CN100409508C - Optical amplifier module housed in a universal cable joint for an undersea optical transmission system - Google Patents
Optical amplifier module housed in a universal cable joint for an undersea optical transmission system Download PDFInfo
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- CN100409508C CN100409508C CNB200380104765XA CN200380104765A CN100409508C CN 100409508 C CN100409508 C CN 100409508C CN B200380104765X A CNB200380104765X A CN B200380104765XA CN 200380104765 A CN200380104765 A CN 200380104765A CN 100409508 C CN100409508 C CN 100409508C
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- 230000005540 biological transmission Effects 0.000 title description 5
- 239000013307 optical fiber Substances 0.000 claims abstract description 39
- 239000000835 fiber Substances 0.000 claims abstract description 31
- 230000013011 mating Effects 0.000 claims description 21
- 230000001681 protective effect Effects 0.000 claims 4
- 238000007789 sealing Methods 0.000 claims 2
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- 239000004020 conductor Substances 0.000 description 6
- 238000005086 pumping Methods 0.000 description 6
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- 229910052802 copper Inorganic materials 0.000 description 5
- 239000010949 copper Substances 0.000 description 5
- -1 polyethylene Polymers 0.000 description 5
- 239000004698 Polyethylene Substances 0.000 description 4
- 229920000573 polyethylene Polymers 0.000 description 4
- 229910001220 stainless steel Inorganic materials 0.000 description 4
- 239000010935 stainless steel Substances 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
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- 230000004888 barrier function Effects 0.000 description 2
- 230000002146 bilateral effect Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000005538 encapsulation Methods 0.000 description 2
- 210000003205 muscle Anatomy 0.000 description 2
- 230000011664 signaling Effects 0.000 description 2
- 229910052691 Erbium Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 235000019994 cava Nutrition 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
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- UYAHIZSMUZPPFV-UHFFFAOYSA-N erbium Chemical compound [Er] UYAHIZSMUZPPFV-UHFFFAOYSA-N 0.000 description 1
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- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
An optical amplifier module contains at least one optical amplifier. The module includes an internal housing having an outer dimension substantially equal to an outer dimension of an internal fiber splice housing of an undersea optical fiber cable joint. The internal housing includes a pair of opposing end faces each having a retaining element for retaining the internal housing within an outer housing of the undersea optical fiber cable joint. The internal housing also includes a sidewall interconnecting the opposing end faces, which extends between the opposing end faces in a longitudinal direction. The sidewall includes a receptacle portion having a plurality of thru-holes each being sized to receive a passive optical component employed in an optical amplifier.
Description
Statement of related applications
Present patent application requires the U.S. Provisional Patent Application 60/427769 that is entitled as " being arranged in the optical amplifier module in the universal cable joint " that on November 19th, 2002 submitted to is enjoyed priority.
Technical field
The present invention relates to field of optical repeaters, and the optical repeater that relates more specifically in undersea optical transmission system, use.
Background technology
In undersea optical transmission system, the optical signalling by optical cable transmission is along with the length of optical cable decays, and wherein, optical cable can be crossed over several thousand miles.In order to compensate this signal attenuation, on key position, arrange optical repeater along cable length.
In typical optical repeater, the optical cable that transmits optical signalling enters repeater, and, before optical cable leaves repeater by at least one amplifier and various assembly and with the repeater coupling, wherein, described various assemblies for example are optical coupler and decoupler.These optical modules are coupled mutually by optical fiber.Repeater is contained in the hermetically-sealed construction, and this structural defence repeater is avoided environmental nuisance.In process of deployment, reel is around to the cylinder that is positioned on the steamer.Thereby repeater is wound on the cylinder along with optical cable.Since the character of signal, and the information transmitted amount constantly increases in optical fiber, and it is increasing that repeater becomes, and when repeater was wound on the cylinder, the length that repeater increases had problems.Although the diameter of cylinder is up to the 9-12 foot,, the length of current repeater is greater than 5 feet, thus repeater can not flatten along cylinder, perhaps or even straight substantially.Connect tie point between the optical cable at repeater and its and be subjected to the huge stress that produces because of up to about 100000 pounds power, especially optical cable emit with winding process in all the more so.Because the end at optical cable and repeater acts on serious local buckling on optical cable, thereby on optical cable, produce thrust loads such as non-.When the tensile strength of duty ratio optical cable itself was much lower, this load caused the fiber cable assembly fault inevitably.
In order in the process of deployment of repeater, to prevent Cable's Fault, bending restrictor often is set, its objective is that to make the power that affacts on the optical cable even.In addition, each the vertical end at repeater connection bend limiting device is provided with universal joint.Universal joint provides angular movement freely on both direction.Between repeater and bend limiting device, the angle of bend that universal joint allowed further reduces to affact the local buckling on the optical cable.
The big physical size of conventional repeater increases their complexity and cost, causes difficulty simultaneously in their process of deployment.
Summary of the invention
According to the present invention, provide a kind of optical amplifier module that comprises at least one optical amplifier.Described module comprises inner housing, and wherein, the external diameter of the internal optical fiber joint housing of the external diameter of described inner housing and seabed cable joint is basic identical.Inner housing comprises a pair of opposite end face, and each all has the holding element that is used for keeping inner housing in the shell body of seabed cable joint described end face.The sidewall that inner housing also comprises and opposite end face interconnects and extends between opposite end face in a longitudinal direction.Sidewall comprises container part, and described container part has a plurality of through holes, and the size of each described through hole can be contained in the passive optical components that uses in the optical amplifier.
According to an aspect of the present invention, a plurality of through hole extends laterally across the container part of sidewall in a longitudinal direction.
According to a further aspect in the invention, inner housing has and is roughly columniform shape.The container part of sidewall has the curvature of definition cylindrical shape diameter.
According to a further aspect in the invention, seabed cable joint is the universal joint that is used to engage the optical cable with different configurations.
According to a further aspect in the invention, universal joint comprises a pair of cable termination units, keeps the end with engaged optical cable in cable termination units respectively.Each all can be connected holding element with a cable termination units.
According to a further aspect in the invention, each all comprises flange holding element, and at least one optical fiber extends through described flange from the end of an optical cable, extends in the inner housing.
According to a further aspect in the invention, in inner housing, arrange the optical fiber storage area.
According to a further aspect in the invention, be provided for supporting the support component of at least one circuit board, on circuit board, arrange the electronic component relevant with optical amplifier.
According to a further aspect in the invention, the optical fiber storage district comprises at least one fiber spool, and optical fiber can be wrapped on the fiber spool.
According to a further aspect in the invention, inner housing is formed by a pair of half-cell, and described each half-cell all has the mating surface that extends in comprising the fore-and-aft plane of longitudinal direction.Half-cell is connected to each other along mating surface.
According to a further aspect in the invention, the support component of support circuit plate is arranged to such an extent that make circuit board and mating surface form continuous substantially plane.
According to a further aspect in the invention, support component is by extending internally from mating surface and determining to the flange of lower recess.
According to a further aspect in the invention, sidewall comprises the muscle shape parts of a pair of container part longitudinal extension from sidewall.Each all has the tension rod through hole that laterally runs through extension at longitudinal direction muscle shape parts, and described tension rod through hole is used to support the used tension rod of seabed cable joint.
According to a further aspect in the invention, the external diameter of inner housing is less than about 15cm * 50cm.
According to a further aspect in the invention, the external diameter of inner housing is about 7.5cm * 15cm.
Description of drawings
Fig. 1 illustrates the example of submarine fiber cable.
Fig. 2 illustrates the rough schematic view of the universal cable joint that is used for being connected the optical cable that undersea optical telecommunication systems uses.
Fig. 3 illustrates the instantiation of the universal cable joint that obtains from Global Marine Systems Limited and the Universal JointConsortium.
Fig. 4 illustrates the perspective view of optical amplifier module constructed according to the invention.
Fig. 5 and 6 illustrates the different perspective views of one of half-cell of formation optical amplifier module shown in Figure 4.
Embodiment
The inventor has realized that: realize very little repeater by the length that at first reduces repeater, thereby the stress that affacts in process of deployment on the repeater reduces greatly, cancels universal joint thus.The cancellation of universal joint allows further to reduce the size of repeater again.
The inventor further recognizes: the repeater that size fully reduces can be contained in the unit that is formed by the ready-made assembly that is fit to environments such as subsea.Particularly, the inventor has realized that: the housing of the different submarine fiber cables that are generally used for interconnecting also can be used as the minimum repeater housings of form factor.As discussed below, such housing, so-called cardan has in fact become the global standards that are used to keep submarine cable, and has very long successful laying historical.The present invention thereby a kind of repeater is provided because the repeater size is little, therefore lays easily and is arranged in economy, qualified seabed housing, wherein, has set up this housing well in the undersea optical communications industry.And, the different optical cable because universal joint can interconnect, therefore, repeater can be used for various optical cables and the system interface with different manufacturers.
For helping to understand the present invention, the example of submarine fiber cable is described in conjunction with Fig. 1.Though different fiber optic cable makers is used the optical cable with different configurations and size, no matter what form of use, most of optical cables all use most of assembly shown in Figure 1.Optical cable 330 comprises a gel filled separator tube 332 that is positioned at central authorities, and separator tube 332 is by making such as aluminium or stainless metal.Gel filled separator tube 332 comprises optical fiber 335.In some cases, the king wire that separator tube 332 usefulness are positioned at central authorities substitutes, and wherein, the optical fiber that king wire is embedded in the polymer centers on.Two-layer twisted wire as strength member is wrapped on the separator tube.One deck comprises twisted wire 338, and another layer comprises twisted wire 339.Copper conductor 340 centers on twisted wire, and as electric conductor and air-tightness barrier layer.The oversheath 342 that is formed by polyethylene encapsulates copper conductors 340, and as insulating barrier.
Fig. 2 illustrates the rough schematic view of the universal cable joint that is used for being connected the optical cable that undersea optical telecommunication systems uses.This joint is called universal cable joint, many dissimilar undersea optical communication cables because it can interconnect, and irrelevant with manufacturer.Fiber cable joint comprises common unit assembly 10, and the fiber splices place is positioned at this common unit assembly 10.The fiber splices place is formed by two optical fiber from two optical cables respectively, and every optical cable all ends in the cable termination units 12.Protection assembly 15 is not subjected to external environment around common unit assembly 10 and cable termination units 12 so that protection to be provided.
Fig. 3 illustrates the instantiation of the universal cable joint that obtains from Global Marine Systems Limited and the Universal JointConsortium, and as previously mentioned, universal cable joint often abbreviates universal joint as.Fig. 2 and 3 and subsequent figure in, identical reference number is represented components identical.In Fig. 3, protection assembly 15 shown in Figure 2 comprises around the stainless steel sleeve pipe 14 of common unit assembly 10 and is molded in polyethylene sleeve pipe 16 on the common unit assembly 10.Stainless steel sleeve pipe 14 provides the opposing that stretches, reverses with compressive load, and conductive path further is provided, and by this conductive path, electrical power can be sent to the copper conductor of another root optical cable from the copper conductor of an optical cable.
By oversheath, copper conductor, twisted wire and the optical fiber encapsulation (as comprise the separator tube of optical fiber or the king wire that by optical fiber centered on) of each layer to expose predetermined length of peelling off optical cable, thus the beginning engaging process.Twisted wire is clipped in the ferrule that is arranged in cable termination units 12.The optical fiber encapsulation extends in the common unit assembly 10, and at this, optical fiber encapsulates because of a series of clip fix in position.In common unit assembly 10, separate each root optical fiber and join the corresponding optical fiber of another optical cable to.Joint and unnecessary optical fiber are broken into ring, and are wrapped in the common unit assembly 10 interior formed passages.Common unit assembly 10 is inserted in the stainless steel sleeve pipe 14, and end cap 13 is screwed on each end of assembly 10.Two tension rod 17 and 19 extend through end cap 13 and common unit assembly 10.When joint when steamer is sent to environments such as subsea, tension rod 17 and 19 is designed to carry the tensile load that affacts in the process of deployment on the universal joint.At last, joint is placed in the mechanograph (that is, polyethylene sleeve pipe 16) of using the melting polyethylene injection molding, and so that insulation to be provided, wherein, the oversheath of described mechanograph and optical cable is continuous.
The inventor has realized that: can revise the fiber cable joint of universal cable joint shown in Fig. 2-3, to be used as the repeater housings of wherein arranging one or more optical amplifiers.Fig. 4-6 illustrates an embodiment of the optical amplifier module 400 of common unit assembly 10 shown in replacement Fig. 1-4.Optical amplifier module 400 must have and the essentially identical size of common unit assembly, only is about 7.5cm * 15cm.As previously mentioned, this size is far smaller than the size of conventional repeater housings, and the length of conventional repeater housings often is several feet.The module of optical amplifier shown in the figure 400 can be supported 4 erbium-doped fiber amplifiers (EDFA), and described EDFA physical packets is the bilateral amplifier unit that is used for one of two pairs of optical fiber.Certainly, the present invention comprises the optical amplifier module that can support any amount EDFA.
Each optical amplifier all comprises Er-doped fiber, optical pump source, insulator and gain flattening filter (GFF).Cross-linked pump laser pair amplifier carries out the pumping of single-stage forward direction.If one of two pump lasers break down, three-dB coupler just allows two Er-doped fiber coils in the bilateral amplifier by pumping.At output, insulator avoids backscattered light to enter amplifier.Gain flattening filter is designed to make the amplifier gain planarization under the design input power.Other light path can be provided, arrive rightabout, realize the monitoring of COTDR molded lines road with the filtering part reverse coupled that allows the backscattered light in arbitrary optical fiber.Certainly, optical amplifier module 400 can support to have the EDFA of different configurations such as the fiber amplifier of casacade multi-amplifier, forward direction and backward pumping amplifier and use other rare earth element except that erbium.
Fig. 4 illustrates the perspective view of optical amplifier module 400.Module 400 is by being roughly the cylindrical configuration definition, and wherein, this structure has the flange 402 that is positioned on the opposite end face 403.Flange 402 closely cooperates with the cable termination units 12 of universal joint shown in Figure 3.Through hole 407 extends internally from end face 403, inserts the tension rod of universal joint by described through hole 407.End face 403 also comprises and is used for the end cap 13 of universal joint is fastened to mesopore 430 on the optical amplifier module 400.Mesopore 430 is positioned on the straight line with the straight line quadrature that is connected tension rod through hole 407.
Fore-and-aft plane 405 extends through optical amplifier module 400, and thus module 400 being divided equally is two half-cells 404
1With 404
2, wherein, half-cell 404
1With 404
2Rotating shafts relative and fore-and-aft plane 405 quadratures are symmetrical.That is to say, be not that end face 403 is divided into two parts that are positioned on the different half-cells 404, but each half-cell 404 all comprises the part of arranging an end face 403 of each flange 402 on it.Fig. 5 illustrates the perspective view of one of unit 404.In the embodiment of the invention shown in Fig. 4-6, each half-cell 404 all holds two erbium-doped fiber amplifiers.
As shown in Figure 5, each unit 404 all comprises the curved surface sidewall 412 that forms semicylinder, and wherein, curved surface sidewall 412 is determined the part of cylindrical structure.Spinal member 406 becomes integral body and tangent with it with curved surface sidewall 412, and longitudinal extension from then on.The through hole 407 that comprises the universal joint tension rod extends through spinal member 406.Mating surface 408 is 404 the extension on every side along the unit in fore-and-aft plane 405.When assembling optical amplifier module 400, unit 404
1 Mating surface 408 and its corresponding unit 404
2 Mating surface 408 contact.Side set 410 is positioned on the mating surface 408, is used to make two unit correctly to aim at mutually.Circuit board support lip 416 is from mating surface 408 inside radial arrangement.Support lugn 416 caves in respect to mating surface 408, thereby when circuit board is placed on the support lugn 416 (referring to Fig. 6), circuit board and mating surface 408 form continuous level.The inner chamber that is arranged in the unit 404 between circuit board support lip 416 and the spinal member 406 is as the optical fiber storage district.Fiber spool 420 is arranged on the inner surface of spinal member 406 in the optical fiber storage district.Er-doped fiber and any unnecessary optical fiber are wrapped on the fiber spool 420.The external diameter of fiber spool 420 is big at least must to be enough to prevent that the bending of optical fiber from surpassing its minimum bending radius of specifying.
The thickness of curved surface sidewall 412 is enough to support to extend through along the longitudinal direction a plurality of through holes 418.Through hole 418 is as the container of optical amplifier passive component.That is to say that each container 418 can comprise the parts such as insulator, gain flattening filter, coupler etc.Screw hole 422 is arranged in the inner surface of sidewall 412, and wherein, screw is inserted in the screw hole 422, so as in each container 418 the friction fastening passive component.
A pair of pump support component 424 is positioned on the adjacent side of support lugn 416 and end face 403.Support component 424 is arranged on the opposition side of flange 402.See clearly from Fig. 6 is the easiest, circuit board 426 has otch, thereby when circuit board 426 was placed on the support lugn 416, circuit board 426 was enclosed within on the support component 424.After circuit board 426 is in place, on support component 424, be installed as the pumping source 427 that each optical amplifier provides pump energy.The radiator 428 that is fastened on the end face 403 contacts with each pumping source, so that the heat of pumping source 427 generations is outwards derived.
Claims (45)
1. optical amplifier module that comprises at least one optical amplifier, described module comprises:
Inner housing, wherein, the external diameter of described inner housing is identical with the external diameter of the internal optical fiber joint housing of seabed cable joint, and described inner housing comprises:
A pair of opposite end face, each all has the holding element that is used for keeping inner housing in the shell body of described seabed cable joint described end face;
And described opposite end face interconnection and the sidewall that between described opposite end face, extends in a longitudinal direction, described sidewall comprises container part, described container part has a plurality of through holes, and the size of each described through hole can be contained in the passive optical components that uses in the optical amplifier.
2. optical amplifier module as claimed in claim 1, wherein, described a plurality of through holes extend through the described container part of sidewall in a longitudinal direction.
3. optical amplifier module as claimed in claim 1, wherein, described inner housing has and is that columniform shape, the described container part of sidewall have the curvature of definition cylindrical shape diameter.
4. optical amplifier module as claimed in claim 1, wherein, seabed cable joint is the universal joint that is used to engage the optical cable with different configurations.
5. optical amplifier module as claimed in claim 1, wherein, described fiber cable joint comprises a pair of cable termination units, keeps the end with engaged optical cable in described cable termination units respectively, and each all can be connected described holding element with a cable termination units.
6. optical amplifier module as claimed in claim 1, wherein, each all comprises flange described holding element, at least one optical fiber extends through described flange from the end of an optical cable, extends in the inner housing.
7. optical amplifier module as claimed in claim 1 further comprises the optical fiber storage district that is arranged in described inner housing.
8. optical amplifier module as claimed in claim 1 further comprises the support component that is used to support at least one circuit board, arranges the electronic component relevant with optical amplifier on circuit board.
9. optical amplifier module as claimed in claim 7, wherein, described optical fiber storage district comprises at least one fiber spool, optical fiber can be wrapped on the fiber spool.
10. optical amplifier module as claimed in claim 1, wherein, described inner housing is formed by a pair of half-cell, and described each half-cell all has the mating surface that extends in comprising the fore-and-aft plane of longitudinal direction, and described half-cell is connected to each other with another along described mating surface.
11. optical amplifier module as claimed in claim 8, wherein, the described support component of support circuit plate is arranged to such an extent that make circuit board and mating surface form continuous plane.
12. optical amplifier module as claimed in claim 11, wherein, described support component is by extending internally from described mating surface and determining to the flange of lower recess.
13. optical amplifier module as claimed in claim 1, wherein, described sidewall comprises the spinal member of a pair of container part longitudinal extension from sidewall, each all has the tension rod through hole that runs through extension at longitudinal direction described spinal member, and described tension rod through hole is used to support the used tension rod of seabed cable joint.
14. optical amplifier module as claimed in claim 1, wherein, the external diameter of inner housing is less than 15cm * 50cm.
15. optical amplifier module as claimed in claim 1, wherein, the external diameter of inner housing is 7.5cm * 15cm.
16. the seabed cable joint of an airtight sealing, it has the optical amplifier module, and described optical amplifier module comprises:
Protective casing;
Be positioned at the inner housing of described protective casing, described inner housing comprises:
A pair of opposite end face, each all has the holding element that is used for keeping inner housing in the shell body of described seabed cable joint described end face; And
And described opposite end face interconnection and the sidewall that between described opposite end face, extends in a longitudinal direction, described sidewall comprises container part, described container part has a plurality of through holes, and the size of each described through hole can be contained in the passive optical components that uses in the optical amplifier.
17. optical amplifier module as claimed in claim 16, wherein, described a plurality of through holes extend through the described container part of sidewall in a longitudinal direction.
18. optical amplifier module as claimed in claim 16, wherein, described inner housing has and is that columniform shape, the described container part of sidewall have the curvature of definition cylindrical shape diameter.
19. optical amplifier module as claimed in claim 16, wherein, seabed cable joint is the universal joint that is used to engage the optical cable with different configurations.
20. optical amplifier module as claimed in claim 16, wherein, described fiber cable joint comprises a pair of cable termination units, keeps the end with engaged optical cable in described cable termination units respectively, and each all can be connected described holding element with a cable termination units.
21. optical amplifier module as claimed in claim 16, wherein, each all comprises flange described holding element, and at least one optical fiber extends through described flange from the end of an optical cable, extends in the inner housing.
22. optical amplifier module as claimed in claim 16 further comprises the optical fiber storage district that is arranged in described inner housing.
23. optical amplifier module as claimed in claim 16 further comprises the support component that is used to support at least one circuit board, arranges the electronic component relevant with optical amplifier on circuit board.
24. optical amplifier module as claimed in claim 22, wherein, described optical fiber storage district comprises at least one fiber spool, and optical fiber can be wrapped on the fiber spool.
25. optical amplifier module as claimed in claim 16, wherein, described inner housing is formed by a pair of half-cell, and described each half-cell all has the mating surface that extends in comprising the fore-and-aft plane of longitudinal direction, and described half-cell is connected to each other with another along described mating surface.
26. optical amplifier module as claimed in claim 23, wherein, the described support component of support circuit plate is arranged to such an extent that make circuit board and mating surface form continuous plane.
27. optical amplifier module as claimed in claim 26, wherein, described support component is by extending internally from described mating surface and determining to the flange of lower recess.
28. optical amplifier module as claimed in claim 16, wherein, described sidewall comprises the spinal member of a pair of container part longitudinal extension from sidewall, each all has the tension rod through hole that runs through extension at longitudinal direction described spinal member, and described tension rod through hole is used to support the used tension rod of seabed cable joint.
29. optical amplifier module as claimed in claim 16, wherein, the external diameter of inner housing is less than 15cm * 50cm.
30. optical amplifier module as claimed in claim 16, wherein, the external diameter of inner housing is 7.5cm * 15cm.
31. a undersea optical repeater comprises:
The outside airtight sealing shell body of seabed cable joint, optical amplifier module, described optical amplifier module comprises:
Be arranged in the protective casing of described shell body;
Be positioned at the inner housing of described protective casing, described inner housing comprises:
A pair of opposite end face, each all has the holding element that is used for keeping inner housing in the shell body of described seabed cable joint described end face; And
And described opposite end face interconnection and the sidewall that between described opposite end face, extends in a longitudinal direction, described sidewall comprises container part, described container part has a plurality of through holes, and the size of each described through hole can be contained in the passive optical components that uses in the optical amplifier.
32. undersea optical repeater as claimed in claim 31, wherein, described a plurality of through holes extend through the described container part of sidewall in a longitudinal direction.
33. undersea optical repeater as claimed in claim 31, wherein, described inner housing has and is that columniform shape, the described container part of sidewall have the curvature of definition cylindrical shape diameter.
34. undersea optical repeater as claimed in claim 31, wherein, seabed cable joint is the universal joint that is used to engage the optical cable with different configurations.
35. undersea optical repeater as claimed in claim 31, wherein, described fiber cable joint comprises a pair of cable termination units, keeps the end with engaged optical cable in described cable termination units respectively, and each all can be connected described holding element with a cable termination units.
36. undersea optical repeater as claimed in claim 31, wherein, each all comprises flange described holding element, and at least one optical fiber extends through described flange from the end of an optical cable, extends in the inner housing.
37. undersea optical repeater as claimed in claim 31 further comprises the optical fiber storage district that is arranged in described inner housing.
38. undersea optical repeater as claimed in claim 31 further comprises the support component that is used to support at least one circuit board, arranges the electronic component relevant with optical amplifier on circuit board.
39. undersea optical repeater as claimed in claim 37, wherein, described optical fiber storage district comprises at least one fiber spool, and optical fiber can be wrapped on the fiber spool.
40. undersea optical repeater as claimed in claim 31, wherein, described inner housing is formed by a pair of half-cell, and described each half-cell all has the mating surface that extends in comprising the fore-and-aft plane of longitudinal direction, and described half-cell is connected to each other with another along described mating surface.
41. undersea optical repeater as claimed in claim 38, wherein, the described support component of support circuit plate is arranged to such an extent that make circuit board and mating surface form continuous plane.
42. undersea optical repeater as claimed in claim 41, wherein, described support component is by extending internally from described mating surface and determining to the flange of lower recess.
43. undersea optical repeater as claimed in claim 31, wherein, described sidewall comprises the spinal member of a pair of container part longitudinal extension from sidewall, each all has the tension rod through hole that runs through extension at longitudinal direction described spinal member, and described tension rod through hole is used to support the used tension rod of seabed cable joint.
44. undersea optical repeater as claimed in claim 31, wherein, the external diameter of inner housing is less than 15cm * 50cm.
45. undersea optical repeater as claimed in claim 31, wherein, the external diameter of inner housing is 7.5cm * 15cm.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US42776902P | 2002-11-19 | 2002-11-19 | |
| US60/427,769 | 2002-11-19 | ||
| US10/687,547 | 2003-10-16 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1788397A CN1788397A (en) | 2006-06-14 |
| CN100409508C true CN100409508C (en) | 2008-08-06 |
Family
ID=36785160
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB200380104765XA Expired - Lifetime CN100409508C (en) | 2002-11-19 | 2003-11-19 | Optical amplifier module housed in a universal cable joint for an undersea optical transmission system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100409508C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112236700B (en) * | 2018-03-23 | 2023-09-15 | 日本电气株式会社 | Submarine optical transmission device and submarine optical communication system |
| CN110927902B (en) * | 2019-11-26 | 2021-02-02 | 烽火海洋网络设备有限公司 | Submarine remote pumping optical amplifier packaging structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| US4717232A (en) * | 1984-08-01 | 1988-01-05 | Societa' Cavi Pirelli S.P.A. | Submarine cable joint with optoelectronic repeaters |
| US4962445A (en) * | 1988-04-21 | 1990-10-09 | Societe Anonyme Dite: Alcatel Cit | Housing for submersible equipment |
| CN1162751A (en) * | 1995-05-03 | 1997-10-22 | 阿尔卡特·塞伯马克姆股份有限公司 | Device for organizing optical fiber cable connections and optical cable joint box |
| US6381394B1 (en) * | 1999-09-03 | 2002-04-30 | Tycom (Us) Inc. | Method and apparatus for assembling an amplifier assembly |
| US6424761B1 (en) * | 2001-01-22 | 2002-07-23 | Tycom (Us) Inc. | Cable repeater connecting joint |
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2003
- 2003-11-19 CN CNB200380104765XA patent/CN100409508C/en not_active Expired - Lifetime
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4505540A (en) * | 1981-01-20 | 1985-03-19 | Kokusai Denshin Denwa Kabushiki Kaisha | Spliced portion housing structure for optical fiber in optical submerged repeater |
| US4717232A (en) * | 1984-08-01 | 1988-01-05 | Societa' Cavi Pirelli S.P.A. | Submarine cable joint with optoelectronic repeaters |
| US4962445A (en) * | 1988-04-21 | 1990-10-09 | Societe Anonyme Dite: Alcatel Cit | Housing for submersible equipment |
| CN1162751A (en) * | 1995-05-03 | 1997-10-22 | 阿尔卡特·塞伯马克姆股份有限公司 | Device for organizing optical fiber cable connections and optical cable joint box |
| US6381394B1 (en) * | 1999-09-03 | 2002-04-30 | Tycom (Us) Inc. | Method and apparatus for assembling an amplifier assembly |
| US6424761B1 (en) * | 2001-01-22 | 2002-07-23 | Tycom (Us) Inc. | Cable repeater connecting joint |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1788397A (en) | 2006-06-14 |
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