CN111273405A - Optical fiber arrangement device, optical fiber bundle manufacturing method and optical fiber combiner - Google Patents
Optical fiber arrangement device, optical fiber bundle manufacturing method and optical fiber combiner Download PDFInfo
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- CN111273405A CN111273405A CN202010257880.6A CN202010257880A CN111273405A CN 111273405 A CN111273405 A CN 111273405A CN 202010257880 A CN202010257880 A CN 202010257880A CN 111273405 A CN111273405 A CN 111273405A
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/3604—Rotary joints allowing relative rotational movement between opposing fibre or fibre bundle ends
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/255—Splicing of light guides, e.g. by fusion or bonding
Abstract
The application discloses an optical fiber arrangement device, an optical fiber bundle manufacturing method and an optical fiber combiner. The optical fiber arrangement device comprises a positioning piece, a positioning piece and a control piece, wherein the positioning piece is used for arranging a specific number of optical fibers into a centrosymmetric array by taking one optical fiber as a central optical fiber; the driving component is connected with the positioning piece and used for driving the positioning piece; under the drive of the driving part, the positioning part rotates and drives the bare area of the optical fiber except the central optical fiber to be wound on the bare area of the central optical fiber to form an optical fiber bundle. The optical fiber bundle structure manufactured by the optical fiber arrangement device has better optical fiber fixation, is closer to a cylinder and accords with optical waveguides; after the optical fiber is twisted, the tapering ratio is small in a tapering melting mode, the Numerical Aperture (NA) of the optical fiber is small in change, loss is small, bearable power is high, meanwhile, power loss is changed into heat, and the loss is small and the heat is small.
Description
Technical Field
The present disclosure relates to the field of optical fiber coupling technologies, and in particular, to an optical fiber arrangement device, an optical fiber bundle manufacturing method, and an optical fiber combiner.
Background
The optical Fiber combiner is an optical Fiber device prepared on the basis of a Fused biconical Taper Fiber Bundle (TFB). The method is that a bundle of optical fibers is stripped of a coating layer and then arranged together in a certain mode, the optical fibers are heated at high temperature to be melted, meanwhile, the optical fiber bundle is stretched towards the opposite direction, and an optical fiber heating area is melted to form a fused-cone optical fiber bundle. The optical fiber beam combiner is an indispensable key device in the technical field of pump coupling of high-power optical fiber lasers and the field of optical communication signal beam combining.
With the rapid development of the full-fiber process of the high-power fiber laser and the realization of kilowatt-level and myriawatt-level full-fiber lasers, higher requirements are put forward on the bearing power level of the optical fiber combiner. At present, each branch of the optical fiber beam combiner manufactured by various processes has low bearable power and large heat productivity, and is not beneficial to improving the light transmission efficiency of the optical fiber beam combiner and reducing the heat.
Disclosure of Invention
The invention aims to provide an optical fiber arrangement device, an optical fiber bundle manufacturing method and an optical fiber combiner, so that each branch of the manufactured optical fiber combiner has high bearable power and small heat productivity, the light passing efficiency of the optical fiber combiner is improved, and the heat emission is reduced.
The application discloses optic fibre collating unit, optic fibre collating unit is arranged in the preparation of optic fibre bundle in the optical fibre beam combiner, optic fibre collating unit includes setting element and driver part. The positioning piece is used for arranging a specific number of optical fibers into a centrosymmetric array by taking one of the optical fibers as a central optical fiber. The driving part is connected with the positioning part and used for driving the positioning part. Under the drive of the driving part, the positioning part rotates and drives the bare area of the optical fiber except the central optical fiber to be wound on the bare area of the central optical fiber to form an optical fiber bundle.
Optionally, the positioning element includes a first sub-positioning element and a second sub-positioning element opposite to the first sub-positioning element; the driving part is connected with the first sub-positioning part and drives the first sub-positioning part; the first sub-positioning piece and the second sub-positioning piece are respectively provided with at least 3 through holes; the through holes are arranged into a centrosymmetric array by taking one of the through holes as a center; each optical fiber respectively penetrates through the through holes corresponding to the first sub-positioning piece and the second sub-positioning piece, the optical fibers are arranged into a centrosymmetric array, and the bare area of each optical fiber is located between the first sub-positioning piece and the second sub-positioning piece.
Optionally, the optical fiber arrangement device further includes a plurality of straightening components for straightening the optical fiber by using self gravity; after each optical fiber respectively penetrates through the first sub-positioning piece and the second sub-positioning piece, the straightening part is respectively arranged on one side of the first sub-positioning piece far away from the second sub-positioning piece and one side of the second sub-positioning piece far away from the first sub-positioning piece, and is connected with each optical fiber.
Optionally, the number of the through holes of the first sub-positioning piece is any one of 3, 7, 13 and 19, and the through holes are arranged in a centrosymmetric array by taking one of the through holes as a center; the number of the through holes of the second sub-positioning piece is any one of 3, 7, 13 and 19, and the through holes are arranged in a centrosymmetric array by taking one of the through holes as a center.
The application also discloses a manufacturing method of the optical fiber bundle for the optical fiber arrangement device, which comprises the following steps:
acquiring a specific number of optical fibers according to actual processing requirements;
removing the optical fiber coating layer to form a bare area;
arranging the optical fibers into a centrosymmetric array by taking one of the optical fibers as a central optical fiber through a positioning piece;
the driving component drives the positioning piece to rotate and drive the bare area of the optical fiber except the central optical fiber to be wound on the bare area of the central optical fiber to form an optical fiber bundle;
the fiber bundle is fixed.
Optionally, the step of arranging the optical fibers in a centrosymmetric array by using one of the optical fibers as a central optical fiber through the positioning element specifically includes:
respectively enabling each optical fiber to respectively penetrate through the through holes of the first sub-positioning piece and the second sub-positioning piece, arranging the optical fibers into a centrosymmetric array, and enabling the exposed area of each optical fiber to be located between the first sub-positioning piece and the second sub-positioning piece;
each fiber was straightened.
Optionally, the step of straightening each optical fiber specifically includes:
respectively arranging a straightening component on one side of the first sub-positioning piece far away from the second sub-positioning piece and one side of the second sub-positioning piece far away from the first sub-positioning piece;
a straightening member is connected to each optical fiber separately.
Optionally, the number of the specific number of optical fibers is any one of 3, 7, 13, and 19.
Optionally, the step of fixing the optical fiber bundle specifically includes:
and fixing the optical fiber bundle by using glue or a heat-shrinkable tube.
The application also discloses an optical fiber combiner which comprises the optical fiber bundle manufactured by the manufacturing method of the optical fiber bundle.
Use this application's optic fibre collating unit, use one of them optic fibre of specific quantity as central optic fibre, arrange into centrosymmetric array after, drive part drive setting element rotates to drive the optic fibre winding except that central optic fibre on central optic fibre. The structure of the optical fiber bundle formed by twisting under the centrosymmetric structure has better optical fiber fixation, is closer to a cylinder and accords with optical waveguides; after the optical fiber is twisted, the tapering ratio is small in a tapering melting mode, the Numerical Aperture (NA) of the optical fiber is small in change, loss is small, bearable power is high, meanwhile, power loss is changed into heat, and the loss is small and the heat is small.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the application, are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the principles of the application. It is obvious that the drawings in the following description are only some embodiments of the application, and that for a person skilled in the art, other drawings can be derived from them without inventive effort. In the drawings:
FIG. 1 is a schematic diagram of a conventional continuous fiber laser in accordance with an embodiment of the present application;
FIG. 2 is a schematic view of an optical fiber alignment device according to an embodiment of the present application;
FIG. 3 is a plot of positive dispersion of diameters of a fiber optic bundle according to an embodiment of the present application;
FIG. 4 is a schematic diagram of the position of the positioning member penetrating 13 optical fibers according to an embodiment of the present application;
FIG. 5 is a flow chart of a method of making a fiber optic bundle according to an embodiment of the present application;
FIG. 6 is another flow chart of a method of fabricating a fiber optic bundle according to an embodiment of the present application;
FIG. 7 is another flow chart of a method of fabricating a fiber optic bundle according to an embodiment of the present application.
100, a fiber laser; 110. a pump source; 120. a pump combiner; 130. an endoscope; 140. a multi-clad gain fiber; 150. an endoscope; 200. a positioning member; 210. a first sub-positioning member; 220. a second sub-positioning member; 230. a through hole; 300. a drive member; 310. a belt; 400. a straightening member; 500. an optical fiber; 510. a central optical fiber; 520. an exposed area.
Detailed Description
It is to be understood that the terminology, the specific structural and functional details disclosed herein are for the purpose of describing particular embodiments only, and are representative, but that the present application may be embodied in many alternate forms and should not be construed as limited to only the embodiments set forth herein.
In the description of the present application, the terms "first", "second" are used for descriptive purposes only and are not to be construed as indicating relative importance or as implicitly indicating the number of technical features indicated. Thus, unless otherwise specified, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature; "plurality" means two or more. The terms "comprises" and "comprising," and any variations thereof, are intended to cover a non-exclusive inclusion, such that one or more other features, integers, steps, operations, elements, components, and/or combinations thereof may be present or added.
Further, terms of orientation or positional relationship indicated by "center", "lateral", "upper", "lower", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, are described based on the orientation or relative positional relationship shown in the drawings, are simply for convenience of description of the present application, and do not indicate that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present application.
Furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly and may include, for example, fixed connections, removable connections, and integral connections; can be mechanically or electrically connected; either directly or indirectly through intervening media, or through both elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
As shown in fig. 1, in the fiber laser 100, a pumping source 110, a pumping combiner 120, a cavity mirror 130/150, and a multi-clad gain fiber 140 are included, and the pumping manner may be forward pumping, backward pumping, or bidirectional pumping. Rare earth ions are doped in the fiber core of the multi-cladding gain fiber 140; the cavity mirror 130/150 generally uses a fiber bragg grating, wherein the cavity mirror 130 is a total reflection mirror, the reflectivity of the cavity mirror 130 is close to 100% at the wavelength of the signal light, the cavity mirror 150 is a partial reflection mirror, the reflectivity of the signal is higher than 0 and less than 1, generally 5% -95% is selected, and some fresnel reflections with 4% of the output end face of the optical fiber are directly used as output mirrors.
With the advance of pump source technology, the pump combiner 120 has evolved from tens of watts to hundreds of watts per branch. The light transmission efficiency and heat generation of the pump beam combiner become main concerns in the process.
The present application is described in detail below with reference to figures 2 to 6 and alternative embodiments.
As shown in fig. 2, as an embodiment of the present application, an optical fiber 500 alignment apparatus is disclosed, where the optical fiber 500 alignment apparatus is used for manufacturing an optical fiber bundle in an optical fiber 500 combiner, and the optical fiber 500 alignment apparatus includes a positioning element 200 and a driving component 300. The positioning member 200 is used to arrange a specific number of optical fibers 500 into a centrosymmetric array with one of the optical fibers 500 as a central optical fiber 510. The driving member 300 is connected to the positioning member 200, and is configured to drive the positioning member 200. Under the driving of the driving component 300, the positioning component 200 rotates and drives the bare region 520 of the optical fiber 500 except the central optical fiber 510 to wind on the bare region 520 of the central optical fiber 510, so as to form an optical fiber bundle. The bare region 520 of the optical fiber 500 described herein refers to the portion of the optical fiber 500 from which the coating has been removed.
The optical fiber 500 combiner is generally manufactured by adopting a mode that the optical fiber 500 penetrates into a capillary tube and through the steps of tapering, cutting, welding, metal shell packaging and the like, and the mode limits the tapering ratio, has high loss, large heat productivity and limited high power. By using the optical fiber 500 arrangement device of the present application, after arranging a specific number of optical fibers 500 into a centrosymmetric array with one of the optical fibers 500 as a central optical fiber 510, the driving member 300 drives the positioning member 200 to rotate and drives the optical fibers 500 except the central optical fiber 510 to be wound on the central optical fiber 510. In the structure of the optical fiber bundle formed by twisting under the centrosymmetric structure, the optical fiber 500 is better fixed and is closer to a cylinder, thus conforming to the optical waveguide; after the optical fiber 500 is twisted, the tapering ratio is small in a tapering melting mode, the Numerical Aperture (NA) of the optical fiber 500 changes little, the loss is small, the bearable power is high, meanwhile, the power loss changes into heat, and the loss is small and the heat is small. The optical fiber 500 beam combiner manufactured by the optical fiber bundle can bear hundreds of watt power per branch and has high bearable power; the temperature of the infrared thermal imager is lower than 60 ℃ under the environment of room temperature with heating value, the heating value is small, the light transmission efficiency of the optical fiber 500 beam combiner is improved, and the heating is reduced.
It should be noted that the optical fiber combiner described in this application may be the pump combiner 120, or may be a power combiner, and the optical fiber 500 arrangement apparatus described in this application is suitable for use with the pump combiner 120 and the power combiner. The optical fiber 500 may be of various sizes, and may be a single clad or multi-clad fiber 500, etc. The driver may be a motor, and a rotating shaft of the motor may be connected to the positioning member 200 through a belt 310, etc. to drive the positioning member 200 to rotate.
The twisted optical fiber bundle can be fixed by glue with low refractive index and can also be fixed by a heat shrink tube clamping mode, so that subsequent tapering fusion is convenient. The diameter of the twisted optical fiber bundle is shown in fig. 3 and changes in a positive dispersion curve.
The positioning member 200 includes a first sub-positioning member 210, and a second sub-positioning member 220 opposite to the first sub-positioning member 210; the driving part 300 is connected to the first sub-positioning element 210 and drives the first sub-positioning element 210; the first sub-positioning member 210 and the second sub-positioning member 220 are respectively provided with at least 3 through holes 230; the through holes 230 are arranged in a centrosymmetric array with one through hole 230 as the center; each optical fiber 500 respectively passes through the through holes 230 corresponding to the first sub-positioning element 210 and the second sub-positioning element 220, and is arranged in a centrosymmetric array, so that the bare region 520 of the optical fiber 500 is located between the first sub-positioning element 210 and the second sub-positioning element 220. In this embodiment, the rotating shaft of the motor may be connected to the first sub-positioning element 210 through a belt 310, etc. to drive the first sub-positioning element 210 to rotate. The optical fibers 500 pass through the corresponding through holes 230 of the first sub-positioning element 210 and the second sub-positioning element 220 to realize a centrosymmetric array arrangement.
Specifically, the number of the through holes 230 of the first sub-positioning member 210 is any one of 3, 7, 13 and 19, and the through holes 230 are arranged in a centrosymmetric array with one of the through holes 230 as a center; the number of the through holes 230 of the second sub-positioning member 220 is any one of 3, 7, 13 and 19, and the through holes 230 are arranged in a centrosymmetric array with one of the through holes 230 as a center. The spacing between the through holes 230 can be set according to actual needs.
By adopting the mode that the optical fiber 500 penetrates into the capillary, the number of the optical fiber 500 is relatively fixed, and generally only 7 or 19 optical fibers 500 can be used, so that the mode limits the tapering ratio, the loss is relatively high, the heat productivity is large, and the high power is limited. According to the scheme, the optical fibers 500 are arranged by using the through holes 230, each optical fiber 500 penetrates through the through holes 230, the optical fibers 500 with corresponding number are selected according to the actual requirement of the power of the optical fiber combiner, the number of the optical fibers 500 can be 3, 7, 13, 19 and the like, the input number of the optical fibers 500 is flexible, the tapering ratio can be controlled, the output optical fibers 500 can be better matched, the efficiency of the optical fiber combiner is high, and the temperature after tapering is within an acceptable range.
In the present embodiment, the number of the through holes 230 on the first sub-positioning element 210 and the second sub-positioning element 220 is not limited to 3, 7, 13, and 19, and more through holes 230 may be provided according to actual requirements. Correspondingly, the number of the optical fibers 500 is not limited to 3, 7, 13, 19, and a larger number of the optical fibers 500 may be selected according to actual requirements.
As shown in fig. 2, the optical fiber 500 aligning apparatus further includes a plurality of straightening members 400 for straightening the optical fibers 500 by their own weight; after each optical fiber 500 respectively passes through the first sub-positioning element 210 and the second sub-positioning element 220, the straightening component 400 is respectively disposed on one side of the first sub-positioning element 210 away from the second sub-positioning element 220 and one side of the second sub-positioning element 220 away from the first sub-positioning element 210, and is connected to each optical fiber 500. After the straightening component 400 is used for straightening, the optical fiber 500 is wound more regularly, and the wound optical fiber bundle structure is closer to a cylinder and has a more symmetrical structure, so that the optical waveguide is met.
To better explain the solution of the present application, in conjunction with fig. 2, taking 7 optical fibers 500 as an example, 7 optical fibers 500 are threaded into the through holes 230 of the first sub-positioning member 210 and the second sub-positioning member 220. After weights are added to each optical fiber 500 at two sides of the first sub-positioning element 210 and the second sub-positioning element 220, the optical fibers 500 are straightened. Keeping the central optical fiber 510 still, keeping the second sub-positioning member 220 still, the motor rotates to drive the first sub-positioning member 210 to rotate, so that the peripheral optical fibers 500 are uniformly wound on the central optical fiber 510, and after the twisting and winding are completed, the two ends of the formed optical fiber bundle are fixed by glue or heat shrink tubes, so as to facilitate the subsequent processing. Wherein, the advance length and the number of rotations of the twist winding of the optical fiber bundle can be controlled by controlling the rotation of the motor. As the weight of the straightening part 400, the weights applied to the two ends of each optical fiber 500 have the same mass; preferably, all weights can be equal in mass. According to the size of the output optical fiber 500, if other numbers of optical fibers 500 are needed, the positions of the through holes 230 for the optical fibers 500 to pass through can be selected according to the above-mentioned symmetry mode, so as to ensure that the optical fibers 500 are symmetrical with respect to the center, for example, when 13 optical fibers 500 are shown in fig. 4, the positions of the through holes 230 for the optical fibers 500 to pass through can be selected.
As another embodiment of the present application, as shown in fig. 5, there is also disclosed an optical fiber bundle manufacturing method for the above optical fiber arrangement apparatus, the optical fiber bundle manufacturing method including the steps of:
s100: acquiring a specific number of optical fibers according to actual processing requirements;
s200: removing the optical fiber coating layer to form a bare area;
s300: arranging the optical fibers into a centrosymmetric array by taking one of the optical fibers as a central optical fiber through a positioning piece;
s400: the driving component drives the positioning piece to rotate and drive the bare area of the optical fiber except the central optical fiber to be wound on the bare area of the central optical fiber to form an optical fiber bundle;
s500: the fiber bundle is fixed.
The optical fiber 500 of the optical fiber bundle manufactured by the method is better fixed and is closer to a cylinder, thereby conforming to optical waveguide; and the optical fiber 500 is melted together by twisting the tapered, so that the tapered ratio is small, the Numerical Aperture (NA) of the optical fiber 500 changes little, the loss is small, the bearable power is high, and meanwhile, the power loss changes into heat, and the loss is small and the heat is small.
Specifically, as shown in fig. 5, the step S300 specifically includes:
s310: respectively enabling each optical fiber to respectively penetrate through the through holes of the first sub-positioning piece and the second sub-positioning piece, arranging the optical fibers into a centrosymmetric array, and enabling the exposed area of each optical fiber to be located between the first sub-positioning piece and the second sub-positioning piece;
s320: each fiber was straightened.
In this step, the optical fibers 500 pass through the corresponding through holes 230 on the first sub-positioning element 210 and the second sub-positioning element 220, so as to realize a centrosymmetric array arrangement.
Specifically, as shown in fig. 5, the step S320 specifically includes:
s321: respectively arranging a straightening component on one side of the first sub-positioning piece far away from the second sub-positioning piece and one side of the second sub-positioning piece far away from the first sub-positioning piece;
s322: a straightening member is connected to each optical fiber separately.
After the straightening component 400 is used for straightening, the optical fiber 500 is wound more regularly, and the wound optical fiber bundle structure is closer to a cylinder and has a more symmetrical structure, so that the optical waveguide is met.
The step of S500 is specifically:
s510: and fixing the optical fiber bundle by using glue or a heat-shrinkable tube. The subsequent processing is convenient.
In the present method, the number of the specific number of optical fibers 500 is any one of 3, 7, 13, and 19. However, the number of the optical fibers 500 is not limited to 3, 7, 13, 19, and a larger number of the optical fibers 500 may be selected according to actual requirements. Correspondingly, the number of the through holes 230 on the first sub-positioning element 210 and the second sub-positioning element 220 is not limited to 3, 7, 13, and 19, and more through holes 230 may be provided according to actual requirements.
It should be noted that the fiber bundle manufacturing method described in the present application is suitable for manufacturing the fiber bundles in the pump combiner 120 and the power combiner.
As another embodiment of the application, the optical fiber combiner is also disclosed, which comprises the optical fiber bundle manufactured by the manufacturing method of the optical fiber bundle. Each branch of the optical fiber beam combiner manufactured by the optical fiber beam can bear hundreds of watt-level power, and the bearable power is high; the temperature of the infrared thermal imager is lower than 60 ℃ under the environment of room temperature with heating value, the heating value is small, the light transmission efficiency of the optical fiber beam combiner is improved, and the heating is reduced.
It should be noted that, the limitations of each step in the present disclosure are not considered to limit the order of the steps without affecting the implementation of the specific embodiments, and the steps written in the foregoing may be executed first, or executed later, or even executed simultaneously, and as long as the present disclosure can be implemented, all the steps should be considered as belonging to the protection scope of the present application.
The foregoing is a more detailed description of the present application in connection with specific alternative embodiments, and the specific implementations of the present application are not to be considered limited to these descriptions. For those skilled in the art to which the present application pertains, several simple deductions or substitutions may be made without departing from the concept of the present application, and all should be considered as belonging to the protection scope of the present application.
Claims (10)
1. An optical fiber arrangement device for manufacturing an optical fiber bundle in an optical fiber combiner, the optical fiber arrangement device comprising:
the positioning piece is used for arranging a specific number of optical fibers into a centrosymmetric array by taking one optical fiber as a central optical fiber;
the driving component is connected with the positioning piece and used for driving the positioning piece;
under the drive of the driving part, the positioning part rotates and drives the bare area of the optical fiber except the central optical fiber to be wound on the bare area of the central optical fiber to form an optical fiber bundle.
2. An optical fiber arrangement apparatus according to claim 1, wherein the positioning member includes a first sub-positioning member, a second sub-positioning member provided opposite to the first sub-positioning member; the driving part is connected with the first sub-positioning part and drives the first sub-positioning part; the first sub-positioning piece and the second sub-positioning piece are respectively provided with at least 3 through holes; the through holes are arranged into a centrosymmetric array by taking one of the through holes as a center; each optical fiber respectively penetrates through the through holes corresponding to the first sub-positioning piece and the second sub-positioning piece, the optical fibers are arranged into a centrosymmetric array, and the bare area of each optical fiber is located between the first sub-positioning piece and the second sub-positioning piece.
3. An optical fiber alignment device as claimed in claim 2, further comprising a plurality of straightening members for straightening the optical fiber by their own weight; after each optical fiber respectively penetrates through the first sub-positioning piece and the second sub-positioning piece, the straightening part is respectively arranged on one side of the first sub-positioning piece far away from the second sub-positioning piece and one side of the second sub-positioning piece far away from the first sub-positioning piece, and is connected with each optical fiber.
4. An optical fiber arrangement apparatus according to claim 2, wherein the number of the through holes of the first sub-positioning member is any one of 3, 7, 13 and 19, and the first sub-positioning member is arranged in a centrosymmetric array with one of the through holes as a center; the number of the through holes of the second sub-positioning piece is any one of 3, 7, 13 and 19, and the through holes are arranged in a centrosymmetric array by taking one of the through holes as a center.
5. A method of manufacturing an optical fiber bundle for use in the optical fiber arrangement device according to any one of claims 1 to 4, the method comprising the steps of:
acquiring a specific number of optical fibers according to actual processing requirements;
removing the optical fiber coating layer to form a bare area;
arranging the optical fibers into a centrosymmetric array by taking one of the optical fibers as a central optical fiber through a positioning piece;
the driving component drives the positioning piece to rotate and drive the bare area of the optical fiber except the central optical fiber to be wound on the bare area of the central optical fiber to form an optical fiber bundle;
the fiber bundle is fixed.
6. The method for manufacturing an optical fiber bundle according to claim 5, wherein the step of arranging the optical fibers in a centrosymmetric array by using one of the optical fibers as a central optical fiber through the positioning member comprises:
respectively enabling each optical fiber to respectively penetrate through the through holes of the first sub-positioning piece and the second sub-positioning piece, arranging the optical fibers into a centrosymmetric array, and enabling the exposed area of each optical fiber to be located between the first sub-positioning piece and the second sub-positioning piece;
each fiber was straightened.
7. The method of claim 6, wherein the step of straightening each optical fiber comprises:
respectively arranging a straightening component on one side of the first sub-positioning piece far away from the second sub-positioning piece and one side of the second sub-positioning piece far away from the first sub-positioning piece;
a straightening member is connected to each optical fiber separately.
8. The method of claim 5, wherein the specific number of optical fibers is any one of 3, 7, 13 and 19.
9. The method of claim 5, wherein the step of securing the fiber bundle comprises:
and fixing the optical fiber bundle by using glue or a heat-shrinkable tube.
10. An optical fibre combiner comprising an optical fibre bundle produced by the method of any one of claims 5 to 9.
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| CN112034558A (en) * | 2020-10-22 | 2020-12-04 | 祝君奇 | Connect stable optic fibre beam combiner |
| CN112130251A (en) * | 2020-09-21 | 2020-12-25 | 中国科学院长春光学精密机械与物理研究所 | Optical fiber positioner and positioning method thereof |
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