Substances 0.000 title claims abstract description 66
- 238000001816 cooling Methods 0.000 claims description 73
- 230000003287 optical effect Effects 0.000 claims description 15
- 238000004804 winding Methods 0.000 claims description 12
- 239000011241 protective layer Substances 0.000 claims description 4
- 238000005253 cladding Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000005452 bending Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000002238 attenuated effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model provides a kind of optical fiber cooler pan and optical fiber laser and fiber amplifier.The optical fiber cooler pan is provided with runway on one side, and the runway is used to that optical fiber to be made to be around in optical fiber cooler pan along the track set；And the arrangement of the runway makes optical fiber that can only be coiled according to specific coiled structure on optical fiber cooler pan.By the way that the arrangement of runway in optical fiber cooler pan is improved, when fiber optic disc around is when on the optical fiber cooler pan, the second end of optical fiber can be laid out from the inner ring of multiple fiber turns, so that optical fiber both ends are respectively positioned on outside multiple fiber turns, optical fiber both ends need not be upturned when connecting other components, and then it is fine to solve the problems, such as that optical fiber caused by traditional coiling method institute certainty flies.Based on above-mentioned optical fiber cooler pan, the utility model additionally provides a kind of optical fiber laser and fiber amplifier.
Description
Technical Field
The utility model relates to an optical fiber technology field, in particular to optic fibre cooling disc and fiber laser and fiber amplifier.
Background
In recent years, due to the improvement of the level of manufacturing optical fibers and optical fiber passive devices, high-power optical fiber lasers and optical fiber amplifiers have been developed, and the single-fiber output power of the optical fiber lasers has been developed from tens of watts to hundreds of watts or even nearly ten thousand watts. While the level of manufacturing optical fibers and passive optical fiber devices is improved, the coiling technology of optical fibers in an optical fiber cooling plate becomes one of the short boards restricting the further development of optical fiber lasers and optical fiber amplifiers. Traditional optical fiber coiling technique is that optic fibre coils in the optic fibre cooling disc from the inner circle to the outer lane or from the outer lane to inner circle, and the fiber end of inner circle must the perk in order to connect other components and parts, and technical staff in the industry will inner circle fiber end perk with other components and parts of linking to each other be called and fly fine, nevertheless optic fibre flies fine can lead to the unable fixed of optic fibre of perk part, can't cool off, influences the system stability, restricts the further promotion of fiber laser and fiber amplifier power.
SUMMERY OF THE UTILITY MODEL
A first object of the utility model is to provide an optical fiber cooling disc, the utility model discloses it is right be used for coiling the runway of optic fibre among the optical fiber cooling disc and carry out institutional advancement, the optical fiber cooling disc can avoid traditional optic fibre to coil the method and inevitable fine problem that leads to of flying.
In order to achieve the above object, the present invention provides the following technical solutions: an optical fiber cooling disc is provided with a runway on one side, and the runway is used for enabling optical fibers to be wound on the optical fiber cooling disc along the runway; the arrangement structure of the runway enables the optical fiber to be wound on the optical fiber cooling disc only according to the following winding structure;
the coiling structure is as follows: the optical fiber is coiled clockwise from the outer ring to the inner ring from the first end of the optical fiber, and the clockwise coiling is stopped when the optical fiber is coiled to the middle section of the optical fiber, so that a 1 st coil and a 2 nd coil which are coiled clockwise from outside to inside are formed; then, winding the optical fiber from the inner ring to the outer ring in a counterclockwise manner from the middle section of the optical fiber to form an n ' th ring which is wound from inside to outside in the counterclockwise manner, a 2 ' th ring and a 1 ' th ring of optical fiber rings, wherein the m ' th ring of optical fiber rings is positioned between the m +1 th ring of optical fiber rings and the m ' th ring of optical fiber rings, the second end of the optical fiber is wound out from between the 1 st ring of optical fiber rings and the 2 nd ring of optical fiber rings, and m +1 are integers in a [1, n ] interval; or,
the optical fiber is coiled from the outer ring to the inner ring in a counterclockwise way from the first end of the optical fiber, and the counterclockwise coiling is stopped when the optical fiber is coiled to the middle section of the optical fiber, so that a 1 st and a 2 nd circles of optical fiber coils which are coiled in the counterclockwise way from the outside to the inside are formed; and then, the optical fiber is coiled clockwise from the inner ring to the outer ring from the middle section of the optical fiber to form an n ' ring, a 2 ' ring and a 1 ' ring of optical fiber which are coiled clockwise from inside to outside, the m ' ring of optical fiber is positioned between the m +1 ring of optical fiber ring and the m ' ring of optical fiber ring, the second end of the optical fiber is coiled out from between the 1 st ring of optical fiber ring and the 2 nd ring of optical fiber ring, and m +1 are integers in a [1, n ] interval.
Through the arrangement structure design with runway in the optic fibre cooling tray for above-mentioned structure, when optic fibre coil in when on the optic fibre cooling tray, the second end of optic fibre can be around going out from the inner circle of a plurality of optic fibre circles for the optic fibre both ends all are located outside a plurality of optic fibre circles, and unnecessary upwards perk when other components and parts are connected at the optic fibre both ends, and then have solved the optic fibre that traditional coiling method inevitably leads to and have flown fine problem.
Preferably, the cross section of the runway is in a shape of a U-shaped groove, a V-shaped groove or a rectangular groove.
Preferably, the shape of the optical fiber ring is a non-closed ellipse; the non-closed ellipse is composed of two parallel straight lines, a first semicircle and a second semicircle which are respectively positioned at two ends of the parallel straight lines. The shape of the optical fiber ring is designed into the non-closed ellipse, the area of the non-closed ellipse is larger than that of a circle with the same radius, and the extra area is equal to the area between two parallel lines. The non-closed elliptical area is large, so that the optical fiber ring at the innermost layer has enough space to allow the middle section of the optical fiber to reversely rotate. It will be appreciated that the runways on the fibre cooling plate should be arranged accordingly in accordance with the coiled configuration described above.
Preferably, the difference between the radii of any two adjacent first or second semicircles is equal to d, and d is greater than the diameter of the optical fiber including the thickness of the protective layer. The radius difference between any two optical fiber coils is designed to be a constant value d, so that the winding neatness of the optical fibers can be improved, the space is saved, and the compact design is realized. It will be appreciated that the runways on the fibre cooling plate should be arranged accordingly in accordance with the coiled configuration described above.
Preferably, the minimum coiling radius R of the optical fiber in each optical fiber coiln'Greater than or equal to 150 times the cladding diameter of the optical fiber. By the above definition, macrobending loss of the laser in the optical fiber can be reduced. It will be appreciated that the runways on the fibre cooling plate should be arranged accordingly in accordance with the coiled configuration described above.
A second object of the present invention is to provide a fiber laser, including first optical fiber and above arbitrary optical fiber cooling plate, the optical fiber cooling plate is a first optical fiber cooling plate.
Furthermore, the optical fiber laser also comprises a first optical passive device, two ends of the first optical fiber extend out from the first optical fiber cooling disc in parallel to the first optical fiber cooling disc, and two ends of the first optical fiber are both connected with the first optical passive device.
A third object of the present invention is to provide an optical fiber amplifier, which comprises a second optical fiber and an optical fiber cooling plate, wherein the optical fiber cooling plate is a second optical fiber cooling plate.
Furthermore, the optical fiber amplifier further comprises a second optical passive device, two ends of the second optical fiber extend out from the second optical fiber cooling disc in parallel to the second optical fiber cooling disc, and two ends of the second optical fiber are both connected with the second optical passive device.
Compared with the prior art, the utility model provides an optical fiber cooling plate improves through the arrangement structure to the runway, when optical fiber coil in when the optical fiber cooling plate was last, the second end of optic fibre can be around out from the inner circle of a plurality of optic fibre circles for the optic fibre both ends all are located outside a plurality of optic fibre circles, and other components and parts needn't upwards perk when connecting at the optic fibre both ends, and then have solved the optic fibre that traditional coiling method inevitably leads to and have flown fine problem.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to these drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of an optical fiber cooling plate according to the present invention.
Fig. 2 is a schematic cross-sectional view of a runway according to the present invention.
Fig. 3 is a schematic diagram of a single optical fiber ring according to the present invention.
Fig. 4 is a schematic structural diagram of a fiber laser provided by the present invention.
Fig. 5 is a schematic structural diagram of an optical fiber amplifier according to the present invention.
The reference numbers in the figures illustrate:
5-optical fiber cooling plate; 10-a runway; 11-a first optical fiber; 12-a first fiber cooling plate; 13-a first optically passive device; 21-a second optical fiber; 22-a second fiber cooling plate; 23-second optically passive device.
Detailed Description
The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the drawings in the embodiment of the present invention. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without any inventive work belong to the protection scope of the present invention.
Example 1:
referring to fig. 1 to 3, in the present embodiment, an optical fiber cooling plate 5 is provided, where a runway 10 is disposed on one side of the optical fiber cooling plate 5, and the runway 10 is used for winding an optical fiber on the optical fiber cooling plate 5 along the runway 10; the arrangement structure of the runway 10 enables the optical fiber to be wound on the optical fiber cooling disc 5 only according to the following winding structure;
the coiling structure is as follows: the optical fiber is coiled clockwise from the outer ring to the inner ring from the first end of the optical fiber, and the clockwise coiling is stopped when the optical fiber is coiled to the middle section of the optical fiber, so that a 1 st coil and a 2 nd coil which are coiled clockwise from outside to inside are formed; then, winding the optical fiber from the inner ring to the outer ring in a counterclockwise manner from the middle section of the optical fiber to form an n ' th ring which is wound from inside to outside in the counterclockwise manner, a 2 ' th ring and a 1 ' th ring of optical fiber rings, wherein the m ' th ring of optical fiber rings is positioned between the m +1 th ring of optical fiber rings and the m ' th ring of optical fiber rings, the second end of the optical fiber is wound out from between the 1 st ring of optical fiber rings and the 2 nd ring of optical fiber rings, and m +1 are integers in a [1, n ] interval; or,
the optical fiber is coiled from the outer ring to the inner ring in a counterclockwise way from the first end of the optical fiber, and the counterclockwise coiling is stopped when the optical fiber is coiled to the middle section of the optical fiber, so that a 1 st and a 2 nd circles of optical fiber coils which are coiled in the counterclockwise way from the outside to the inside are formed; and then, the optical fiber is coiled clockwise from the inner ring to the outer ring from the middle section of the optical fiber to form an n ' ring, a 2 ' ring and a 1 ' ring of optical fiber which are coiled clockwise from inside to outside, the m ' ring of optical fiber is positioned between the m +1 ring of optical fiber ring and the m ' ring of optical fiber ring, the second end of the optical fiber is coiled out from between the 1 st ring of optical fiber ring and the 2 nd ring of optical fiber ring, and m +1 are integers in a [1, n ] interval.
Through the arrangement structure design with runway 10 in the optic fibre cooling tray 5 for above-mentioned structure, when optic fibre coil in when optic fibre cooling tray 5 is last, the second end of optic fibre can be around going out from the inner circle of a plurality of optic fibre circles for the optic fibre both ends all are located outside a plurality of optic fibre circles, and unnecessary upwards perk when other components and parts are connected at the optic fibre both ends, and then have solved the optic fibre that traditional coiling method inevitably leads to and have flown fine problem.
Referring to fig. 2, the cross-sectional shape of the racetrack 10 is configured as a U-shaped groove, into which the optical fiber is snapped during fiber winding, by way of example. But not limited thereto, the cross-sectional shape of the runway 10 may also be a V-groove or a rectangular groove.
Referring to fig. 3, in the present embodiment, in order to ensure that the innermost optical fiber coil has enough space to allow the middle section of the optical fiber to reversely rotate during the optical fiber winding, the shape of each optical fiber coil may be a non-closed ellipse. The non-closed ellipse is composed of two parallel straight lines, a first semicircle and a second semicircle which are respectively positioned at two ends of the parallel straight lines. The shape of the optical fiber ring is designed into the non-closed ellipse, the area of the non-closed ellipse is larger than that of a circle with the same radius, and the extra area is equal to the area between two parallel lines. The non-closed elliptical area is large, so that the optical fiber ring at the innermost layer has enough space to allow the middle section of the optical fiber to reversely rotate. It will be appreciated that the runways 10 on the fibre cooling plate 5 should be arranged accordingly according to the above described coiled configuration.
Referring to fig. 1, in order to improve the winding smoothness of the optical fiber, save space and achieve a compact design, the radius difference between any two adjacent first semicircles or second semicircles in this embodiment is equal to d, and d is greater than the diameter of the optical fiber including the thickness of the protective layer. Specifically, each radius in fig. 1 satisfies the following formula: rn-Rn'＝Rm-Rm'＝R1-R1'D > fiber diameter (thickness of protective layer)
It will be appreciated that the runways 10 on the fibre cooling plate 5 should be arranged accordingly according to the above described coiled configuration.
Considering that bending of the optical fiber affects the optical fiberAnd meanwhile, the bending of the optical fiber can cause macrobending loss, so that a part of laser escapes from the fiber core of the optical fiber, and the laser is attenuated. Therefore, in this embodiment, the minimum winding radius R of the optical fiber in each optical fiber coiln'As determined by empirical rules, and the minimum bend radius of the fiber is no more than 150 times the diameter of the fiber cladding. It will be appreciated that the runways 10 on the fibre cooling plate 5 should be arranged accordingly according to the above described coiled configuration.
And the other surface of the optical fiber cooling disc 5 is also provided with an air cooling or water cooling device for cooling the optical fiber wound on the optical fiber cooling disc 5.
Example 2:
referring to fig. 4, the present embodiment provides a fiber laser, where the fiber laser includes a first optical fiber 11 and the optical fiber cooling plate described in embodiment 1, and the optical fiber cooling plate is the first optical fiber cooling plate.
The optical fiber laser further comprises a first optical passive device 13, wherein the first optical passive device 13 is a pumping source, an optical fiber coupler and the like. Two ends of the first optical fiber 11 extend out of the first optical fiber cooling disc 12 in parallel to the first optical fiber cooling disc 12, and two ends of the first optical fiber 11 are both connected with the first optical passive device 13. It should be understood that fiber lasers are well established prior art, so the present embodiment will not be described in detail with respect to its structure.
Example 3:
referring to fig. 5, the present embodiment provides an optical fiber amplifier, where the optical fiber laser includes a second optical fiber 21 and the optical fiber cooling plate described in embodiment 1, and the optical fiber cooling plate is the second optical fiber cooling plate.
The optical fiber amplifier further comprises a second optical passive device 23, wherein the second optical passive device 23 is a pump source, an optical fiber coupler, or the like. Two ends of the second optical fiber 21 extend out of the second optical fiber cooling disc 22 in parallel to the second optical fiber cooling disc 22, and two ends of the second optical fiber 21 are both connected with the second optical passive device 23. It should be understood that the optical fiber amplifier is well-established prior art, so the structure thereof will not be described in detail in this embodiment.
The above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of changes or substitutions within the technical scope of the present invention, and the present invention should be covered by the scope of the present invention.
Claims (9)
1. An optical fiber cooling disc is characterized in that a runway is arranged on one side of the optical fiber cooling disc, and the runway is used for enabling optical fibers to be wound on the optical fiber cooling disc along the runway; the arrangement structure of the runway enables the optical fiber to be wound on the optical fiber cooling disc only according to the following winding structure;
the coiling structure is as follows: the optical fiber is coiled clockwise from the outer ring to the inner ring from the first end of the optical fiber, and the clockwise coiling is stopped when the optical fiber is coiled to the middle section of the optical fiber, so that a 1 st coil and a 2 nd coil which are coiled clockwise from outside to inside are formed; then, winding the optical fiber from the inner ring to the outer ring in a counterclockwise manner from the middle section of the optical fiber to form an n ' th ring which is wound from inside to outside in the counterclockwise manner, a 2 ' th ring and a 1 ' th ring of optical fiber rings, wherein the m ' th ring of optical fiber rings is positioned between the m +1 th ring of optical fiber rings and the m ' th ring of optical fiber rings, the second end of the optical fiber is wound out from between the 1 st ring of optical fiber rings and the 2 nd ring of optical fiber rings, and m +1 are integers in a [1, n ] interval; or,
the optical fiber is coiled from the outer ring to the inner ring in a counterclockwise way from the first end of the optical fiber, and the counterclockwise coiling is stopped when the optical fiber is coiled to the middle section of the optical fiber, so that a 1 st and a 2 nd circles of optical fiber coils which are coiled in the counterclockwise way from the outside to the inside are formed; and then, the optical fiber is coiled clockwise from the inner ring to the outer ring from the middle section of the optical fiber to form an n ' ring, a 2 ' ring and a 1 ' ring of optical fiber which are coiled clockwise from inside to outside, the m ' ring of optical fiber is positioned between the m +1 ring of optical fiber ring and the m ' ring of optical fiber ring, the second end of the optical fiber is coiled out from between the 1 st ring of optical fiber ring and the 2 nd ring of optical fiber ring, and m +1 are integers in a [1, n ] interval.
2. The optical fiber cooling plate of claim 1, wherein the cross-sectional shape of the racetrack is a U-shaped groove, a V-shaped groove, or a rectangular groove.
3. The optical fiber cooling plate of claim 2, wherein the optical fiber ring has a non-closed elliptical shape; the non-closed ellipse is composed of two parallel straight lines, a first semicircle and a second semicircle which are respectively positioned at two ends of the parallel straight lines.
4. The optical fiber cooling plate of claim 3, wherein the difference between the radii of any two adjacent first or second semicircles is equal to d, and d is greater than the diameter of the optical fiber including the thickness of the protective layer.
5. The optical fiber cooling plate of claim 3, wherein the minimum coiling radius R of the optical fiber in each optical fiber coiln'Greater than or equal to 150 times the cladding diameter of the optical fiber.
6. A fiber laser comprising a first optical fiber and the optical fiber cooling plate according to any one of claims 1 to 5, wherein the optical fiber cooling plate is the first optical fiber cooling plate.
7. The fiber laser of claim 6, further comprising a first passive optical device, wherein two ends of the first optical fiber protrude from the first fiber cooling plate in parallel with the first fiber cooling plate, and the first passive optical device is connected to two ends of the first optical fiber.
8. An optical fiber amplifier comprising a second optical fiber and the optical fiber cooling plate according to any one of claims 1 to 5, wherein the optical fiber cooling plate is the second optical fiber cooling plate.
9. The optical fiber amplifier of claim 8, further comprising a second optical passive device, wherein two ends of the second optical fiber protrude from the second optical fiber cooling plate in parallel with the second optical fiber cooling plate, and the second optical passive device is connected to two ends of the second optical fiber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721396400.4U CN207459393U (en) | 2017-10-25 | 2017-10-25 | A kind of optical fiber cooler pan and optical fiber laser and fiber amplifier |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721396400.4U CN207459393U (en) | 2017-10-25 | 2017-10-25 | A kind of optical fiber cooler pan and optical fiber laser and fiber amplifier |
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| CN207459393U true CN207459393U (en) | 2018-06-05 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111498601A (en) * | 2020-04-17 | 2020-08-07 | 武汉锐科光纤激光技术股份有限公司 | Runway-shaped optical fiber coiling machine and runway-shaped optical fiber coiling method |
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2017
- 2017-10-25 CN CN201721396400.4U patent/CN207459393U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111498601A (en) * | 2020-04-17 | 2020-08-07 | 武汉锐科光纤激光技术股份有限公司 | Runway-shaped optical fiber coiling machine and runway-shaped optical fiber coiling method |
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Address after: 610000 Room 302, tower 1a, Jingrong start up hub, No. 200, Tianfu Fifth Street, high tech Zone, Chengdu, Sichuan Patentee after: Sichuan Sichuang Laser Technology Co.,Ltd. Address before: 610000 Room 302, tower 1a, Jingrong start up hub, No. 200, Tianfu Fifth Street, high tech Zone, Chengdu, Sichuan Patentee before: SICHUAN STRONG & BEST LIGHT TECHNOLOGY CO.,LTD. |