CN201107431Y - Encapsulation structure of optical devices - Google Patents
Encapsulation structure of optical devices Download PDFInfo
- Publication number
- CN201107431Y CN201107431Y CNU2007200562146U CN200720056214U CN201107431Y CN 201107431 Y CN201107431 Y CN 201107431Y CN U2007200562146 U CNU2007200562146 U CN U2007200562146U CN 200720056214 U CN200720056214 U CN 200720056214U CN 201107431 Y CN201107431 Y CN 201107431Y
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- CN
- China
- Prior art keywords
- optical component
- housing
- optical fiber
- tunnel
- encapsulating structure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
The utility model relates to a packaging structure for an optical element, which comprises a shell and a cover. A routing groove and at least one containing chamber containing the optical element are arranged inside the shell. The optical element is fixed in the containing chamber by bond. A transitional block is fixed on the outer wall of the shell. At least one laying sleeve is fixed on the transitional block and communicated with the routing groove via a tunnel positioned on the shell. The middle section of a fibre connected with the optical element is arranged in the routing groove, and after orderly passing through the tunnel and the inner tube of the laying sleeve, the corresponding tip of the fibre is exposed outside the laying sleeve. The cover is fixed on the shell by bond to seal the containing chamber. The packaging structure can reduce the packaging cost of the optical element, has a high rate of finished products and can be conveniently operated.
Description
Technical field
The utility model relates to for example encapsulating structure of channel-splitting filter and/or dispersion compensator of a kind of encapsulating structure or packaging container, particularly optical passive component that the optical component that is applied to the optical communication field is encapsulated.
Background technology
Known optical component, for example channel-splitting filter and/or dispersion compensator, its encapsulation mostly adopts the metal material that can satisfy specific physical condition as housing, such as generally all adopting the less Kovar alloy of expansion coefficient, by laser or high-temperature soldering sealing.In encapsulation process, the characteristic that residing concrete position of optometry components and parts or housing different parts need adapt to requires and the corresponding sealing-in means of employing.For example laser bonding is adopted in the encapsulation between housing and the enclosing cover usually, and scolder filled high-temperature welded seal is generally adopted at the optical fiber position of portalling.No matter be to adopt laser bonding; still scolder filled high-temperature welding; all there are injurious effects in they to the stability of optical component and/or the serviceability rate of fiber optic protection layer; reduced yield rate; and the laser bonding mode need be carried out particular processing or use for example gold material of rare noble metal the welding position; employed welding gear is expensive simultaneously, is unfavorable for the smooth implementation of optical component encapsulation link.
For example, CN200420057817.4 utility model patent document discloses a kind of optical fiber sensitive element metallization packaged structure of not having gel.Its whole use metal is finished the metallization packaged to the optical fiber sensitive element, has obtained optical fiber sensitive element favorable linearity and repeatability.This encapsulating structure mainly comprises optical fiber sensitive element, metal tube or sheet metal, and there is the coat of metal on optical fiber sensitive element surface, and has name a person for a particular job optical fiber sensitive element and metal tube or sheet metal of metal welding to weld together.Although this scheme is applied on the optical fiber sensitive element, point out that as aforementioned introduction remaining aspect the equipment cost of the influence and the welding technology of optical component being used in thermal shock needs the problem considered.
The utility model content
At above-mentioned optical component packaging cost height; device and optical fiber are because of the general problem of thermal shock damaged phenomenon; the utility model aims to provide a kind of optical component encapsulating structure, protects optical component and optical fiber better to reach, and improves the purpose of yield rate.
Optical component encapsulating structure according to the above-mentioned purpose design comprises housing and enclosing cover.Be provided with trough and at least one accommodating chamber that is used to hold optical component in the housing.Optical component by adhesive securement in accommodating chamber.Be fixed with transition block on the housing outer wall.At least one winding displacement cover is fixed on the transition block, and is communicated with trough by the tunnel that is positioned on the housing.The stage casing that connects the optical fiber of optical component is arranged in the trough, and behind the interior pipe that pass through tunnel successively in its corresponding termination and winding displacement overlaps, the naked winding displacement cover that places is outside.Enclosing cover is fixed on the housing by the form of bonding agent with the sealing accommodating chamber.
Usually, approximately radially be provided with the back-up block that docks by adhesive securement with between the enclosing cover in the position at middle part corresponding to enclosing cover in the aforementioned optical component encapsulating structure, its housing.
Preferably, aforementioned optical component encapsulating structure, the position of its housing between trough and winding displacement cover is provided with first pipeline that is communicated with atmosphere and tunnel.In first pipeline, be perfused with the bonding agent that formation is sealedly and fixedly connected between optical fiber that passes through the tunnel and tunnel.
Preferably, aforementioned optical component encapsulating structure, housing are provided with second pipeline that is communicated with enclosure interior and outside atmosphere and stops up with fluid sealant.
More preferably, aforementioned optical component encapsulating structure, the quantity of its accommodating chamber is three, and one of them accommodates channel-splitting filter, and all the other two accommodate dispersion compensator.The quantity of winding displacement cover is three.
Optical component encapsulating structure of the present utility model; utilize for example aluminium alloy making housing of ordinary metallic material; with bonding way the optical component bottom is fixed in the housing; the appropriate location of passing through housing at optical fiber is sealed with the form of a glue and is fixed; using colloid between enclosing cover and housing, to finish sealing bonding; like this; not only reduced the packaging cost of device; and the optical fiber that connects optical component also can access better protection, production technology also played the effect that promotes its simplification.
The drawing explanation
Fig. 1 the utility model optical component encapsulating structure skeleton view.
Fig. 2 the utility model optical component encapsulating structure fragmentary, perspective view.
Fig. 3 the utility model optical component encapsulating structure STRUCTURE DECOMPOSITION synoptic diagram.
Fig. 4 the utility model optical component encapsulating structure partial sectional view.
Optical fiber arrangement synoptic diagram in Fig. 5 a the utility model optical component encapsulating structure.
Beam propagation route synoptic diagram in Fig. 5 b the utility model optical component encapsulating structure.
Embodiment
Shown in Fig. 1,2,3,4, the utility model optical component encapsulating structure 1, it comprises housing 2 and enclosing cover 3.Housing 2 and enclosing cover 3 generally all adopt the aluminum alloy materials preparation.Be provided with trough 201 and three accommodating chambers 202,203,204 in the inner chamber of housing 2.Enclosing cover 3 is fixed on the support platform 214 of housing 2 with the form that seals whole three accommodating chambers 202,203,204 by bonding agent.Trough 201 is distributed in the interior cavity edge of housing 2.Three accommodating chambers 202,203,204 are respectively applied for and hold corresponding optical component.Specifically, by adhesive securement channel-splitting filter 205 is arranged in the accommodating chamber 202, accommodating chamber 203,204 respectively is fixed with a dispersion compensator 2061,2062 by bonding agent.Accommodating chamber 202 is the isosceles triangle distribution of face-off with accommodating chamber 203,204.Be fixed with transition block 207 by bolt 209 on the outer wall of housing 2.Three winding displacements overlap 208 fixed order on transition block 207, and are communicated with trough 201 by the tunnel 210 (referring to Fig. 4) that is arranged in housing 2.Winding displacement cover 208 adopts the elastomeric material preparation usually.The stage casing that connects the optical fiber of channel-splitting filter 205 and dispersion compensator 2061,2062 is arranged in the trough 201, its corresponding termination pass through tunnel successively 210 and the interior pipe of winding displacement cover 208 after, the naked outside that places winding displacement cover 208 is (referring to Fig. 5 a)., be provided with corresponding to the medium position of about in-plane of enclosing cover 3 in the inside of housing 2 with the back-up block 211 by the adhesive securement butt joint between the enclosing cover 3.At the position of housing 2 between trough 201 and winding displacement cover 208, be provided with first pipeline 212 that is communicated with atmosphere and tunnel 210.In first pipeline 212, be perfused with bonding agent, this bonding agent forms between optical fiber that passes through tunnel 210 and tunnel 210 and is sealedly and fixedly connected.On housing 2, also be provided with second pipeline 213 that is communicated with housing 2 inside and outside atmosphere.Whether the airtight conditions that second pipeline 213 is used to detect housing 2 inside reaches designing requirement, and its sealed glue is stopped up usually.
Referring to Fig. 5 a, 5b, channel-splitting filter 205 has two optical fiber and admits port a1, a2.Wherein, optical fiber is admitted port a1 to have two optical fiber and is admitted port, and it is that single fiber is admitted port that optical fiber is admitted port a2.Dispersion compensator 2061,2062 has an optical fiber respectively separately and admits port b1 and b2.Admit port a1 from two optical fiber that the middle winding displacement cover 208 optical fiber A2 that enter optical component encapsulating structure 1 are connected to channel-splitting filter 205, after wherein Chuan Shu light beam admits mouth to enter channel-splitting filter 205 along the direction of filled arrows α shown in Fig. 5 b first optical fiber from two optical fiber admittance port a1, analysed and be divided into the orthogonal light in its polarization direction of two-way, filled arrows β direction shown in curb Fig. 5 b wherein admits second optical fiber the port a1 to admit a mouthful ejaculation from two optical fiber, and hollow arrow γ direction shown in another curb Fig. 5 b admits port a2 to penetrate from single fiber.Admit second optical fiber the port a1 to admit mouthful light beam that penetrates to admit port b1 from two optical fiber by Optical Fiber Transmission to optical fiber, enter dispersion compensator 2061 again, admit port b1 outgoing by identical optical fiber after finishing the dispersion compensation task, then transfer to optical fiber Ab1 in the winding displacement cover 208 that is installed in optical component encapsulating structure 1 below shown in Fig. 5 a along the direction of filled arrows β shown in Fig. 5 b, be transported to the next stage optical system again by being arranged in optical fiber in the trough 201.Admit port b2 from the light beam that single fiber admits port a2 to penetrate by Optical Fiber Transmission to optical fiber, enter dispersion compensator 2062 again, admit port b2 outgoing by identical optical fiber after finishing the dispersion compensation task, then transfer to optical fiber Ab2 in the winding displacement cover 208 that is installed in optical component encapsulating structure 1 top shown in Fig. 5 a along the direction of hollow arrow γ shown in Fig. 5 b, be transported to the next stage optical system again by being arranged in optical fiber in the trough 201.
Optical component encapsulating structure 1 encapsulates channel-splitting filter (Interleaver), the dispersion compensator components and parts such as (Dispersion Compensation Module) except being used to, and can also be used to encapsulation such as wavelength division multiplexer (WDM:Wavelength Division Multiplexer), Coarse Wave Division Multiplexer (CWDM:Coarse Wavelength Division Multiplexer) or the like.
Claims (4)
1. optical component encapsulating structure, comprise housing and enclosing cover, at least one accommodating chamber that it is characterized in that being provided with trough in the described housing and be used to hold described optical component, described optical component by adhesive securement in described accommodating chamber, be fixed with transition block on the described housing outer wall, at least one winding displacement cover is fixed on the described transition block and by the tunnel that is positioned on the described housing and is communicated with described trough, the stage casing that connects the optical fiber of described optical component is arranged in the naked described winding displacement cover outside that places of interior pipe that in the described trough and corresponding termination is passed described tunnel and described winding displacement cover successively, and described enclosing cover is fixed on the described housing with the form that seals described accommodating chamber by bonding agent.
2. optical component encapsulating structure according to claim 1 is characterized in that approximately radially being provided with the back-up block that docks by adhesive securement with between the described enclosing cover in the position at middle part corresponding to described enclosing cover in the described housing.
3. optical component encapsulating structure according to claim 1 and 2, it is characterized in that the position of described housing between described trough and described winding displacement cover is provided with first pipeline that is communicated with atmosphere and described tunnel, is perfused with the bonding agent that formation is sealedly and fixedly connected between optical fiber that passes through described tunnel and described tunnel in described first pipeline.
4. optical component encapsulating structure according to claim 3 is characterized in that described housing is provided with second pipeline that is communicated with its inside and outside atmosphere and stops up with fluid sealant.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNU2007200562146U CN201107431Y (en) | 2007-08-23 | 2007-08-23 | Encapsulation structure of optical devices |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNU2007200562146U CN201107431Y (en) | 2007-08-23 | 2007-08-23 | Encapsulation structure of optical devices |
Publications (1)
Publication Number | Publication Date |
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CN201107431Y true CN201107431Y (en) | 2008-08-27 |
Family
ID=39959241
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNU2007200562146U Expired - Lifetime CN201107431Y (en) | 2007-08-23 | 2007-08-23 | Encapsulation structure of optical devices |
Country Status (1)
Country | Link |
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CN (1) | CN201107431Y (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106470793A (en) * | 2014-07-08 | 2017-03-01 | 大陆汽车有限公司 | Housing for control unit |
-
2007
- 2007-08-23 CN CNU2007200562146U patent/CN201107431Y/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106470793A (en) * | 2014-07-08 | 2017-03-01 | 大陆汽车有限公司 | Housing for control unit |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: United States Link Communications Technology Co., Ltd. Assignor: Oplink Communications Inc. Contract record no.: 2012990000229 Denomination of utility model: Encapsulation structure of optical devices Granted publication date: 20080827 License type: Exclusive License Record date: 20120416 |
|
CX01 | Expiry of patent term |
Granted publication date: 20080827 |
|
CX01 | Expiry of patent term |