CN212586589U - Patch type wavelength division multiplexing kernel - Google Patents
Patch type wavelength division multiplexing kernel Download PDFInfo
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- CN212586589U CN212586589U CN202021615287.6U CN202021615287U CN212586589U CN 212586589 U CN212586589 U CN 212586589U CN 202021615287 U CN202021615287 U CN 202021615287U CN 212586589 U CN212586589 U CN 212586589U
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- division multiplexing
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Abstract
The utility model discloses a patch type wavelength division multiplexing inner core, including turn left double-fiber head, first patch, first lens, the multiplexing diaphragm of wavelength division that sets gradually from the right side. The first patch is fixed on the double optical fiber head, and the wavelength division multiplexing membrane is fixed on the first lens. The utility model provides a patch type wavelength division multiplexing kernel paste the patch and fix on two optical fiber heads, to the special optic fibre and the optical cable that can't bear the high temperature coating film, realized the effect the same with coating film optic fibre.
Description
Technical Field
The utility model relates to an optical fiber communication technical field especially involves a patch type wavelength division multiplexing kernel.
Background
As the development of optical fiber communication is rapid, the maximum utilization of the width of the optical fiber is directly required along with the increase of the transmission capacity requirement (such as video image transmission). The Wavelength Division Multiplexing (WDM) technology is one of the most effective schemes for increasing the optical fiber communication capacity, in which optical modulation signals of different optical wavelengths are multiplexed into one optical fiber according to the optical Wavelength and transmitted, and multi-Wavelength optical modulation signals simultaneously transmitted in the same optical fiber can be decomposed into individual wavelengths and output respectively. Therefore, the optical fiber is widely applied to the current optical communication network.
The double optical fiber heads and the single optical fiber head used in the existing optical wavelength division multiplexing core are coated, but for the condition that polarization maintaining optical fibers or other special optical fibers are needed, the optical fibers can not bear the high temperature of the coating, so the direct coating can not be realized. In addition, the jumper wire with loose sleeve cannot be directly coated when the jumper wire with a head is added.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the weak point among the above-mentioned prior art and provide a patch type wavelength division multiplexing kernel.
The utility model discloses a realize through following mode:
a patch type wavelength division multiplexing core comprises a double-fiber head 11, a first patch 21, a first lens 31 and a wavelength division multiplexing membrane 4 which are arranged from right to left in sequence. The first patch 21 is fixed on the dual-fiber head 11 in an adhering manner; the wavelength division multiplexing diaphragm 4 is fixed to the first lens 31 by adhesion. The dual optical fiber head 11 and the first lens 31 are fixed by glue.
A patch type wavelength division multiplexing core comprises a double-fiber head 11, a first patch 21, a first lens 31, a wavelength division multiplexing membrane 4, a glass sleeve 5, a second lens 32, a second patch 22 and a single-fiber head 12 which are sequentially arranged from right to left. The first patch 21 and the second patch 22 are respectively fixed on the double optical fiber head 11 and the single optical fiber head 12; the wavelength division multiplexing membrane 4 is fixed on the first lens 31; the first lens 31 and the second lens 32 are coaxially fixed in the glass sleeve 5; the double optical fiber heads 11 and the first lens 31 are fixedly connected through glue, and the single optical fiber head 12 and the second lens 32 are fixedly connected through glue.
Furthermore, one side of the first patch 21, which is attached to the dual optical fiber head 11, is coated with glue, and the other side is coated with air. The side of the second patch 22 adhered to the single fiber head 12 is coated with glue, and the other side is coated with air.
Further, a wavelength division multiplexing film is plated on the wavelength division multiplexing membrane 4 to realize the detection of specific wavelengths.
Furthermore, the wavelength division multiplexing membrane 4 is coated with a partially reflective membrane to realize the detection of a certain proportion of light energy.
Further, the second lens 32 is a self-focusing lens or a ball lens.
The beneficial effects of the utility model reside in that: for special optical fibers and optical cables which cannot bear high-temperature coating, the patch can be attached to achieve the same effect as the coating; for the jumper head which is made firstly for simplifying the fusion splicing of optical fibers, a light source and a power meter, because the jumper head with the added head and the jumper head with the loose sleeve cannot be coated, a mode of sticking a patch sheet afterwards can be adopted.
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 the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of a patch type dual-fiber wavelength division multiplexing core of the present invention.
Fig. 2 is a schematic structural diagram of a patch-type wdm core according to the second embodiment of the present invention.
The reference numbers in the figures illustrate: 11-double optical fiber head, 12-single optical fiber head, 21-first patch, 22-second patch, 31-first lens, 32-second lens, 4-wavelength division multiplexing membrane and 5-glass sleeve.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The first embodiment is as follows:
as shown in fig. 1, the utility model discloses a patch type wavelength division multiplexing core, including the double fiber head 11, first patch 21, first lens 31, the wavelength division multiplexing diaphragm 4 that set gradually from right side to left side. The first patch 21 is fixed on the dual-fiber head 11; the wavelength division multiplexing diaphragm 4 is fixed to the first lens 31 by adhesion. The dual optical fiber head 11 and the first lens 31 are fixed by glue.
A patch-type wavelength division multiplexing core according to the first embodiment, as shown in fig. 1: the first patch 21 is first bonded to the dual fiber head 11. The first lens 31 is a self-focusing lens, and the wavelength division multiplexing diaphragm 4 is fixed to the first lens 31 by bonding. Firstly, adjusting a double-fiber head 11, wherein a divergent beam input by a first optical fiber 111 of the double-fiber head 11 is collimated by a first patch 21 and a first lens 31 and then is changed into a parallel beam, the parallel beam reaches a wavelength division multiplexing membrane 4, the wavelength division multiplexing membrane reflects a beam with a specific wavelength, and the reflected parallel beam is converged by the first lens 31 and then is received and output by a second optical fiber 112; and adjusting the double optical fiber head 11, and when the optical index of the reflected light beam meets the index requirement of a device, adhering and fixing the double optical fiber head 11 and the first lens 31 by glue, wherein the adhering positions are positions a1 and a2 shown in fig. 1.
The first patch 21 is coated with glue on one side of the double fiber head 11 and coated with air on the other side. The loss of the light beam in the optical path is reduced.
When the wavelength division multiplexing film 4 is a film coated with a partial reflection film, the partial reflection film transmits a low proportion of the light energy beam and reflects a high proportion of the light energy beam, and the reflected high proportion of the light energy beam passes through the first lens 31 and then is output by the second optical fiber 112.
The wavelength division multiplexing film system or the partially reflective film system may also be plated on the planar end of the first lens 31.
Example two:
as shown in fig. 2, the utility model discloses a patch type wavelength division multiplexing core, including the double optical fiber head 11, first patch 21, first lens 31, wavelength division multiplexing diaphragm 4, glass sleeve 5, second lens 32, second patch 22, the single optical fiber head 12 that set gradually from right side to left side. The first patch 21 and the second patch 22 are respectively fixed on the double optical fiber head 11 and the single optical fiber head 12; the wavelength division multiplexing membrane 4 is fixed on the first lens 31; the first lens 31 and the second lens 32 are coaxially fixed in the glass sleeve 5; the double optical fiber head 11 and the first lens 31 are fixedly connected through glue, and the single optical fiber head 12 and the second lens 32 are fixedly connected through glue.
A patch-type wavelength division multiplexing core according to the second embodiment, as shown in fig. 2: the first patch 21 and the second patch 22 are respectively adhered and fixed on the dual optical fiber head 11 and the single optical fiber head 12. The first lens 31 is a self-focusing lens, and the second lens 32 is a ball lens; the wavelength division multiplexing diaphragm 4 is fixed on the first lens 31 by adhering, and then the first lens 31, the wavelength division multiplexing diaphragm 4 and the second lens 32 are coaxially fixed in the glass sleeve 5 side by side. Firstly, the double optical fiber head 11 is monotonous, divergent light beams input by a first optical fiber 111 of the double optical fiber head 11 are collimated by a first patch 21 and a first lens 31 and then changed into a parallel light beam to be emitted, the parallel light beam reaches a wavelength division multiplexing membrane 4, the wavelength division multiplexing membrane transmits light beams with specific wavelength and reflects light beams with other wavelengths except the specific wavelength, and the reflected parallel light beams are converged by the first lens 31 and then received and output by a second optical fiber 112; and adjusting the double optical fiber head 11, and when the optical index of the reflected light beam meets the index requirement of a device, adhering and fixing the double optical fiber head 11 and the first lens 31 by glue, wherein the adhering positions are positions a1 and a2 shown in fig. 2. Then, the single optical fiber head 12 is monotonized, the divergent light beam input by the first optical fiber 111 is collimated by the first lens 31 to become a parallel light beam and is emitted, the parallel light beam reaches the wavelength division multiplexing diaphragm 4, and the parallel light beam with the specific wavelength transmitted by the wavelength division multiplexing diaphragm 4 is converged by the second lens 32 and the second patch 22 and is received and output by the third optical fiber 121. And adjusting the single optical fiber head 12, and when the optical index of the transmitted light beam with the specific wavelength meets the index requirement of the device, adhering and fixing the single optical fiber head 12 and the second lens 32 by glue, wherein the adhering positions are positions b1 and b2 shown in fig. 2.
One side of the first patch 21, which is adhered to the dual-fiber head 11, is coated with glue, and the other side is coated with air. The side of the second patch 22 adhered to the single fiber head 12 is coated with glue, and the other side is coated with air. The loss of the light beam in the optical path is reduced.
When the wavelength division multiplexing diaphragm 4 is a diaphragm plated with a partial reflection film, the partial reflection film transmits a low proportion of light energy beams and reflects a high proportion of light energy beams, and the reflected high proportion of light energy beams pass through the first lens 31 and then are output by the second optical fiber 112; the transmitted low proportion of the light energy beam passes through the second lens 32 and is output by the third optical fiber 121.
The wavelength division multiplexing film system or the partially reflective film system may also be plated on the planar end of the first lens 31.
The difference from the first embodiment is that: the embodiment is a two-fiber wavelength division multiplexing core, and the embodiment is a three-fiber wavelength division multiplexing core.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A patch-type wavelength division multiplexing core, characterized by: the device comprises a double-fiber head (11), a first patch (21), a first lens (31) and a wavelength division multiplexing membrane (4) which are arranged from right to left in sequence; the first patch (21) is fixedly adhered to the double-optical-fiber head (11); the wavelength division multiplexing membrane (4) is fixedly adhered to the first lens (31); the double-optical-fiber head (11) and the first lens (31) are fixedly connected through glue.
2. A patch-type wavelength division multiplexing core according to claim 1, wherein: the wavelength division multiplexing optical fiber comprises a double optical fiber head (11), a first patch (21), a first lens (31), a wavelength division multiplexing membrane (4), a glass sleeve (5), a second lens (32), a second patch (22) and a single optical fiber head (12) which are arranged from right to left in sequence; the first patch (21) and the second patch (22) are respectively stuck and fixed on the double optical fiber head (11) and the single optical fiber head (12); the wavelength division multiplexing diaphragm (4) is fixed on the first lens (31); the first lens (31) and the second lens (32) are coaxially fixed in the glass sleeve (5); the double-optical-fiber head (11) and the first lens (31) are fixedly connected through glue, and the single-optical-fiber head (12) and the second lens (32) are fixedly connected through glue.
3. A patch-type wavelength division multiplexing core according to claim 1 or 2, wherein: one surface of the first patch (21) which is adhered to the double optical fiber head (11) is coated with glue, and the other surface is coated with air.
4. A patch-type wavelength division multiplexing core according to claim 2, wherein: one surface of the second patch (22) which is adhered to the single optical fiber head (12) is coated with glue, and the other surface is coated with air.
5. A patch-type wavelength division multiplexing core according to claim 1 or 2, wherein: the wavelength division multiplexing membrane (4) is plated with a wavelength division multiplexing film to realize the detection of specific wavelength.
6. A patch-type wavelength division multiplexing core according to claim 1 or 2, wherein: the wavelength division multiplexing diaphragm (4) is plated with a diaphragm of a partial reflection film to realize the detection of a certain proportion of light energy.
7. A patch-type wavelength division multiplexing core according to claim 2, wherein: the second lens (32) is a self-focusing lens or a ball lens.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021615287.6U CN212586589U (en) | 2020-08-06 | 2020-08-06 | Patch type wavelength division multiplexing kernel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021615287.6U CN212586589U (en) | 2020-08-06 | 2020-08-06 | Patch type wavelength division multiplexing kernel |
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| Publication Number | Publication Date |
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| CN212586589U true CN212586589U (en) | 2021-02-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021615287.6U Active CN212586589U (en) | 2020-08-06 | 2020-08-06 | Patch type wavelength division multiplexing kernel |
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| CN (1) | CN212586589U (en) |
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- 2020-08-06 CN CN202021615287.6U patent/CN212586589U/en active Active
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Address after: Room 1078, 10 / F, building 17, phase II, innovation park, 7 wulongjiang middle Avenue, Fuzhou high tech Zone, Fuzhou City, Fujian Province, 350100 Patentee after: Fujian Zhongke Baixun photoelectric Co.,Ltd. Address before: Room 1078, 10 / F, building 17, phase II, innovation park, 7 wulongjiang middle Avenue, Fuzhou high tech Zone, Fuzhou City, Fujian Province, 350100 Patentee before: FUZHOU BAIXUN PHOTOELECTRIC Co.,Ltd. |
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