CN201662634U - Fiber array with high integrated level - Google Patents
Fiber array with high integrated level Download PDFInfo
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- CN201662634U CN201662634U CN2010201183859U CN201020118385U CN201662634U CN 201662634 U CN201662634 U CN 201662634U CN 2010201183859 U CN2010201183859 U CN 2010201183859U CN 201020118385 U CN201020118385 U CN 201020118385U CN 201662634 U CN201662634 U CN 201662634U
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- optical fiber
- shaped groove
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- fiber array
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Abstract
The utility model discloses a fiber array with a high integrated level, which comprises a V-shaped slot baseplate, at least one optical fiber, and a cover plate. V-shaped slots arranged side by side in one line are formed on the surface of the V-shaped slot baseplate; the light-out end(s) of the optical fiber(s) is(are) mounted in the V-shaped slots of the V-shaped slot baseplate side by side; the cover plate is covered on the V-shaped slots; the V-shaped slot baseplate, the optical fiber and the cover plate are bonded together; the light-out end of the optical fiber is provided with a minor diameter section; and a tapered transition section is arranged between the minor diameter section and the standard diameter section. The utility model enables the integrated level of the fiber array to be higher through the arrangement of the minor diameter section and the tapered transition section, and at the same time maintains the original mechanical characteristics and optical characteristics of the optical fiber.
Description
Technical field
The utility model relates to technical field of optical fiber communication, a kind of high integration fiber array of specific design.
Background technology
Fiber array is multichannel micro-optical device, as one of ingredient important among PLC (planar light radio frequency channel shunt), CWDM (Coarse Wavelength Division Multiplexing), DWDM (dense wave division multipurpose), the WSS (wavelength-selective switches), form by specific technique for sticking by V-shaped groove substrate, optical fiber and cover plate usually.
Because, generally, reduce single-mode fiber the covering external diameter can influence its mechanical property and optical characteristics.Therefore, the optical fiber spacing is 125 microns or 250 microns in the fiber array at present, and wherein used optical fiber is 125 microns single-mode fiber for the covering external diameter.Because the covering external diameter of optical fiber is 125um, the channel pitch of made fiber array is necessarily more than or equal to 125um.When the port number of fiber array increased, the volume of fiber array increased thereupon, and its volume can not satisfy the use of specific occasion.
The utility model content
In order to address the above problem, the purpose of this utility model is to provide the high integration that a kind of mechanical property is constant and integrated level is higher fiber array.
To achieve these goals, the technical solution adopted in the utility model is:
A kind of high integration fiber array, it comprises:
One V-shaped groove substrate, described V-shaped groove upper surface of base plate are provided with a single file row V-shaped groove side by side;
At least one optical fiber, the optical fiber bright dipping end of described optical fiber is installed in the V-shaped groove of described V-shaped groove substrate side by side;
One cover plate, described cover plate cover described V-shaped groove top;
Described V-shaped groove substrate, optical fiber, cover plate bond together;
Described optical fiber bright dipping end is provided with a reduced diameter section, is provided with a tapering transition section between described reduced diameter section and the normal diameter section;
The optical fiber bright dipping end of described optical fiber is installed in the V-shaped groove of described V-shaped groove substrate, specifically side by side: reduced diameter section is installed in the V-shaped groove of described V-shaped groove substrate side by side.
For integrated level is higher, adopt concentrated sulphuric acid immersion process to remove the coat of optical fiber appearance, adopt the hydrofluoric acid dips method to reduce the fibre cladding external diameter, make the reduced diameter section diameter: more than or equal to 31.5 microns, smaller or equal to 32.5 microns.
Comprehensive integration degree and mechanical property and optical characteristics are considered, and the reduced diameter section diameter optimum value of the utility model optical fiber is 32 microns.
In order to keep mechanical property and optical characteristics, described reduced diameter section length: more than or equal to 20 millimeters, smaller or equal to 30 millimeters.
Comprehensive integration degree and mechanical property and optical characteristics are considered, and the reduced diameter section length optimum value of the utility model optical fiber is 25 millimeters.
In order to keep mechanical property and optical characteristics, described tapering transition segment length: more than or equal to 3 millimeters, smaller or equal to 5 millimeters.
Comprehensive integration degree and mechanical property and optical characteristics are considered, and the transition section length optimum value of the utility model optical fiber is 4 millimeters.
The utility model only is provided with a reduced diameter section and tapering transition section at the optical fiber bright dipping end of optical fiber, does not reduce the original normal diameter of optical fiber, when making the integrated level of fiber array higher, can also keep original mechanical property of optical fiber and optical characteristics.
The beneficial effects of the utility model are:
1, the utility model by reducing the external diameter of optical fiber bright dipping end covering, can be used for making the more multichannel light fibre array of small size.
2, the utility model is by being provided with the tapering transition section of fibre cladding, the physical strength of the optical fiber that can keep.
3, utilize the utility model, can reduce the size in fiber array bright dipping zone.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present utility model, constitutes the application's a part, does not constitute to improper qualification of the present utility model, in the accompanying drawings:
Fig. 1 is the utility model structural representation;
Fig. 2 is an optical fiber bright dipping end structure synoptic diagram of the present utility model.
Number in the figure is:
1, V-shaped groove substrate 11, V-shaped groove
2, optical fiber 21, optical fiber bright dipping end
211, reduced diameter section 212, tapering transition section
213, normal diameter section 3, cover plate
Embodiment
Describe the utility model in detail below in conjunction with accompanying drawing and specific embodiment, be used for explaining the utility model in this illustrative examples of the present utility model and explanation, but not as to qualification of the present utility model.
Embodiment one
As shown in Figure 1, the utility model discloses a kind of high integration fiber array, it comprises: V-shaped groove substrate 1, optical fiber 2, cover plate 3; V-shaped groove substrate 1 upper surface is provided with a single file row V-shaped groove 11 side by side; Optical fiber bright dipping end 21 at optical fiber 2 is provided with a reduced diameter section 211, this reduced diameter section 211: diameter R is that 32 microns, length A are 25 millimeters; Be provided with a tapering transition section 212 between 213 sections of reduced diameter section 211 and the normal diameters, this tapering transition section 212 length B are 4 millimeters; The reduced diameter section 211 of optical fiber 2 is installed in the V-shaped groove 11 of V-shaped groove substrate 1 side by side, and cover plate 3 covers V-shaped groove 11 tops, and V-shaped groove substrate 1, optical fiber 2, cover plate 3 bond together.
The utility model adopts the concentrated sulphuric acid to soak the coat that removes away optical fiber 2 appearances.The main composition of fibre cladding and fiber core is SiO2.The main composition of the coat of optical fiber is an organic polymer.The temperature and the time of optical fiber in the concentrated sulphuric acid of the control concentrated sulphuric acid make the coat of optical fiber dissolve fully during preparation.
The utility model adopts hydrofluorite corrosion optical fiber to control the covering external diameter of optical fiber after the etching.Temperature, the optical fiber of preparation time control hydrogen manufacturing fluoric acid immerse the length of hydrofluorite and the size that the time length of optical fiber in hydrofluorite is controlled final fibre cladding external diameter.
The utility model is controlled the etched degree of transitional region by the length of slow lifting optical fiber residence time of controlling the optical fiber different piece in hydrofluorite.Thereby change the speed of slowly lifting and length and the shape that acceleration changes the transition conical region.The intensity of the transitional region of the optical fiber after the feasible corrosion of the structure of transitional region is kept, and makes the qualification rate of this type optical fiber array manufacturing process be improved.
The utility model completely cut off the optical fiber in non-reaction zone territory and contacting of hydrofluorite by add inert fluid on hydrofluorite surface, with assurance non-reaction zone territory be not corroded and the optical fiber lifting leave hydrofluorite after chemical reaction stop immediately.The proportion of inert fluid is lighter than hydrofluorite, evenly float over hydrofluorite surface and not with hydrofluorite generation chemistry or physical reactions.Inert fluid and optical fiber soak into well, but under the hydrofluorite liquid level non-cohesive again surface at optical fiber.The selection of inert fluid guarantees the etched degree uniformity of optical fiber.
The above only is a most preferred embodiment of the present utility model, wherein:
Reduced diameter section 211 diameters more than or equal to 31.5 microns, smaller or equal to 32.5 microns;
Reduced diameter section 211 length more than or equal to 20 millimeters, smaller or equal to 30 millimeters;
Tapering transition section 212 length more than or equal to 3 millimeters, smaller or equal to 5 millimeters;
Can when the integrated level that makes fiber array is higher, can also keep original mechanical property of optical fiber and optical characteristics.
More than technical scheme that the utility model embodiment is provided be described in detail, used specific case herein principle and the embodiment of the utility model embodiment are set forth, the explanation of above embodiment only is applicable to the principle that helps to understand the utility model embodiment; Simultaneously, for one of ordinary skill in the art, according to the utility model embodiment, the part that on embodiment and range of application, all can change, in sum, this description should not be construed as restriction of the present utility model.
Claims (7)
1. high integration fiber array, it comprises:
One V-shaped groove substrate (1), described V-shaped groove substrate (1) upper surface are provided with a single file row V-shaped groove (11) side by side;
At least one optical fiber (2), the optical fiber bright dipping end (21) of described optical fiber (2) are installed in the V-shaped groove (11) of described V-shaped groove substrate (1) side by side;
One cover plate (3), described cover plate (3) cover described V-shaped groove (11) top;
Described V-shaped groove substrate (1), optical fiber (2), cover plate (3) bond together;
It is characterized in that:
Described optical fiber bright dipping end (21) is provided with a reduced diameter section (211), is provided with a tapering transition section (212) between described reduced diameter section (211) and the normal diameter section (213);
The optical fiber bright dipping end (21) of described optical fiber (2) is installed in the V-shaped groove (11) of described V-shaped groove substrate (1), specifically side by side: reduced diameter section (211) is installed in the V-shaped groove of described V-shaped groove substrate side by side.
2. high integration fiber array according to claim 1 is characterized in that:
Described reduced diameter section (211) diameter: more than or equal to 31.5 microns, smaller or equal to 32.5 microns.
3. high integration fiber array according to claim 2 is characterized in that:
Described reduced diameter section (211) diameter is 32 microns.
4. high integration fiber array according to claim 1 is characterized in that:
Described reduced diameter section (211) length: more than or equal to 20 millimeters, smaller or equal to 30 millimeters.
5. high integration fiber array according to claim 4 is characterized in that:
Described reduced diameter section (211) length is 25 millimeters.
6. high integration fiber array according to claim 1 is characterized in that:
Described tapering transition section (212) length: more than or equal to 3 millimeters, smaller or equal to 5 millimeters.
7. high integration fiber array according to claim 6 is characterized in that:
Described tapering transition section (212) length is 4 millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201183859U CN201662634U (en) | 2010-02-09 | 2010-02-09 | Fiber array with high integrated level |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201183859U CN201662634U (en) | 2010-02-09 | 2010-02-09 | Fiber array with high integrated level |
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| Publication Number | Publication Date |
|---|---|
| CN201662634U true CN201662634U (en) | 2010-12-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201183859U Expired - Lifetime CN201662634U (en) | 2010-02-09 | 2010-02-09 | Fiber array with high integrated level |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102565925A (en) * | 2012-01-17 | 2012-07-11 | 清华大学 | Method for preparing microfine optical fiber by adopting chemical corrosion method |
| CN104391352A (en) * | 2014-12-09 | 2015-03-04 | 武汉光迅科技股份有限公司 | Optical fiber array with ultra-small core space |
| CN109407240A (en) * | 2018-11-22 | 2019-03-01 | 中山市美速光电技术有限公司 | Optical fiber head made of the manufacturing method and application this method of a kind of multi-core optical fiber head |
| CN111158090A (en) * | 2020-03-17 | 2020-05-15 | 中山市美速光电技术有限公司 | 45-degree optical fiber array with small optical fiber diameter and operation method thereof |
| CN111198417A (en) * | 2020-03-17 | 2020-05-26 | 中山市美速光电技术有限公司 | 2XN optical fiber array and manufacturing method thereof |
-
2010
- 2010-02-09 CN CN2010201183859U patent/CN201662634U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102565925A (en) * | 2012-01-17 | 2012-07-11 | 清华大学 | Method for preparing microfine optical fiber by adopting chemical corrosion method |
| CN104391352A (en) * | 2014-12-09 | 2015-03-04 | 武汉光迅科技股份有限公司 | Optical fiber array with ultra-small core space |
| CN109407240A (en) * | 2018-11-22 | 2019-03-01 | 中山市美速光电技术有限公司 | Optical fiber head made of the manufacturing method and application this method of a kind of multi-core optical fiber head |
| CN111158090A (en) * | 2020-03-17 | 2020-05-15 | 中山市美速光电技术有限公司 | 45-degree optical fiber array with small optical fiber diameter and operation method thereof |
| CN111198417A (en) * | 2020-03-17 | 2020-05-26 | 中山市美速光电技术有限公司 | 2XN optical fiber array and manufacturing method thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20101201 |
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| CX01 | Expiry of patent term | ||
| DD01 | Delivery of document by public notice |
Addressee: AUXORA (SHENZHEN), Inc. Document name: Notification of Expiration of Patent Right Duration |
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| DD01 | Delivery of document by public notice |