CN201051161Y - A single optical fiber calibrator - Google Patents
A single optical fiber calibrator Download PDFInfo
- Publication number
- CN201051161Y CN201051161Y CN 200720006931 CN200720006931U CN201051161Y CN 201051161 Y CN201051161 Y CN 201051161Y CN 200720006931 CN200720006931 CN 200720006931 CN 200720006931 U CN200720006931 U CN 200720006931U CN 201051161 Y CN201051161 Y CN 201051161Y
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- CN
- China
- Prior art keywords
- optical fiber
- ceramic insertion
- insertion core
- lock pin
- collimating apparatus
- 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.)
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Abstract
The utility model discloses a collimating device with a single optical fiber comprising a capillary tube, a fiber-optical line, a fiber-optical head, a glass sleeve tube, lenses, and a ceramic lock pin, wherein the fiber-optical line is partially inserted in the core diameter of the outer end of the ceramic lock pin, the external end of the ceramic lock pin is a lock pin structure of a connector, and the inner end of the ceramic lock pin and the fiber-optical head are in an integral forming. A positioning metallic ring is arranged in the position of the outer ring of the ceramic lock pin which has a certain distance to the end surface of the external end of the ceramic lock pin, thereby realizing the positioning between the ceramic lock pin and the glass sleeve tube. The collimating device has the advantages of no fiber-optical welding, no coil space, direct connection, practicality and convenience, which can be plugged in or pulled out directly, can be applied to an insulator, a ring-shaped device, and a WDM device and the like. Further, the utility model can realize various functions of normal communication member products.
Description
[affiliated technical field]
A kind of single fiber collimating apparatus of the utility model belongs to fiber optic communication field.
[background technology]
Along with the fast development of optical-electric module, the widespread use of OADM modules such as (optical add/drop multiplexers), operator is more and more higher to the functional requirement of communication device, should every index meet the requirements, and the volume of device is less again, applying flexible.
As shown in Figure 1: shown a kind of existing optics collimator, comprised kapillary 11, lens 12, glass tube 13, metal tube 14, optical fiber cable 15, silica gel 16.There is hole at kapillary 11 core diameter positions, and optical fiber cable 15 parts are built in the hole, and another part then is exposed to the outside of kapillary 11; be used for fused fiber splice; to realize and being connected of other devices that the afterbody of kapillary 11 is provided with silica gel 16, is used for the optical fiber cable 15 of protective hair tubule 11 afterbodys.But the optical fiber cable 15 of this kind collimating apparatus has potential fibre to decrease and the danger of broken string, thereby has reduced serviceable life.And with the WDM (wavelength division multiplexer) that this kind collimating apparatus is produced, isolator, device application such as circulator are when module, not only need fused fiber splice, thereby the difficulty in the increase technical operation, and also need no small dish space of lines, obviously with now device volume is required to disagree.
[utility model content]
The purpose of this utility model is to provide a kind of single fiber collimating apparatus, utilizes to have the ceramic insertion core of locating becket, and the one end is processed as common connection plug-in unit, realize the light path coupling with the plug coupling, and need not fused fiber splice, and volume is little, the life-span is long.
The utility model is achieved in that a kind of single fiber collimating apparatus, by kapillary, optical fiber cable, optical fiber head, lens are formed, it also comprises a ceramic insertion core, described optical fiber cable has part to be built in the core diameter place of described ceramic insertion core outer end, described ceramic insertion core outer end is the connector ferrule structure, and the inner of described ceramic insertion core links to each other with described optical fiber head.
Wherein, the connector ferrule structure of the outer end of described ceramic insertion core is with the assembling of pluggable mode realization with client.
The end face of the connector ferrule structure of the outer end of described ceramic insertion core and the radially angle of ceramic insertion core are α 1, wherein 0≤α, 1≤pi/2.
A location becket is fixed in the outer ring of described ceramic insertion core, and the end face of the outer end of described location becket and described ceramic insertion core is at a distance of certain distance.
Described ceramic insertion core is inner one-body molded with described optical fiber head.
The radially angle of the end face of described optical fiber head and optical fiber head is α 2, wherein 0≤α, 2≤pi/2.
It also comprises a glass bushing described single fiber collimating apparatus, and described optical fiber head and lens are fixed in the inside of glass bushing.
It also comprises a metal sleeve described single fiber collimating apparatus, and described optical fiber head and lens are fixed in the inside of metal sleeve.
It also comprises a glass bushing and a metal sleeve described single fiber collimating apparatus, and described optical fiber head and lens are fixed in the inside of glass bushing, and glass bushing is fixed on the inside of metal sleeve again.
Adopting above-mentioned single fiber collimating apparatus is that ceramic insertion core one end is processed as common connection plug-in unit, and the other end links to each other with optical fiber head or be one-body molded, and it compared with prior art has following advantage:
1, need not fused fiber splice, not only reduce difficulty of processing, length also increases the service life;
2, make structure compact more, volume reduces greatly;
3, realize the light path coupling with the pluggable mode coupling, very convenient and practical.
[description of drawings]
In conjunction with the embodiments the utility model is further described with reference to the accompanying drawings.
Fig. 1 is the diagrammatic cross-section of existing single fiber collimating apparatus.
Fig. 2 is the structural profile synoptic diagram of the utility model single fiber collimating apparatus.
Fig. 3 is the structural profile synoptic diagram of the utility model structure band location becket ceramic insertion core.
Fig. 4 is the index path of the utility model single fiber collimating apparatus.
[embodiment]
Please refer to shown in Figure 2ly, is the structural profile synoptic diagram of the utility model single fiber collimating apparatus.Mainly comprise lens 12, glass bushing 13, metal sleeve 14, optical fiber cable 15, ceramic insertion core 21, location becket 23, wherein, glass bushing 13 and metal sleeve 14 optional one or its two.Optical fiber cable 15 has part to be built in ceramic insertion core 21 core diameter places, described location becket 23 is located with the fixed position that punching press or gluing mode are fixed on ceramic insertion core 21 outer rings, and described fixed position is decided by client 30 (as shown in Figure 4) from the distance of the outer end of ceramic insertion core 21 end face; Simultaneously, location becket 23 also is fixed on the end face of described glass bushing 13 or metal sleeve 14.Optical fiber head 25 parts of the ceramic insertion core 21 of band location becket 23 and lens 12 are fixed in glass bushing 13 in gluing mode inside; Perhaps earlier be fixed in glass bushing 13 inside with adhesive means, glass bushing 13 is fixed on metal sleeve 14 inside with adhesive means again; Perhaps, if having only metal sleeve 14, then described optical fiber head 25 can also be directly fixed on the inside of metal sleeve 14.Concrete which kind of mode that adopts is decided by the size and the application demand of client 30 (as shown in Figure 4).
Again as shown in Figure 3, be the structural profile synoptic diagram of the utility model structure band location becket ceramic insertion core.Ccontaining optical fiber cable 15 in the ceramic insertion core 21 core diameter positions is located in the fixed position that location becket 23 adopts punching press or gluing mode to be fixed on the outer ring of ceramic insertion core 21.
The outer end of ceramic insertion core 21, (Figure 3 shows that left end) is connector ferrule structure 24, it is to realize with the assembling of client with pluggable mode, practical for convenience, the radially angle of its end face S1 and ceramic insertion core is α 1, and wherein 0≤α, 1≤pi/2 can be processed into common connection-core structure, specifically can be processed into SC/UPC or the SC/APC or the LC connector ferrule structure of standard according to the interface type of client.Establish a mark on the described location becket 23, in order to the APC direction of mark lock pin.
One can be processed into optical fiber head 25 in the inner of ceramic insertion core 21, promptly optical fiber head directly is processed in the inner of ceramic insertion core 21.The radially angle of the end face of described optical fiber head and optical fiber head is α 2, wherein 0≤α, 2≤pi/2.
As shown in Figure 4, be the index path of the utility model single fiber collimating apparatus.The light path coupling scheme that shown collimating apparatus: the end face S3 of client 30 mates mutually with the end face S1 of ceramic insertion core 21 and contacts, light 40 is coupled into optical fiber cable 15 in the ceramic insertion core 21 from the optical fiber cable 35 of client 30, light 40 is propagated in optical fiber cable 15 afterwards, after entering lens, in lens, propagate, penetrate from lens at last, at this moment, light 40 is Gaussian beam.From as can be seen above-mentioned, this coupling does not need fused fiber splice, and difficulty of processing is low, and long service life and volume are small and exquisite.
Claims (9)
1. single fiber collimating apparatus, by kapillary, optical fiber cable, optical fiber head, lens are formed, it is characterized in that: it also comprises a ceramic insertion core, described optical fiber cable has part to be built in the core diameter place of described ceramic insertion core outer end, described ceramic insertion core outer end is the connector ferrule structure, and the inner of described ceramic insertion core links to each other with described optical fiber head.
2. a kind of single fiber collimating apparatus according to claim 1 is characterized in that: the connector ferrule structure of the outer end of described ceramic insertion core is with the assembling of pluggable mode realization with client.
3. a kind of single fiber collimating apparatus according to claim 2 is characterized in that: the end face of the connector ferrule structure of the outer end of described ceramic insertion core and the radially angle of ceramic insertion core are α 1, wherein 0≤α, 1≤pi/2.
4. a kind of single fiber collimating apparatus according to claim 1 is characterized in that: a location becket is fixed in the outer ring of described ceramic insertion core, and the end face of the outer end of described location becket and described ceramic insertion core is at a distance of certain distance.
5. a kind of single fiber collimating apparatus according to claim 1 is characterized in that: described ceramic insertion core is inner one-body molded with described optical fiber head.
6. a kind of according to claim 1 or 5 single fiber collimating apparatus is characterized in that: the radially angle of the end face of described optical fiber head and optical fiber head is α 2, wherein 0≤α, 2≤pi/2.
7. according to each described a kind of single fiber collimating apparatus of claim 1 to 5, it is characterized in that: it also comprises a glass bushing, and described optical fiber head and lens are fixed in the inside of glass bushing.
8. according to each described a kind of single fiber collimating apparatus of claim 1 to 5, it is characterized in that: it also comprises a metal sleeve, and described optical fiber head and lens are fixed in the inside of metal sleeve.
9. a kind of single fiber collimating apparatus according to claim 7, it is characterized in that: it also comprises a metal sleeve, and described optical fiber head and lens are fixed in the inside of glass bushing, and glass bushing is fixed on the inside of metal sleeve again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200720006931 CN201051161Y (en) | 2007-04-28 | 2007-04-28 | A single optical fiber calibrator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200720006931 CN201051161Y (en) | 2007-04-28 | 2007-04-28 | A single optical fiber calibrator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201051161Y true CN201051161Y (en) | 2008-04-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200720006931 Expired - Lifetime CN201051161Y (en) | 2007-04-28 | 2007-04-28 | A single optical fiber calibrator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201051161Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101833147A (en) * | 2010-05-20 | 2010-09-15 | 潮州三环（集团）股份有限公司 | Multicore fiber inserting core body for gas tightness packaging of photoswitch |
| CN102183824A (en) * | 2011-05-31 | 2011-09-14 | 潮州三环（集团）股份有限公司 | Two-dimensional optical fiber array with collimation lens |
| CN102354029A (en) * | 2011-09-28 | 2012-02-15 | 福州百讯光电有限公司 | Jumper wire collimating device |
| CN103837934A (en) * | 2012-11-22 | 2014-06-04 | 福州高意通讯有限公司 | Optical-fiber circulator |
| CN103901546A (en) * | 2014-03-31 | 2014-07-02 | 中国科学院上海光学精密机械研究所 | Optical fiber collimator |
| CN104730646A (en) * | 2015-04-17 | 2015-06-24 | 黄石晨信光电有限责任公司 | Focusing-type optical wavelength division multiplexer |
-
2007
- 2007-04-28 CN CN 200720006931 patent/CN201051161Y/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101833147A (en) * | 2010-05-20 | 2010-09-15 | 潮州三环（集团）股份有限公司 | Multicore fiber inserting core body for gas tightness packaging of photoswitch |
| CN101833147B (en) * | 2010-05-20 | 2014-05-07 | 潮州三环（集团）股份有限公司 | Multicore fiber inserting core body for gas tightness packaging of photoswitch |
| CN102183824A (en) * | 2011-05-31 | 2011-09-14 | 潮州三环（集团）股份有限公司 | Two-dimensional optical fiber array with collimation lens |
| CN102354029A (en) * | 2011-09-28 | 2012-02-15 | 福州百讯光电有限公司 | Jumper wire collimating device |
| CN103837934A (en) * | 2012-11-22 | 2014-06-04 | 福州高意通讯有限公司 | Optical-fiber circulator |
| CN103837934B (en) * | 2012-11-22 | 2016-01-20 | 福州高意通讯有限公司 | A kind of optical fiber circulator |
| CN103901546A (en) * | 2014-03-31 | 2014-07-02 | 中国科学院上海光学精密机械研究所 | Optical fiber collimator |
| CN103901546B (en) * | 2014-03-31 | 2016-03-09 | 中国科学院上海光学精密机械研究所 | Optical fiber collimator |
| CN104730646A (en) * | 2015-04-17 | 2015-06-24 | 黄石晨信光电有限责任公司 | Focusing-type optical wavelength division multiplexer |
| CN104730646B (en) * | 2015-04-17 | 2018-01-12 | 黄石晨信光电有限责任公司 | A kind of focusing light wavelength division multiplexing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20080423 |