CN205910372U - Compact coarse wavelength division multiplexing optical device - Google Patents
Compact coarse wavelength division multiplexing optical device Download PDFInfo
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- CN205910372U CN205910372U CN201620826589.5U CN201620826589U CN205910372U CN 205910372 U CN205910372 U CN 205910372U CN 201620826589 U CN201620826589 U CN 201620826589U CN 205910372 U CN205910372 U CN 205910372U
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Abstract
The utility model discloses a compact coarse wavelength division multiplexing optical device, single fiber collimater and double fiber collimater including the intercoordination to reach the big glass pipe with single fiber collimater and double fiber collimater reciprocal anchorage, does the single fiber collimater include G no. I lens, single fiber tail optical fiber to and is the suit at no. I G lens and single fiber tail optical fiber connect the position and with no. I G no. I glass pipe of lens and single fiber tail optical fiber reciprocal anchorage, does the double fiber collimater include G no. II lens, double fiber tail optical fiber to and no. II glass pipes of suit in double fiber tail optical fiber rear end. The utility model discloses compact structure is small and exquisite, and the reducible module shared space in when equipment that is used in is favorable to systematic superintegration.
Description
Technical field
This utility model is related to fiber optic communication field, more particularly to a kind of compact CWDM optical device.
Background technology
Cwdm(Coarse Wave Division Multiplexer) it is a kind of inexpensive wdm transmission technology towards Metropolitan Area Network (MAN) Access Layer.From principle
Say, cwdm is exactly to be multiplexed the optical signal of different wave length using optical multiplexer to be transmitted to simple optical fiber, in the reception of link
Mixed signal in optical fiber is decomposed into the signal of different wave length, is connected to corresponding receiving device by end by optical demultiplexer.
In the case that in communication system function, increasingly complexity, assembly get more and more, CWDM optical device needs in less space
Inside realize same function, be beneficial to the High Density Integration of system.
Content of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, provides a kind of compact CWDM light device
Part, reduces taking up room in module assembled, maintains the stability of low cost and performance parameters.
In order to achieve the above object, the technical solution adopted in the utility model is:
A kind of compact CWDM optical device, including the single fiber collimator intercoupling and double fibre collimator, and
The big glass tubing that single fiber collimator and double fibre collimator are interfixed；The described single fiber collimator number of inclusion g-lens lens, list
Fine tail optical fiber, and the number of being sleeved on g-lens lens and single fiber tail optical fiber connecting portion and by g-lens lens and single fiber tail
The flint glass F pipe that fibre interfixes；The described double fibre collimator number of inclusion g-lens lens, double fibre tail optical fiber, and it is sleeved on double
The flint glass F pipe of fine tail optical fiber rear end.
Described g-lens lens front is straight plane, and is pasted with filter plate.
Described flint glass F tube end exceeds the tail end of double fibre tail optical fibers, and is filled with beyond in the flint glass F pipe at position
Silica gel.
Described g-lens lens, single fiber tail optical fiber, number g-lens lens, double fibre tail optical fiber and a diameter of 1mm of filter plate.
Described big glass tube external diameter is 3mm.
Described CWDM optical device length is 30mm.
When producing, single fiber collimator and double fibre collimator synchronously make this utility model；When making double fibre collimator,
First by filter plate and number g-lens lens bonding, then with double fibre pigtail couplings, followed by bonding double fibre tail optical fiber afterbody number
Cuvette, then stamp silica gel in the end of number cuvette, protection optical fiber is not broken；When making single fiber collimator, first
By the g-lens lens number of proceeding to cuvette, then adjusting single fiber tail optical fiber makes Insertion Loss meet requirement；Again by single fiber collimator
Exchange with double fibre collimators and be coupled into device.This utility model single fiber collimator and double fibre collimators all using g-lens lens,
Convenient making, easy to assembly between each structural member, mounted configuration is compact.
Brief description
Fig. 1 is overall structure diagram of the present utility model.
The big glass tubing of in figure label: 1-, 21- g-lens lens, 22- single fiber tail optical fiber, 23- flint glass F pipe, No. 31-
G-lens lens, 32- double fibre tail optical fiber, 33- flint glass F pipe, 4- filter plate.
Specific embodiment
It is described in detail referring to the drawings with reference to embodiment, to enter to technical characteristic of the present utility model and advantage
Row deeper into annotation.
As shown in figure 1, a kind of compact CWDM optical device, including the single fiber collimator intercoupling and double fine standard
Straight device, and the big glass tubing 1 that single fiber collimator and double fibre collimator are interfixed；The described single fiber collimator number of inclusion g-
Lens lens 21, single fiber tail optical fiber 22, and the number of being sleeved on g-lens lens 21 and single fiber tail optical fiber 22 connecting portion and will number
The flint glass F pipe 23 that g-lens lens 21 and single fiber tail optical fiber 22 interfix；The described double fibre collimator number of inclusion g-lens is saturating
Mirror 31, double fibre tail optical fiber 32, and it is sleeved on the flint glass F pipe 33 of double fibre tail optical fiber 32 rear ends, the number of stating g-lens lens 31 front end
For straight plane, and it is pasted with filter plate 4；Flint glass F pipe 33 end exceeds the tail end of double fibre tail optical fibers 32, and beyond position
It is filled with the silica gel for protecting optical fiber in flint glass F pipe 33,.
Number g-lens lens 21, single fiber tail optical fiber 22, number g-lens lens 31, double fibre tail optical fiber 31 and filter plate 4 are a diameter of
1mm, big glass tubing 1 external diameter is 3mm, and entire length is 30mm.Number g-lens lens 21 and number g-lens lens 31 are one end
Straight plane, one end tapered plane, tapered plane is bonding with single fiber tail optical fiber 22 or double fibre tail optical fiber 31, and light inputs from straight plane or exports.This
Device in two cuvettes of utility model is all fixed using bonding way, is attached without other fixtures, therefore may be used
Reduce entire outer diameter, and shorten length, taking up room when capable of reducing using.
When producing, single fiber collimator and double fibre collimator synchronously make this utility model；When making double fibre collimator,
First by filter plate 4 and number g-lens lens 31 bonding, then couple with double fibre tail optical fibers 32, followed by bonding double fibre tail optical fiber afterbody
Number cuvette 33, then stamp silica gel in the end of number cuvette 33, protection optical fiber is not broken；Make single fiber collimation
During device, first by g-lens lens 21 number of proceeding to cuvette 23, then adjusting single fiber tail optical fiber 22 makes Insertion Loss meet requirement；Again
Single fiber collimator and double fibre collimator are exchanged and be coupled into device.This utility model single fiber collimator and double fibre collimator all adopt
G-lens lens, convenient making, easy to assembly between each structural member, mounted configuration is compact.
Clear, complete description is carried out to this utility model by the technical scheme in above example it is clear that described
Embodiment be this utility model part embodiment, rather than whole embodiment.Based on the enforcement in this utility model
Example, the every other embodiment that those of ordinary skill in the art are obtained under the premise of not making creative work, broadly fall into
The scope of this utility model protection.
Claims (6)
1. a kind of compact CWDM optical device it is characterised in that: include the single fiber collimator that intercouples and double fine accurate
Straight device, and the big glass tubing that single fiber collimator and double fibre collimator are interfixed；
The described single fiber collimator number of inclusion g-lens lens, single fiber tail optical fiber, and the number of being sleeved on g-lens lens and single fiber tail
Fine connecting portion and flint glass F pipe that number g-lens lens and single fiber tail optical fiber interfix；
The described double fibre collimator number of inclusion g-lens lens, double fibre tail optical fiber, and number glass being sleeved on double fibre tail optical fiber rear ends
Glass pipe.
2. compact CWDM optical device according to claim 1 it is characterised in that: described g-lens lens
Front end is straight plane, and is pasted with filter plate.
3. compact CWDM optical device according to claim 2 it is characterised in that: described flint glass F tube end
Beyond the tail end of double fibre tail optical fibers, and it is filled with silica gel beyond in the flint glass F pipe at position.
4. compact CWDM optical device according to claim 3 it is characterised in that: described g-lens lens,
Single fiber tail optical fiber, number g-lens lens, double fibre tail optical fiber and a diameter of 1mm of filter plate.
5. compact CWDM optical device according to claim 4 it is characterised in that: described big glass tube external diameter is
3mm.
6. according to the arbitrary described compact CWDM optical device of claim 1-5 it is characterised in that: described thick wavelength-division is multiple
It is 30mm with light device length.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620229407 | 2016-03-24 | ||
| CN2016202294076 | 2016-03-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205910372U true CN205910372U (en) | 2017-01-25 |
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ID=57803756
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620826589.5U Active CN205910372U (en) | 2016-03-24 | 2016-08-02 | Compact coarse wavelength division multiplexing optical device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205910372U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112083529A (en) * | 2020-09-23 | 2020-12-15 | 四川天邑康和通信股份有限公司 | Coarse wavelength division multiplexer |
| CN112925063A (en) * | 2021-01-26 | 2021-06-08 | 武汉沃隆云网通信技术股份有限公司 | Wavelength division multiplexer and production method |
-
2016
- 2016-08-02 CN CN201620826589.5U patent/CN205910372U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112083529A (en) * | 2020-09-23 | 2020-12-15 | 四川天邑康和通信股份有限公司 | Coarse wavelength division multiplexer |
| CN112925063A (en) * | 2021-01-26 | 2021-06-08 | 武汉沃隆云网通信技术股份有限公司 | Wavelength division multiplexer and production method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 511500 Guangdong province Qingyuan City Chau heart dragon road No. 1 Patentee after: Guangdong yiyuantong Technology Co.,Ltd. Address before: 511500 Guangdong province Qingyuan City Chau heart dragon road No. 1 Patentee before: Qingyuan Yiyuantong Optoelectronics Technology Co.,Ltd. |