CN107861195B - Socket type wavelength division multiplexer with strong isolation performance and use method - Google Patents
Socket type wavelength division multiplexer with strong isolation performance and use method Download PDFInfo
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- CN107861195B CN107861195B CN201711442539.2A CN201711442539A CN107861195B CN 107861195 B CN107861195 B CN 107861195B CN 201711442539 A CN201711442539 A CN 201711442539A CN 107861195 B CN107861195 B CN 107861195B
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- optical fiber
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- fiber head
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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
- G02B6/26—Optical coupling means
- G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
- G02B6/293—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means
- G02B6/29379—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means characterised by the function or use of the complete device
- G02B6/2938—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means characterised by the function or use of the complete device for multiplexing or demultiplexing, i.e. combining or separating wavelengths, e.g. 1xN, NxM
-
- 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
- G02B6/26—Optical coupling means
- G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
- G02B6/293—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means
- G02B6/29346—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means operating by wave or beam interference
- G02B6/29361—Interference filters, e.g. multilayer coatings, thin film filters, dichroic splitters or mirrors based on multilayers, WDM filters
- G02B6/2937—In line lens-filtering-lens devices, i.e. elements arranged along a line and mountable in a cylindrical package for compactness, e.g. 3- port device with GRIN lenses sandwiching a single filter operating at normal incidence in a tubular package
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Couplings Of Light Guides (AREA)
Abstract
The invention discloses a socket type wavelength division multiplexer with strong isolation performance and a use method thereof. The invention has the following beneficial effects: the optical fiber head is inserted into the barrel in a socket joint mode, and then the clamping block is pressed tightly through the rotating sleeve, so that the purpose of fixing the optical fiber head is achieved, and the optical fiber head is convenient to assemble and disassemble; rubber layers are arranged at the two ends of the cylinder body, so that the air tightness of the clamping ring block when the clamping ring block is contacted with the cylinder body is guaranteed, and the isolation effect is good; be equipped with the scarce groove that corresponds with the fixture block in the swivel sleeve for swivel sleeve installation and dismantlement are all very convenient.
Description
Technical Field
The invention relates to a socket type wavelength division multiplexer with strong isolation performance and a using method thereof, belonging to the technical field of optical fiber communication.
Background
Wavelength division multiplexers are an important passive optical fiber device in wavelength division multiplexing systems. The wavelength division multiplexer is one of the basic components of the system, and directly determines the performance parameters of the system, such as the capacity, the stability of the multiplexing wavelength, the magnitude of the insertion loss, and the like. The wavelength division multiplexer can be derived into other important functional devices suitable for WDM, such as a wavelength router, namely an all-optical communication network for broadband service and point-to-point service of wavelength addressing; add/drop-add/drop for a given wavelength; comb filter-for the generation of multi-wavelength light source and measurement of spectra; the wavelength selective switch, the routing of signals with different wavelengths and the like, has important theoretical significance and good market prospect for the research and the manufacture of the wavelength division multiplexer. The existing wavelength division multiplexer is complex to install and inconvenient to disassemble.
Disclosure of Invention
The invention aims to solve the technical problem of providing a socket type wavelength division multiplexer with strong isolation performance and a use method thereof.
The invention is realized by the following scheme: a socket joint type wavelength division multiplexer with strong isolation performance comprises a double-fiber double-hole optical fiber head, a double-fiber single-hole optical fiber head and a barrel, wherein a first lens is arranged in the barrel, the right end of the first lens is connected with a filter, a second lens is arranged at the right end of the filter, the double-fiber double-hole optical fiber head is connected at the left end of the barrel, the double-fiber single-hole optical fiber head is connected at the right end of the barrel, the upper end and the lower end of the outer side of the double-fiber double-hole optical fiber head are respectively connected with a left clamping block, the upper end and the lower end of the outer side of the double-fiber single-hole optical fiber head are respectively connected with a right clamping block, the outer diameters of the double-fiber double-hole optical fiber head and the double-fiber single-hole optical fiber head are equal to the inner diameter of the barrel, the outer diameters of the left clamping block and the right clamping block are equal to the outer diameter of the barrel, and the right end, the left side fixture block card is in the outside of barrel, the outside movable sleeve of two fine diplopore optical fiber head has a left sleeve, the outside movable sleeve of two fine haplopore optical fiber head has a right sleeve, the telescopic right side in a left side with the draw-in groove has all been opened in the telescopic left side in the right side, a left side sleeve will through rotatory left side fixture block reaches in the left end precession its inside draw-in groove of barrel, right side sleeve will through rotatory right side fixture block reaches in the right-hand member precession its inside draw-in groove of barrel, the upper and lower both ends of left side sleeve inner wall all opened with the scarce groove that left side fixture block corresponds, the upper and lower both ends of right side sleeve inner wall all opened with the scarce groove that right side fixture block corresponds.
The left sleeve and the inner wall of the clamping groove of the right sleeve are provided with a circle of internal threads, and the outer side walls of the left end and the right end of the barrel are provided with a circle of external threads.
The left sleeve and the right sleeve are in threaded connection with the cylinder body, and the left sleeve or the right sleeve is sleeved on the outer side of the cylinder body and the left clamping block or the right clamping block through rotation.
The contact surface of the first lens and the filter is an inclined plane.
And a cavity structure is arranged between the filter and the second lens.
And a rubber layer is arranged on the right side of the left clamping block and the left side of the right clamping block.
A use method of a socket type wavelength division multiplexer with strong isolation performance comprises the following steps:
firstly, sleeving a left sleeve on the outer side of a double-fiber double-hole optical fiber head, sleeving a right sleeve on the outer side of a double-fiber single-hole optical fiber head, and corresponding the notch of the left sleeve to the position of a left fixture block, namely, sleeving the left sleeve on the double-fiber double-hole optical fiber head from the right side of the double-fiber double-hole optical fiber head, and corresponding the notch of the right sleeve to the position of the right fixture block, namely, sleeving the right sleeve on the double-fiber single-hole optical fiber head from the left side of the double-fiber single-hole optical fiber head;
step two, the left sleeve is sleeved on the double-fiber double-hole optical fiber head and then rotates to enable the position of the notch of the left sleeve to be staggered with the position of the left clamping block, the left sleeve is clamped on the double-fiber double-hole optical fiber head at the moment, the right sleeve is sleeved on the double-fiber single-hole optical fiber head and then rotates to enable the position of the notch of the right sleeve to be staggered with the position of the right clamping block, and the right sleeve is clamped on the double-fiber single-hole optical fiber head;
rotating the left sleeve to be in spiral connection with the cylinder, inserting the double-fiber double-hole optical fiber head into the left end of the cylinder in a rotating mode, wherein the positions of the notch and the left fixture block are staggered;
and step four, fixedly connecting the double-fiber double-hole optical fiber head and the double-fiber single-hole optical fiber head with the barrel after the step three, and when the optical fiber head is disassembled, reversely rotating the left sleeve and the right sleeve to extract the double-fiber double-hole optical fiber head and the double-fiber single-hole optical fiber head, and respectively corresponding the notches of the left sleeve and the right sleeve to the positions of the left fixture block and the right fixture block to take out the left sleeve and the right sleeve.
The invention has the beneficial effects that:
1. the socket type wavelength division multiplexer with strong isolation performance adopts a socket type, the optical fiber head is inserted into the cylinder, and then the clamping block is pressed through the rotating sleeve, so that the purpose of fixing the optical fiber head is achieved, and the socket type wavelength division multiplexer is convenient to assemble and disassemble;
2. the rubber layers are arranged at the two ends of the cylinder body of the socket type wavelength division multiplexer with strong isolation performance, so that the air tightness of the snap ring block in contact with the cylinder body is ensured, and the isolation effect is good;
3. the rotary sleeve of the socket type wavelength division multiplexer with strong isolation performance is internally provided with the notch corresponding to the clamping block, so that the rotary sleeve is convenient to mount and dismount.
Drawings
Fig. 1 is a schematic front view of a cross-sectional structure of a socket wavelength division multiplexer with strong isolation performance according to the present invention.
Fig. 2 is a schematic side view of a left sleeve of a socket wavelength division multiplexer with strong isolation performance according to the present invention.
Fig. 3 is a schematic side sectional view of a dual-fiber dual-hole fiber head of a socket wavelength division multiplexer according to the present invention.
In the figure: 1 is two fine diplopore optical fiber heads, 2 is two fine haplopore optical fiber heads, and 3 are the barrel, and 4 are first lens, and 5 are the filter, and 6 are the second lens, and 7 are left fixture block, and 8 are right fixture block, and 9 are left sleeve, and 10 are right sleeve, and 11 are the draw-in groove, and 12 are the scarce groove, and 13 are the rubber layer.
Detailed Description
The invention will be further described with reference to fig. 1-3, without limiting the scope of the invention.
In which like parts are designated by like reference numerals. It is noted that the terms "front", "back", "left", "right", "upper" and "lower" used in the following description refer to directions in the drawings, the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component, and the drawings are in greatly simplified form and employ non-precise ratios, merely for the purpose of facilitating and distinctly aiding in the description of the embodiments of the present invention.
In the following description, for purposes of clarity, not all features of an actual implementation are described, well-known functions or constructions are not described in detail since they would obscure the invention with unnecessary detail, it being understood that in the development of any actual embodiment, numerous implementation details must be set forth in order to achieve the developer's specific goals, such as compliance with system-related and business-related constraints, changing from one implementation to another, and it being recognized that such development effort might be complex and time consuming, but would nevertheless be a routine undertaking for those of ordinary skill in the art.
A socket joint type wavelength division multiplexer with strong isolation performance comprises a double-fiber double-hole optical fiber head 1, a double-fiber single-hole optical fiber head 2 and a cylinder 3, wherein a first lens 4 is arranged in the cylinder 3, the right end of the first lens 4 is connected with a filter 5, the right end of the filter 5 is provided with a second lens 6, the double-fiber double-hole optical fiber head 1 is connected with the left end of the cylinder 3, the double-fiber single-hole optical fiber head 2 is connected with the right end of the cylinder 3, the upper end and the lower end of the outer side of the double-fiber double-hole optical fiber head 1 are respectively connected with a left clamping block 7, the upper end and the lower end of the outer side of the double-fiber single-hole optical fiber head 2 are respectively connected with a right clamping block 8, the outer diameters of the double-fiber double-hole optical fiber head 1 and the double-fiber single-hole optical fiber head 2 are equal to the inner diameter of the cylinder 3, the outer diameters of the left clamping block 7 and the right clamping block 8 are, the left fixture block 7 is clamped on the outer side of the barrel 3, the outer side movable sleeve of the double-fiber double-hole optical fiber head 1 is provided with a left sleeve 9, the outer side movable sleeve of the double-fiber single-hole optical fiber head 2 is provided with a right sleeve 10, the right side of the left sleeve 9 and the left side of the right sleeve 10 are both provided with a clamping groove 11, the left sleeve 9 rotates, the left end of the left fixture block 7 and the left end of the barrel 3 are screwed into the clamping groove 11 inside the left sleeve, the right sleeve 10 rotates, the right end of the right fixture block 8 and the right end of the barrel 3 are screwed into the clamping groove 11 inside the right sleeve, the upper end and the lower end of the inner wall of the left sleeve 9 are both provided with notch 12 corresponding to the left fixture block 7, and the upper end and.
The inner walls of the clamping grooves 11 of the left sleeve 9 and the right sleeve 10 are provided with a circle of internal threads, and the outer side walls of the left end and the right end of the barrel 3 are provided with a circle of external threads.
The left sleeve 9 and the right sleeve 10 are spirally connected with the cylinder 3 through threads, and the left sleeve 9 or the right sleeve 10 is sleeved outside the cylinder 3 and the left fixture block 7 or the right fixture block 8 through rotation.
The contact surface of the first lens 4 and the filter 5 is an inclined surface.
A cavity structure is arranged between the filter 5 and the second lens 6.
The right side of the left clamping block 7 and the left side of the right clamping block 8 are both provided with a rubber layer 13.
A use method of a socket type wavelength division multiplexer with strong isolation performance comprises the following steps:
firstly, sleeving a left sleeve 9 on the outer side of a double-fiber double-hole optical fiber head 1, sleeving a right sleeve 10 on the outer side of a double-fiber single-hole optical fiber head 2, and corresponding the position of a notch 12 of the left sleeve 9 to a left fixture block 7, namely, sleeving the left sleeve 9 on the double-fiber double-hole optical fiber head 1 from the right side of the double-fiber double-hole optical fiber head 1, and corresponding the position of a notch 12 of the right sleeve 10 to a right fixture block 8, namely, sleeving the right sleeve 10 on the double-fiber single-hole optical fiber head 2 from the left side of the double-fiber single-hole optical fiber head 2;
step two, the left sleeve 9 is sleeved on the double-fiber double-hole optical fiber head 1 and then rotates to enable the positions of the notch 12 and the left clamping block 7 to be staggered, at the moment, the left sleeve 9 is clamped on the double-fiber double-hole optical fiber head 1, the right sleeve 10 is sleeved on the double-fiber single-hole optical fiber head 2 and then rotates to enable the positions of the notch 12 and the right clamping block 8 to be staggered, and at the moment, the right sleeve 10 is clamped on the double-fiber single-hole optical fiber head 2;
rotating the left sleeve 9 to be in spiral connection with the cylinder 3, inserting the double-fiber double-hole optical fiber head 1 into the left end of the cylinder 3 in a rotating mode, wherein the positions of the notch 12 and the left fixture block 7 are staggered, rotating the right sleeve 10 to be in spiral connection with the cylinder 3 in the same mode, inserting the double-fiber single-hole optical fiber head 2 into the right end of the cylinder 3 in a rotating mode, and the positions of the notch 12 and the right fixture block 8 are staggered;
step four, after the step three, the double-fiber double-hole optical fiber head 1 and the double-fiber single-hole optical fiber head 2 are fixedly connected with the barrel 3, when the optical fiber is required to be disassembled, the left sleeve 9 and the right sleeve 10 are rotated reversely, the double-fiber double-hole optical fiber head 1 and the double-fiber single-hole optical fiber head 2 can be pulled out, the notches 12 of the left sleeve 9 and the right sleeve 10 correspond to the positions of the left fixture block 7 and the right fixture block 8 respectively, and the left sleeve 9 and the right sleeve 10 can be taken out.
Although the invention has been described and illustrated in some detail, it should be understood that various modifications may be made to the described embodiments or equivalents may be substituted, as will be apparent to those skilled in the art, without departing from the spirit of the invention.
Claims (7)
1. The utility model provides a socket joint formula wavelength division multiplexer with strong isolation performance which characterized in that: the optical fiber connector comprises a double-fiber double-hole optical fiber head (1), a double-fiber single-hole optical fiber head (2) and a barrel body (3), wherein a first lens (4) is arranged in the barrel body (3), the right end of the first lens (4) is connected with a filter plate (5), the right end of the filter plate (5) is provided with a second lens (6), the double-fiber double-hole optical fiber head (1) is connected at the left end of the barrel body (3), the double-fiber single-hole optical fiber head (2) is connected at the right end of the barrel body (3), the upper end and the lower end of the outer side of the double-fiber double-hole optical fiber head (1) are respectively connected with a left clamping block (7), the upper end and the lower end of the outer side of the double-fiber single-hole optical fiber head (2) are respectively connected with a right clamping block (8), the outer diameters of the double-fiber double-hole optical fiber head (1) and the double-fiber single-hole optical fiber head (2) are equal to the inner diameter, the right end of the double-fiber double-hole optical fiber head (1) and the left end of the double-fiber single-hole optical fiber head (2) are inserted into the barrel body (3), the left clamping block (7) is clamped on the outer side of the barrel body (3), the outer side of the double-fiber double-hole optical fiber head (1) is movably sleeved with a left sleeve (9), the outer side of the double-fiber single-hole optical fiber head (2) is movably sleeved with a right sleeve (10), the right side of the left sleeve (9) and the left side of the right sleeve (10) are respectively provided with a clamping groove (11), the left sleeve (9) rotates to enable the left clamping block (7) and the left end of the barrel body (3) to be screwed into the clamping groove (11) in the left sleeve, the right sleeve (10) rotates to enable the right clamping block (8) and the right end of the barrel body (3) to be screwed into the clamping groove (11) in the right sleeve, the upper end and the lower end of the inner wall of the left sleeve (9) are respectively provided with a notch (12) corresponding to, and the upper end and the lower end of the inner wall of the right sleeve (10) are provided with notches (12) corresponding to the right clamping block (8).
2. A socket wavelength division multiplexer having strong isolation according to claim 1, wherein: the inner walls of the clamping grooves (11) of the left sleeve (9) and the right sleeve (10) are provided with a circle of internal thread, and the outer side walls of the left end and the right end of the barrel body (3) are provided with a circle of external thread.
3. The socket wavelength division multiplexer according to claim 2, wherein: the left sleeve (9) and the right sleeve (10) are in threaded connection with the barrel (3), and the left sleeve (9) or the right sleeve (10) is sleeved on the outer side of the barrel (3) and the left clamping block (7) or the right clamping block (8) through rotation.
4. A socket wavelength division multiplexer having strong isolation according to claim 1, wherein: the contact surface of the first lens (4) and the filter (5) is an inclined plane.
5. A socket wavelength division multiplexer having strong isolation according to claim 1, wherein: and a cavity structure is arranged between the filter plate (5) and the second lens (6).
6. A socket wavelength division multiplexer having strong isolation according to claim 1, wherein: the right side of the left clamping block (7) and the left side of the right clamping block (8) are both provided with a rubber layer (13).
7. Use of a socket wavelength division multiplexer with strong isolation according to any of claims 1 to 6, characterized in that it comprises the following steps:
firstly, a left sleeve (9) is sleeved on the outer side of a double-fiber double-hole optical fiber head (1), a right sleeve (10) is sleeved on the outer side of a double-fiber single-hole optical fiber head (2), a notch (12) of the left sleeve (9) corresponds to the position of a left clamping block (7), the left sleeve (9) can be sleeved on the double-fiber double-hole optical fiber head (1) from the right side of the double-fiber double-hole optical fiber head (1), the notch (12) of the right sleeve (10) corresponds to the position of a right clamping block (8), and the right sleeve (10) can be sleeved on the double-fiber single-hole optical fiber head (2) from the left side of the double-fiber single-hole optical fiber head (2);
step two, the left sleeve (9) is sleeved on the double-fiber double-hole optical fiber head (1) and then rotates to enable the position of the notch (12) to be staggered with the position of the left clamping block (7), at the moment, the left sleeve (9) is clamped on the double-fiber double-hole optical fiber head (1), the right sleeve (10) is sleeved on the double-fiber single-hole optical fiber head (2) and then rotates to enable the position of the notch (12) to be staggered with the position of the right clamping block (8), and at the moment, the right sleeve (10) is clamped on the double-fiber single-hole optical fiber head (2);
rotating the left sleeve (9) to be in spiral connection with the cylinder (3), inserting the double-fiber double-hole optical fiber head (1) into the left end of the cylinder (3) in a rotating mode, wherein the positions of the notch (12) and the left fixture block (7) are staggered, rotating the right sleeve (10) to be in spiral connection with the cylinder (3), inserting the double-fiber single-hole optical fiber head (2) into the right end of the cylinder (3) in a rotating mode, and the positions of the notch (12) and the right fixture block (8) are staggered;
step four, after the step three, the double-fiber double-hole optical fiber head (1) and the double-fiber single-hole optical fiber head (2) are fixedly connected with the barrel body (3), if the optical fiber head is required to be disassembled, the left sleeve (9) and the right sleeve (10) are rotated reversely, the double-fiber double-hole optical fiber head (1) and the double-fiber single-hole optical fiber head (2) can be pulled out, the notch (12) of the left sleeve (9) and the notch (12) of the right sleeve (10) correspond to the positions of the left clamping block (7) and the right clamping block (8) respectively, and the left sleeve (9) and the right sleeve (10) can be taken out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711442539.2A CN107861195B (en) | 2017-12-27 | 2017-12-27 | Socket type wavelength division multiplexer with strong isolation performance and use method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711442539.2A CN107861195B (en) | 2017-12-27 | 2017-12-27 | Socket type wavelength division multiplexer with strong isolation performance and use method |
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| Publication Number | Publication Date |
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| CN107861195A CN107861195A (en) | 2018-03-30 |
| CN107861195B true CN107861195B (en) | 2020-01-10 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0722101A1 (en) * | 1995-01-13 | 1996-07-17 | SEIKOH GIKEN Co., Ltd. | Optical fiber ferrule and optical coupler constructed using the optical fiber ferrule |
| WO2001097589A2 (en) * | 2000-06-22 | 2001-12-27 | Corning Incorporated | Three-port filter and method of manufacture |
| US6396980B1 (en) * | 1999-02-22 | 2002-05-28 | Alliance Fiber Optics Products, Inc. | Multi-port fiber optic device with V-groove dual fiber collimator for WDM application |
| CN201886168U (en) * | 2010-12-16 | 2011-06-29 | 上海中科光纤通讯器件有限公司 | Wavelength division multiplexer |
| CN202351454U (en) * | 2011-11-01 | 2012-07-25 | 中国石油天然气集团公司 | Rotary optical fiber connector |
| CN203930115U (en) * | 2014-07-02 | 2014-11-05 | 国家电网公司 | A kind of wavelength division multiplexer |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6921283B2 (en) * | 2001-08-27 | 2005-07-26 | Trompeter Electronics, Inc. | BNC connector having visual indication |
-
2017
- 2017-12-27 CN CN201711442539.2A patent/CN107861195B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0722101A1 (en) * | 1995-01-13 | 1996-07-17 | SEIKOH GIKEN Co., Ltd. | Optical fiber ferrule and optical coupler constructed using the optical fiber ferrule |
| US6396980B1 (en) * | 1999-02-22 | 2002-05-28 | Alliance Fiber Optics Products, Inc. | Multi-port fiber optic device with V-groove dual fiber collimator for WDM application |
| WO2001097589A2 (en) * | 2000-06-22 | 2001-12-27 | Corning Incorporated | Three-port filter and method of manufacture |
| CN201886168U (en) * | 2010-12-16 | 2011-06-29 | 上海中科光纤通讯器件有限公司 | Wavelength division multiplexer |
| CN202351454U (en) * | 2011-11-01 | 2012-07-25 | 中国石油天然气集团公司 | Rotary optical fiber connector |
| CN203930115U (en) * | 2014-07-02 | 2014-11-05 | 国家电网公司 | A kind of wavelength division multiplexer |
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| CN107861195A (en) | 2018-03-30 |
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