CN114397731A - 8-degree cutting pen for optical fiber end face - Google Patents
8-degree cutting pen for optical fiber end face Download PDFInfo
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- CN114397731A CN114397731A CN202210239174.8A CN202210239174A CN114397731A CN 114397731 A CN114397731 A CN 114397731A CN 202210239174 A CN202210239174 A CN 202210239174A CN 114397731 A CN114397731 A CN 114397731A
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- China
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- optical fiber
- face
- transparent window
- fiber end
- ceramic ferrule
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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
- G02B6/25—Preparing the ends of light guides for coupling, e.g. cutting
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Coupling Of Light Guides (AREA)
Abstract
The invention relates to the technical field of optical fiber transmission, in particular to an optical fiber end face 8-degree cutting pen which comprises an optical fiber, a transparent window, a ceramic ferrule, an optical fiber grating and a grid region, wherein the transparent window is arranged inside the optical fiber, the ceramic ferrule is arranged inside the transparent window, the optical fiber grating is arranged inside the ceramic ferrule, the grid region is arranged in the middle of the outer surface of the ceramic ferrule, the optical fiber end face is arranged on the right side inside the transparent window, the inclination of the optical fiber end face is 8 degrees, a cutting edge is arranged at the bottom of the optical fiber end face, a rubber sheet I is fixedly connected to the top of the side face of the optical fiber end face, and a rubber sheet II is fixedly connected to the bottom of the side face of the optical fiber end face. The 8-degree cutting pen for the optical fiber end face can mainly solve the problems of instability of manual beveling and risk of optical fiber breakage caused by cutting of optical fibers, improves the excellence and consistency of end face reflection, and can reduce grating damage in the production process, compared with the existing PC or UPC, the return loss is 50-55 dB, the oblique 8-degree optical fiber APC is 60-65dB, and reflection is extremely small.
Description
Technical Field
The invention relates to the technical field of optical fiber transmission, in particular to an optical fiber end face 8-degree cutting pen.
Background
The optical fiber end face treatment is also called end face preparation, is a key process in the optical fiber technology and mainly comprises three links of stripping, cleaning and cutting. The end face quality directly affects the pump light coupling efficiency and the laser output power of the fiber laser.
The return loss is called reflection loss, which is the reflection of the cable link due to impedance mismatch, and is the reflection of the pair of wires themselves. Mismatches occur primarily at the connector, but may also occur where the characteristic impedance of the cable changes, with 8 degree connectors typically having return losses that are better than normal connectors, typically-45 dB for return losses and-60 dB for return losses of 8 degrees.
The existing optical fiber is mostly cut manually, and the manual beveling has instability to cause the risk of breaking the optical fiber, so that a cutting tool needs to be designed to reduce the damage of the grating in the production process.
Disclosure of Invention
The invention aims to provide an optical fiber end face 8-degree cutting pen to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the 8-degree cutting pen for the optical fiber end face comprises an optical fiber, a transparent window, a ceramic ferrule, an optical fiber grating and a grid region, wherein the transparent window is arranged inside the optical fiber, the ceramic ferrule is arranged inside the transparent window, the optical fiber grating is arranged inside the ceramic ferrule, the grid region is arranged in the middle of the outer surface of the ceramic ferrule, and the optical fiber end face is arranged on the right side inside the transparent window.
The inclination of the optical fiber end face is 8 degrees, the cutting edge is installed at the bottom of the optical fiber end face, the first rubber sheet is fixedly connected to the top of the side face of the optical fiber end face, and the second rubber sheet is fixedly connected to the bottom of the side face of the optical fiber end face.
Preferably, the quantity of rubber piece one and rubber piece two is two, the thickness of optic fibre terminal surface is the same with the diameter of transparent window, and the rubber piece is to the place that the terminal surface reflection is sensitive very much, and the terminal surface reflection is little, and the return loss is great.
Preferably, the diameter of the optical fiber is larger than that of the transparent window, the diameter of the ceramic ferrule is smaller than that of the transparent window, and the outer surface of the ceramic ferrule is in sliding connection with the inside of the transparent window.
Preferably, the diameter of the fiber grating is smaller than that of the ceramic ferrule, the diameter of the grid region is larger than that of the ceramic ferrule, and the outer surface of the fiber grating is in sliding connection with the inside of the ceramic ferrule.
Preferably, the length of the ferrule is the same as the inner diameter of the optical fiber, the length of the transparent window is smaller than the length of the optical fiber, and the fiber grating penetrates through the inside of the ferrule and can extend towards two ends.
Compared with the prior art, the invention has the beneficial effects that:
1. the 8-degree cutting pen for the optical fiber end face mainly solves the problems of instability of manual beveling and risk of optical fiber breakage caused by cutting of optical fibers, improves the excellence and consistency of end face reflection, and can reduce grating damage in the production process.
2. The 8-degree oblique 8-degree optical fiber end face is mainly used in places such as analog transmission and high-power ports which are particularly sensitive to end face reflection, end face reflection is small, return loss is large, compared with the existing PC or UPC, the return loss is 50-55 dB, and reflection is particularly small when 8-degree oblique optical fiber APC is 60-65 dB.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive labor.
FIG. 1 is a front cross-sectional view of the present invention;
FIG. 2 is a side view of an end face of an optical fiber of the present invention.
In the figure: 1. an optical fiber; 2. a transparent window; 3. a ceramic ferrule; 4. a fiber grating; 5. a gate region; 6. an optical fiber end face; 601. a first rubber sheet; 602. a second rubber sheet; 603. a blade.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 1-2, the present invention provides a technical solution: an optical fiber end face 8-degree cutting pen comprises an optical fiber 1, a transparent window 2, a ceramic ferrule 3, an optical fiber grating 4 and a grid area 5, wherein the transparent window 2 is fixedly arranged inside the optical fiber 1, the ceramic ferrule 3 is inserted inside the transparent window 2, the outer surface of the ceramic ferrule 3 is in sliding connection with the inside of the transparent window 2, the optical fiber grating 4 is inserted inside the ceramic ferrule 3, the outer surface of the optical fiber grating 4 is in sliding connection with the inside of the ceramic ferrule 3, the grid area 5 is sleeved in the middle of the outer surface of the ceramic ferrule 3, the right side inside the transparent window 2 is provided with an optical fiber end face 6, the diameter of the optical fiber 1 is larger than that of the transparent window 2, the diameter of the ceramic ferrule 3 is smaller than that of the transparent window 2, the diameter of the optical fiber grating 4 is smaller than that of the ceramic ferrule 3, the diameter of the grid area 5 is larger than that of the ceramic ferrule 3, the length of the ceramic ferrule 3 is the same as the inner diameter of the optical fiber 1, and the length of the transparent window 2 is smaller than that of the optical fiber 1, the fiber grating 4 extends through the inside of the ferrule 3 and may extend to both ends.
The inclination of the optical fiber end face 6 is 8 degrees, APC of the optical fiber end face 6 with the inclination of 8 degrees is 60-65dB, the reflection is extremely small, the bottom of the optical fiber end face 6 is provided with a cutting edge 603, the top of the side face of the optical fiber end face 6 is fixedly connected with a rubber sheet I601, the bottom of the side face of the optical fiber end face 6 is fixedly connected with a rubber sheet II 602, the number of the rubber sheet I601 and the rubber sheet II 602 is two, the thickness of the optical fiber end face 6 is the same as the diameter of the transparent window 2, the inclination of the optical fiber end face with the inclination of 8 degrees reduces instability of manual beveling and risks of fiber breakage caused by cutting of optical fibers, the excellence and the consistency of end face reflection are improved, and grating damage in the production process can be reduced.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. The term "comprising", without further limitation, means that the element so defined is not excluded from the group consisting of additional identical elements in the process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. 8 pen of cutting of fiber end face, including optic fibre (1), transparent window (2), ceramic lock pin (3), fiber grating (4) and bars district (5), transparent window (2) set up in the inside of optic fibre (1), ceramic lock pin (3) set up in the inside of transparent window (2), fiber grating (4) set up in the inside of ceramic lock pin (3), bars district (5) set up in the surface middle part of ceramic lock pin (3), its characterized in that: the right side inside the transparent window (2) is provided with an optical fiber end face (6);
the inclination of the optical fiber end face (6) is 8 degrees, a cutting edge (603) is installed at the bottom of the optical fiber end face (6), a first rubber sheet (601) is fixedly connected to the top of the side face of the optical fiber end face (6), and a second rubber sheet (602) is fixedly connected to the bottom of the side face of the optical fiber end face (6).
2. The fiber-optic endface 8 ° cutting stylus of claim 1, wherein: the number of the rubber sheets I (601) and the number of the rubber sheets II (602) are two, and the thickness of the optical fiber end face (6) is the same as the diameter of the transparent window (2).
3. The fiber-optic endface 8 ° cutting stylus of claim 1, wherein: the diameter of the optical fiber (1) is larger than that of the transparent window (2), and the diameter of the ceramic ferrule (3) is smaller than that of the transparent window (2).
4. The fiber-optic endface 8 ° cutting stylus of claim 1, wherein: the diameter of the fiber bragg grating (4) is smaller than that of the ceramic ferrule (3), and the diameter of the grating region (5) is larger than that of the ceramic ferrule (3).
5. The fiber-optic endface 8 ° cutting stylus of claim 1, wherein: the length of the ceramic ferrule (3) is the same as the inner diameter of the optical fiber (1), the length of the transparent window (2) is smaller than that of the optical fiber (1), and the fiber bragg grating (4) penetrates through the inside of the ceramic ferrule (3) and can extend towards two ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210239174.8A CN114397731A (en) | 2022-03-11 | 2022-03-11 | 8-degree cutting pen for optical fiber end face |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210239174.8A CN114397731A (en) | 2022-03-11 | 2022-03-11 | 8-degree cutting pen for optical fiber end face |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114397731A true CN114397731A (en) | 2022-04-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210239174.8A Pending CN114397731A (en) | 2022-03-11 | 2022-03-11 | 8-degree cutting pen for optical fiber end face |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4422715A (en) * | 1981-06-22 | 1983-12-27 | Thomas & Betts Corporation | Fiber optic connector having fiber cutting means |
| CN202362490U (en) * | 2011-12-12 | 2012-08-01 | 深圳日海通讯技术股份有限公司 | Auxiliary tool for cutting pre-embedded optical fiber of ceramic insertion core |
| JP2014139649A (en) * | 2012-10-09 | 2014-07-31 | Sekisui Chem Co Ltd | Cutting method of plastic optical fiber and plastic optical fiber cutter |
| CN108490550A (en) * | 2018-02-11 | 2018-09-04 | 华为技术有限公司 | The production method of lock pin, optical fiber connector and lock pin |
| CN109283628A (en) * | 2018-11-13 | 2019-01-29 | 深圳古藤通信有限公司 | A kind of pre-buried optical fiber quick connector and fault detection method with failure visual function |
| CN211905777U (en) * | 2020-05-09 | 2020-11-10 | 南京华脉科技股份有限公司 | Duplex LC type optical fiber movable connector |
-
2022
- 2022-03-11 CN CN202210239174.8A patent/CN114397731A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4422715A (en) * | 1981-06-22 | 1983-12-27 | Thomas & Betts Corporation | Fiber optic connector having fiber cutting means |
| CN202362490U (en) * | 2011-12-12 | 2012-08-01 | 深圳日海通讯技术股份有限公司 | Auxiliary tool for cutting pre-embedded optical fiber of ceramic insertion core |
| JP2014139649A (en) * | 2012-10-09 | 2014-07-31 | Sekisui Chem Co Ltd | Cutting method of plastic optical fiber and plastic optical fiber cutter |
| CN108490550A (en) * | 2018-02-11 | 2018-09-04 | 华为技术有限公司 | The production method of lock pin, optical fiber connector and lock pin |
| CN109283628A (en) * | 2018-11-13 | 2019-01-29 | 深圳古藤通信有限公司 | A kind of pre-buried optical fiber quick connector and fault detection method with failure visual function |
| CN211905777U (en) * | 2020-05-09 | 2020-11-10 | 南京华脉科技股份有限公司 | Duplex LC type optical fiber movable connector |
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