CN202837593U - Pluggable optical filter - Google Patents
Pluggable optical filter Download PDFInfo
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- CN202837593U CN202837593U CN 201220510839 CN201220510839U CN202837593U CN 202837593 U CN202837593 U CN 202837593U CN 201220510839 CN201220510839 CN 201220510839 CN 201220510839 U CN201220510839 U CN 201220510839U CN 202837593 U CN202837593 U CN 202837593U
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Abstract
The utility model discloses a pluggable optical filter which comprises a community formed by a snap spring, an outer sleeve, an inner sleeve and a core clamp. The inner sleeve is in butt joint with the core clamp to axially form a hollow body which runs through front and back in a butt joint mode. An optical filter chipware is arranged in the hollow body and comprises a first ceramic inserting core and a second ceramic inserting core, a first single mode fiber is axially inserted into the first ceramic inserting core, and a second single mode fiber is axially inserted into the second ceramic inserting core which is in butt joint with the first ceramic inserting core. A first opening ceramic sleeve and a metal connecting sleeve are sleeved on the periphery of a butt-joint end of the first ceramic inserting core and the second ceramic inserting core. Step structures are all arranged at the abutting ends of the first ceramic inserting core and the second ceramic inserting core. Angles of abutting faces of the first ceramic inserting core and the second ceramic inserting core are complementary, and an optical coating layer or an ultrathin optical filter is arranged between the abutting faces of the first ceramic inserting core and the second ceramic inserting core. The pluggable optical filter enables a filtering function and a plug-and-play function to be integrated on one optical device, and is simple in manufacture.
Description
Technical field
The utility model relates to a kind of optical filter, particularly relates to a kind of pluggable light wave filter, and the utility model belongs to communication field.
Background technology
Development along with Fibre Optical Communication Technology, especially the development of Optical Access Network FTTH and PON network, miniaturization, low-cost, online plug and play is the developing direction of optical filter (reflective optical system), more especially be used for FTTB, the optical filter of CATV, the block device that for example is used for the CATV signal, during the FTTH circuit monitoring as the reflection terminal of OTDR signal etc., because consumption is very large, so to the consideration of cost, the convenience of fitting operation, just there has been higher requirement the aspects such as volume miniaturization.
Optical filter of the prior art adopts FBG(Fiber Bragg Grating, Fiber Bragg Grating FBG mostly), but the cost of FBG is higher, and simultaneously, the reflection bandwidth of this fiber grating technique can variation with temperature produce drift.
There is following defective in " patent of invention ZL201010124537.0 pluggable light wave filter ": first, employed ceramic insertion core, in the fiber end face coating process, cause easily end face to occur on the lateral wall that Coating Materials is attached to lock pin, the Coating Materials that must will be attached on the sidewall cleans out just and can use, removing for these lateral wall Coating Materials need to be wasted larger manpower and materials, causes and produces difficulty; The second, at patent of invention ZL201010124537.0 pluggable light wave filter " in employed ceramic insertion core be one week fluting, cause processing difficulties in the production run, thereby processing cost is higher; The 3rd, in " at patent of invention ZL201010124537.0 pluggable light wave filter ", enter the optical coating rete for fear of bonded adhesives, affect the rete technical indicator, requirement is formed with the V-ring groove in the periphery of ceramic insertion core interface, be marked with ultraviolet glue at V-type annular groove and opening ceramic bushing opening intersection, the product packaging process is complicated, high expensive.
Summary of the invention
The purpose of this utility model is the deficiency that exists for prior art, provides a kind of and can realize a filtering, less optical element, little, the online plug and play of device volume, miniaturization, low cost and the stable pluggable light wave filter of optical index.
The technical scheme that the utility model adopts is:
A kind of pluggable light wave filter, include the inner sleeve that is positioned at the incident light side and the core folder that is positioned at the emergent light side of pegging graft with inner sleeve, inner sleeve is pegged graft with the core folder and is cooperated, described inner sleeve and described core folder outer setting have overcoat, overcoat is comprised of overcoat sun head and the cloudy head of overcoat, and described core folder forms a community by jump ring with overcoat, inner sleeve, core folder; Described inner sleeve with axially be formed with after described core folder dock before and after connect the ducted body that docks, be provided with the optical filter chipware in this ducted body, described optical filter chipware periphery cover has packing ring, and an end cover of described optical filter chipware emergent light has the second opening ceramic bushing; Described optical filter chipware comprises that inner shaft is to the first ceramic insertion core that is inserted with the first single-mode fiber, dock with the first ceramic insertion core and inner shaft to the second ceramic insertion core that is inserted with the second single-mode fiber, the periphery cover of the butt end of described the first ceramic insertion core and the second ceramic insertion core has the first opening ceramic bushing, described the first opening ceramic bushing periphery cover has the metal adapter sleeve, one end of described the first ceramic insertion core and the docking of the second ceramic insertion core is provided with ledge structure, the interface angle of the first ceramic insertion core and the second ceramic insertion core is complementary, is provided with the optical coating layer between the interface of described the first ceramic insertion core and the second ceramic insertion core or is provided with ultra-thin optical filter.
Be provided with on the sidewall of described metal adapter sleeve to the some glue hole that pours into bonded adhesives between described metal adapter sleeve and the first opening ceramic bushing
The structure of the first ceramic insertion core and the second ceramic insertion core is identical, all has following structure: be long clavate structure, inner shaft is to being formed with the through hole that runs through single-mode fiber, wherein a side is formed with grooved bore on the outer peripheral face of the B of long clavate end, grooved bore on the first ceramic insertion core and the second ceramic insertion core is set to same direction, and consistent with the opening direction of the first opening ceramic bushing, be marked with bonded adhesives in the described grooved bore.
Described optical coating layer is respectively formed on the end face of the first ceramic insertion core and the second ceramic insertion core.
Described optical coating layer is formed on the end face of the first ceramic insertion core, or is formed on the end face of the second ceramic insertion core.
Described overcoat sun head is used for being connected with SC type fiber adapter, and the cloudy head of described overcoat is used for being connected with the SC type joints of optical fibre.
The end face of the ledge structure of described the first ceramic insertion core and the second ceramic insertion core can be APC face or UPC face.
Be provided with optical coating on the fiber end face that described the first single-mode fiber that has inserted the first ceramic insertion core and two single-mode fibers that insert the second ceramic insertion core are coupled.
It is 0 °～15 ° that described the first ceramic insertion core and the second ceramic insertion core adopt the angle of APC end face.
The utlity model has following advantages:
Pluggable light wave filter of the present utility model can overcome the shortcoming of prior art fully, filter function, plug-and-play feature is integrated on the optical device of a miniaturization, make simple, with low cost, reliable in quality, the engineering staff operates easy for installation.
Description of drawings
Fig. 1 is SC type pluggable light overall filter assembly structure synoptic diagram of the present utility model;
Fig. 2 a is jacket structure front elevation of the present utility model;
Fig. 2 b is jacket structure cut-open view of the present utility model;
Fig. 3 a is interior nested structure left view of the present utility model
Fig. 3 b is interior nested structure front elevation of the present utility model;
Fig. 3 c is interior nested structure cut-open view of the present utility model;
Fig. 4 is smooth filtering chipware structural representation of the present utility model;
Fig. 5 is core clamping structure synoptic diagram of the present utility model;
Fig. 6 is gasket construction synoptic diagram of the present utility model;
Fig. 7 is clip spring structure synoptic diagram of the present utility model;
Fig. 8 a is metal connecting jacket structure cut-open view of the present utility model;
Fig. 8 b metal connecting jacket structure of the present utility model front elevation;
Fig. 9 is the first ceramic insertion core structural representation of the present utility model;
Figure 10 is the utility model the first ceramic insertion core (side fluting) structural representation;
Figure 11 is smooth filtering chipware structural representation Fig. 2 of the present utility model;
Figure 12 is FC type pluggable light overall filter assembly structure synoptic diagram.
Wherein:
1: overcoat; 2: inner sleeve;
3: the optical filter chipware; 4: the second opening ceramic bushings;
5: the core folder; 6: packing ring;
7: jump ring; 8: ultra-thin optical filter
9: the coupling nut; 10: straight cover;
11: base; 12: tailstock
1-1: feather key; 1-2: overcoat sun head;
1-3: jump-ring slot; 1-4: the cloudy head of overcoat;
1-5: side direction draw-in groove; 1-6: through hole;
2-1: feather key; 2-2: card key;
2-3: buckle slot;
3-1: metal adapter sleeve; 3-2: the first opening ceramic bushing;
3-3: the first ceramic insertion core; 3-4: the second ceramic insertion core;
3-5: the first single-mode fiber; 3-6: the second single-mode fiber;
3-7: grooved bore;
3-9: optical coating rete;
5-1: buckle key; 5-2: jump ring pickup groove;
3-1-1: some glue hole; 3-1-2: gathering sill;
3-3-1: ledge structure;
Embodiment
Provide specific embodiment below in conjunction with accompanying drawing, further specify pluggable light wave filter of the present utility model and how to realize, be introduced as the basis take SC type pluggable light wave filter.
As shown in Figure 1, pluggable light wave filter of the present utility model, the core folder 5 that is positioned at the emergent light side that includes the inner sleeve 2 that is positioned at the incident light side and peg graft with inner sleeve 2, the buckle slot 2-3 in the inner sleeve 2 shown in Fig. 3 c and core as shown in Figure 5 press from both sides buckle key 5-1 in 5 pegs graft and cooperates.Pressing from both sides 5 outsides in described inner sleeve 2 with described core has an overcoat 1, and overcoat 1 comprises an overcoat sun 1-2 and the cloudy 1-4 of overcoat shown in Fig. 2 a; The card key 2-2 of described inner sleeve 2 and core folder 5 by inner sleeve 2 shown in Fig. 3 b cooperates with pegging graft such as the interior side direction draw-in groove 1-5 of Fig. 2 b overcoat 1; Simultaneously, core folder 5 inserts the jump-ring slot 1-3 of jump ring 7 by overcoat 1 by using as shown in Figure 7 jump ring 7, inserts out to the through hole 1-6 of overcoat 1, and the fixed core folder 5 thus, form overcoat 1, inner sleeve 2, core folder 5 and jump ring 7 and form a community.Described inner sleeve 2 with axially be formed with after described core folder 5 dock before and after the ducted body of perforation.Be provided with optical filter chipware 3, packing ring 6 and the second opening ceramic bushing 4 in the ducted body of described docking, described optical filter chipware 3 periphery covers have packing ring 6, and an end cover of described optical filter chipware 3 emergent lights has the second opening ceramic bushing 4.As shown in Figure 4, described optical filter chipware 3 includes: inner shaft is to the first ceramic insertion core 3-3 that is inserted with the first single-mode fiber 3-5, dock with the first ceramic insertion core 3-3 and inner shaft to the second ceramic insertion core 3-4 that is inserted with the second single-mode fiber 3-6, butt end at the first ceramic insertion core 3-3 and the second ceramic insertion core 3-4, described the first single-mode fiber 3-5 and the second single-mode fiber 3-6 are coupled, the periphery cover of the butt end of described the first ceramic insertion core 3-3 and the second ceramic insertion core 3-4 has the first opening ceramic bushing 3-2, described the first opening ceramic bushing 3-2 can realize the precision-fit of the first ceramic insertion core 3-3 and the second ceramic insertion core 3-4, reaches the high-efficiency transfer of light signal when the first single-mode fiber 3-5 and the coupling of the second single-mode fiber 3-6 end face.Shown in Fig. 8 a and 8b, the periphery cover of described the first opening ceramic bushing 3-2 has metal adapter sleeve 3-1, be provided with on the metal adapter sleeve 3-1 with inner sleeve 2 in feather key 2-1 carry out the gathering sill 3-1-2 of interworking.Pass through the bonded adhesives secure bond between described metal adapter sleeve 3-1 and the first opening ceramic bushing 3-2, have on the sidewall of described metal adapter sleeve 3-2 for to the some glue hole 3-1-1 that pours into bonded adhesives between this metal adapter sleeve 3-1 and the first opening ceramic bushing 3-2, put the effect of glue hole 3-1-1 and can conveniently put glue.The point adhesive curing is to carry out in heating process, can increase thus the flowability of bonded adhesives, makes bonded adhesives be full of the adapted space of metal adapter sleeve 3-1 and the first opening ceramic bushing 3-2, reaches the purpose of cure package.Described optical filter chipware 3 carries out interworking by the gathering sill 3-1-2 among its metal adapter sleeve 3-1 and the feather key 2-1 in the inner sleeve 2, and this structure has realized the location to light filtering chipware 3.Packing ring 6 as shown in Figure 6, are fixed in the periphery of the second ceramic insertion core 3-4 of back of the metal adapter sleeve 3-1 of light filtering core folder 3, and between metal adapter sleeve 3-1 and the second opening ceramic bushing 4, for spacing.Described the second opening ceramic bushing 4 is fixed in the periphery of the second ceramic insertion core 3-4 after the packing ring 6, is built in the ducted body of core folder 5, and described the second opening ceramic bushing 4 is for realizing cooperating and coupling of optical filter chipware 3 and overcoat the moon 1-4.The SC type pluggable light wave filter of the miniaturization after the whole assembling, in the device use procedure, the overcoat sun 1-2 in the overcoat 1 links to each other with SC type fiber adapter, and the cloudy 1-4 of the overcoat in the overcoat 1 links to each other with the SC type joints of optical fibre.Light signal can cooperate input optical signal with an overcoat sun 1-2 through SC type fiber adapter, also can cooperate input optical signal through the cloudy 1-4 of the SC type joints of optical fibre and overcoat.
Above-mentioned each parts, overcoat 1, inner sleeve 2, core folder 5 and packing ring 6 are plastic material, jump ring 7 is metal material.A described overcoat sun 1-2 and the cloudy 1-4 of overcoat are the plastic outer part that satisfies the SC type joints of optical fibre, SC type fiber adapter standard interface size.Described optical filter chipware is the critical component of the utility model pluggable light wave filter, is used for realizing the filter function of device input optical signal.
The structure of described the first ceramic insertion core 3-3 and the second ceramic insertion core 3-4 is identical, all have such as Fig. 4 and structure shown in Figure 9: be long clavate structure, be respectively ledge structure 3-3-1 at long clavate B end, inner shaft is to being formed with the through hole that runs through single-mode fiber, wherein an end of long clavate is positioned on the outer peripheral face of end and is formed with grooved bore 3-7, the grooved bore that arranges respectively on the first ceramic insertion core 3-3 and the second ceramic insertion core 3-4 is positioned in the inner space of the first opening ceramic bushing, be marked with bonded adhesives in the described grooved bore 3-7, through strengthening the fastening force between the first opening ceramic bushing 3-2 and the first ceramic insertion core 3-3 and the second ceramic insertion core 3-4 behind the overcuring, increase the times of capable of being inserted and pulled out of device, thereby realize the larger contact engaging and separating force of the first ceramic insertion core 3-3 and the second ceramic insertion core 3-4 carrying, avoid in use occurring the second ceramic insertion core 3-4 and the second ceramic insertion core 3-4 comes off from light filtering chipware 3.
The first shown ceramic insertion core 3-3 and the grooved bore structure of the second ceramic insertion core 3-4, except a week that ceramic insertion core is slotted, as shown in Figure 9, take the first ceramic insertion core 3-3 as example, also can be only a side of the periphery of ceramic insertion core be slotted, as shown in figure 10, can effectively reduce like this difficulty of processing and the cost of the first ceramic insertion core 3-3 and the second ceramic insertion core 3-4.In manufacturing process, one side of this periphery is recessed in the manufacturing process, require the grooved bore of the grooved bore of the first ceramic insertion core 3-3 and the second ceramic insertion core 3-4 must be in same direction, simultaneously, the grooved bore of the grooved bore of the first ceramic insertion core 3-3 and the second ceramic insertion core 3-4 must be consistent with the opening direction of the first opening ceramic bushing 3-2, inject in the grooved bore 3-7 of the first ceramic insertion core 3-3 and the second ceramic insertion core 3-4 so that realize the bonded adhesives colloid, reach the curing purpose.The first opening ceramic bushing 3-2 and the second opening ceramic bushing 4 are the lateral opening structure, can realize the ceramic insertion core wringing fit of section within it, strengthen the holding force of opening ceramic bushing 3-2 and 4 pairs of ceramic insertion cores of opening ceramic bushing.
Shown in the first ceramic insertion core 3-3 and the second ceramic insertion core 3-4 be provided with ledge structure 3-3-1, because adopting optical coating, so ledge structure 3-3-1 can also eliminate plated film to the impact of the first ceramic insertion core 3-3 and the second ceramic insertion core 3-4.Existing coating technique all can make Coating Materials be attached on the lateral wall of the coated surface of lock pin and the ceramic insertion core except the coated surface thereof, therefore, before making optical filter, usually adopt the ceramic insertion core of conventional planar structure or pyramidal structure, the Coating Materials that must will be attached on the sidewall cleans out just and can use, and adopts the ceramic insertion core of this ledge structure 3-3-1, need not to clear up Coating Materials, by the use of this structure, can effectively reduce manufacture difficulty and cost.In addition, the A extreme direction at the 3-3 of the first ceramic insertion core can be ledge structure.
The end face of ledge structure that described the first ceramic insertion core 3-3 and the second ceramic insertion core 3-4 have the B end of grooved bore can be APC face or UPC plane, the angle of APC face is 0 °～15 ° inclined-planes, for reaching different reflection indexs, can adopt different bevel angle values.Two ferrule endface angles are complementary angle, to achieve a butt joint, as shown in Figure 4, the APC of described the first ceramic insertion core 3-3 and the second ceramic insertion core 3-4 or UPC end face dock by optical coating rete 3-9, or add ultra-thin optical filter 8 in the middle of the first ceramic insertion core 3-3 and the second ceramic insertion core 3-4.
The coating process of optical coating rete 3-9 is: the first single-mode fiber 3-5 is carried out precuring in the first ceramic insertion core 3-3 after, B end end surface grinding polishing to the first ceramic insertion core 3-3, end face structure is APC or UPC, then carry out the optics end face coating, the interface of the first ceramic insertion core 3-3 and the second ceramic insertion core 3-4, two ferrule endface angles are complementary angle, to achieve a butt joint, one fluting ceramic insertion core 3-3 and the second ceramic insertion core 3-4 can be coated with optical coating rete 3-9 simultaneously, also can one of them ferrule endface be coated with optical coating rete 3-9.Its function of optical coating rete 3-9 is mainly the effective filtering that realizes light signal, reaches the purpose of optical signal filtering.Be that described optical coating rete 3-9 is respectively formed on the end face of the first ceramic insertion core 3-3 and the second ceramic insertion core 3-4, or described optical coating rete 3-9 only is formed on the end face of the first ceramic insertion core 3-3, or only is formed on the end face of the second ceramic insertion core 3-4.Perhaps, as shown in figure 11, at the B of the first ceramic insertion core 3-3 and the second ceramic insertion core 3-4 end joint, place a ultra-thin optical filter 8 that can have filter function, in the situation that does not change the optical signal transmission direction, realize the filtering of light signal with its thickness.The A end end face that keeps away slotted eye 3-7 of described the first ceramic insertion core 3-3 and the second ceramic insertion core 3-4 is by grinding and polishing, and end face can be the end face into PC, or the UPC end face, or the APC end face.
Described the first single-mode fiber 3-5 and the second single-mode fiber 3-6 can realize the effective transmission of light signal in optical fiber, the first single-mode fiber 3-5 and the second single-mode fiber 3-6 are by using bonded adhesives to be separately implemented at heat curing in the first ceramic insertion core 3-3 and the second ceramic insertion core 3-4, through to behind the B end fiber end face grinding and polishing near the first ceramic insertion core 3-3 and the second ceramic insertion core 3-4, fiber end face is carried out optical coating.
The utility model can be used for any pluggable light wave filter that needs under the realization light filtering characteristic, comprise the type structure products such as FC, LC, SC, ST, MU and MT type, but be the Hermaphrodite connect-disconnect structure, as shown in figure 12, be FC type pluggable light overall filter assembly structure synoptic diagram, have similar structure and component with the SC type pluggable light wave filter of giving an example, comprise coupling nut 9 among Figure 12, directly overlap 10, base 11, tailstock 12, light filtering chipware 3, ceramic sleeve 4 and packing ring 6.Wherein, coupling nut 9 is equivalent to the effect of the overcoat 1 in the SC type pluggable light wave filter, directly overlaps 10 for being equivalent to the effect of the inner sleeve 2 in the SC type pluggable light filter, and base 13 is equivalent to the effect of the core folder 5 in the SC type pluggable light wave filter.The sun head fiber adapter corresponding with the above-mentioned type infrastructure product of pluggable light wave filter links to each other, and the cloudy head of pluggable light wave filter links to each other with the joints of optical fibre of the above-mentioned type structural correspondence.The sun head of pluggable light wave filter and cloudy head respectively correspondence satisfy the corresponding national standard of the above-mentioned type infrastructure product and international standard interface dimensional requirement.Therefore the utility model technology is a kind of solution of pluggable light wave filter.Do not comprise expensive fiber grating and other complicated physical construction on structural design, simultaneously, the attainable very good optical index of this pluggable light wave filter encapsulates miniaturization, the industry requirement that function is integrated to product on the satisfying the market.
Although the utility model has at length illustrated and described relevant specific embodiment reference, those skilled in the art should be understood that, can make in the form and details various changes within not deviating from spirit and scope of the present utility model.These change all will fall into the desired protection domain of claim of the present utility model.
Claims (9)
1. pluggable light wave filter, it is characterized in that: include the inner sleeve (2) that is positioned at the incident light side and the core folder (5) that is positioned at the emergent light side of pegging graft with inner sleeve (2), inner sleeve (2) is pegged graft with core folder (5) and is cooperated, described inner sleeve (2) has overcoat (1) with described core folder (5) outer setting, overcoat (1) is comprised of overcoat sun head (1-2) and the cloudy head of overcoat (1-4), and described core folder (5) forms a community by jump ring (7) with overcoat (1), inner sleeve (2), core folder (5); Described inner sleeve (2) is pressed from both sides with described core and axially is formed with the ducted body that front and back connect docking after dock (5), be provided with optical filter chipware (3) in this ducted body, described optical filter chipware (3) periphery cover has packing ring (6), and an end cover of described optical filter chipware (3) emergent light has the second opening ceramic bushing (4); Described optical filter chipware (3) comprises that inner shaft is to the first ceramic insertion core (3-3) that is inserted with the first single-mode fiber (3-5), dock with the first ceramic insertion core and inner shaft to the second ceramic insertion core (3-4) that is inserted with the second single-mode fiber (3-6), described the first ceramic insertion core (3-3) has the first opening ceramic bushing (3-2) with the periphery cover of the butt end of the second ceramic insertion core (3-4), described the first opening ceramic bushing (3-2) periphery cover has metal adapter sleeve (3-1), one end of described the first ceramic insertion core (3-3) and the second ceramic insertion core (3-4) docking is provided with ledge structure (3-1-3), the interface angle of the first ceramic insertion core (3-3) and the second ceramic insertion core (3-4) is complementary, is provided with optical coating layer (3-9) between the interface of described the first ceramic insertion core (3-3) and the second ceramic insertion core (3-4) or is provided with ultra-thin optical filter (8).
2. a kind of pluggable light wave filter as claimed in claim 1 is characterized in that: be provided with on the sidewall of described metal adapter sleeve (3-1) to the some glue hole (3-1-1) that pours into bonded adhesives between described metal adapter sleeve (3-1) and the first opening ceramic bushing (3-2).
3. a kind of pluggable light wave filter as claimed in claim 1, it is characterized in that: the structure of the first ceramic insertion core (3-3) and the second ceramic insertion core (3-4) is identical, all has following structure: be long clavate structure, inner shaft is to being formed with the through hole that runs through single-mode fiber, wherein a side is formed with grooved bore (3-7) on the outer peripheral face of the B of long clavate end, grooved bore (3-7) on the first ceramic insertion core (3-3) and the second ceramic insertion core (3-4) is set to same direction, and consistent with the opening direction of the first opening ceramic bushing (3-2), be marked with bonded adhesives in the described grooved bore (3-7).
4. a kind of pluggable light wave filter as claimed in claim 1, it is characterized in that: described optical coating layer (3-9) is respectively formed on the end face of the first ceramic insertion core (3-3) and the second ceramic insertion core (3-4).
5. a kind of pluggable light wave filter as claimed in claim 1, it is characterized in that: described optical coating layer (3-9) is formed on the end face of the first ceramic insertion core (3-3), or is formed on the end face of the second ceramic insertion core (3-4).
6. a kind of pluggable light wave filter as claimed in claim 1 is characterized in that: described overcoat sun head (1-2) is used for being connected with SC type fiber adapter, and the cloudy head of described overcoat (1-4) is used for being connected with the SC type joints of optical fibre.
7. a kind of pluggable light wave filter as claimed in claim 1, it is characterized in that: the end face of the ledge structure of described the first ceramic insertion core (3-3) and the second ceramic insertion core (3-4) can be APC face or UPC face.
8. a kind of pluggable light wave filter as claimed in claim 1 is characterized in that: be provided with optical coating on the fiber end face that described the first single-mode fiber (3-5) that has inserted the first ceramic insertion core (3-3) and two single-mode fibers (3-6) that insert the second ceramic insertion core (3-4) are coupled.
9. a kind of pluggable light wave filter as claimed in claim 7 is characterized in that: it is 0 °～15 ° that described the first ceramic insertion core (3-3) and the second ceramic insertion core (3-4) adopt the angle of APC end face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220510839 CN202837593U (en) | 2012-10-08 | 2012-10-08 | Pluggable optical filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220510839 CN202837593U (en) | 2012-10-08 | 2012-10-08 | Pluggable optical filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202837593U true CN202837593U (en) | 2013-03-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220510839 Expired - Lifetime CN202837593U (en) | 2012-10-08 | 2012-10-08 | Pluggable optical filter |
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| CN (1) | CN202837593U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103336335A (en) * | 2013-06-26 | 2013-10-02 | 华为技术有限公司 | Optical device |
| CN105158856A (en) * | 2015-06-19 | 2015-12-16 | 武汉光迅科技股份有限公司 | Pluggable optical passive device |
| CN105759368A (en) * | 2016-01-29 | 2016-07-13 | 河北四方通信设备有限公司 | Optical fiber converting adaptor |
| CN113625397A (en) * | 2021-06-29 | 2021-11-09 | 武汉联特科技股份有限公司 | Detachable optical fiber adapter and optical device |
| US11860425B2 (en) | 2018-04-26 | 2024-01-02 | Corning Research & Development Corporation | Reflective terminators for optical networks and methods of making the same |
-
2012
- 2012-10-08 CN CN 201220510839 patent/CN202837593U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103336335A (en) * | 2013-06-26 | 2013-10-02 | 华为技术有限公司 | Optical device |
| CN103336335B (en) * | 2013-06-26 | 2015-05-27 | 华为技术有限公司 | Optical device |
| CN105158856A (en) * | 2015-06-19 | 2015-12-16 | 武汉光迅科技股份有限公司 | Pluggable optical passive device |
| CN105759368A (en) * | 2016-01-29 | 2016-07-13 | 河北四方通信设备有限公司 | Optical fiber converting adaptor |
| US11860425B2 (en) | 2018-04-26 | 2024-01-02 | Corning Research & Development Corporation | Reflective terminators for optical networks and methods of making the same |
| CN113625397A (en) * | 2021-06-29 | 2021-11-09 | 武汉联特科技股份有限公司 | Detachable optical fiber adapter and optical device |
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