CN203643648U - Array module integrating wavelength-division multiplexer and detector - Google Patents
Array module integrating wavelength-division multiplexer and detector Download PDFInfo
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- CN203643648U CN203643648U CN201320541442.8U CN201320541442U CN203643648U CN 203643648 U CN203643648 U CN 203643648U CN 201320541442 U CN201320541442 U CN 201320541442U CN 203643648 U CN203643648 U CN 203643648U
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Abstract
The utility model discloses an array module integrating a wavelength-division multiplexer and a detector, belonging to the field of optical fiber communication devices. The array module comprises a single fiber collimator, a reflection sheet group, a CWDM optical filter group and a photoelectric detector group, which are arranged in an outer encapsulation casing, wherein the CWDM optical filter group is arranged between the reflection sheet group and the photoelectric detector group, and the CWDM optical filter group is parallel with the reflection sheet group and the photoelectric detector group. CWDM optical filters of the CWDM optical filter group and reflection sheets of the reflection sheet group are positioned in a staggered manner. The single fiber collimator is arranged outside of the end of the reflection sheet group, with an outgoing end pointing to a first incident end. Reflecting ends of the reflection sheet group point to incident ends of the CWDM optical filter group sequentially and correspondingly. Outgoing ends of the CWDM optical filter group point to the incident ends of the photoelectric detector group sequentially and correspondingly. The first reflecting end to the <N-1>-th reflecting end of the CWDM optical filter group point to the second incident end to the N-th incident end of the reflection sheet group sequentially and correspondingly. The array module has compact structure, easy assembling and low cost.
Description
Technical field
The utility model relates to optical communication equipment field, particularly relates to a kind of array module of being convenient to integrated wavelength-division multiplex and optical power detector.
Background technology
Wavelength-division multiplex technique (wavelength-division multiplexing, be called for short WDM), the optical carrier of two or more different wave lengths (carrying various information) can be transmitted in multiplexer (also claiming wave multiplexer) merges together and be coupled to same optical fiber of optical link at transmitting terminal.At receiving end, through demodulation multiplexer (also claim channel-splitting filter or claim demultiplexer), the light carrier of various wavelength is separated, be then for further processing to recover original signal by photoreceiver.Wavelength-division multiplex technique has improved the capacity of optical fiber communication greatly, becomes the best way of building large volume transport network.
In optical fiber telecommunications system, particularly, in the jumbo optical fiber telecommunications system of the long distance in Duo Xin road, also need the light that wavelength-division multiplex is decomposed to be out directly converted to electric signal, then electric signal is processed.In prior art, conversion regime is that the mode of wavelength division multiplex device and the detector fused fiber splice with coupling fiber is realized to connection.But the structural volume that this connected mode forms is large, be not easy to integratedly, and stability is bad.
Utility model content
The technical problems to be solved in the utility model is to provide the array module of a kind of integrated wavelength-division multiplex and optical power detector, facilitates integratedly, can solve existing fiber welding wavelength division multiplex device and detector with coupling fiber, and volume is not easy to greatly integrated problem.
For solving the problems of the technologies described above, the utility model provides the array module of a kind of integrated wavelength-division multiplex and detector, comprising:
Be arranged on single optical fiber calibrator, reflector plate group, CWDM filter set and photodetector group in outer package housing; Wherein,
Described CWDM filter set is arranged between described reflector plate group and photodetector group, described CWDM filter set is parallel with described photodetector group with described reflector plate group respectively, staggers in each CWDM optical filter of described CWDM filter set and each reflector plate position of described reflector plate group;
Described single optical fiber calibrator is arranged on the outside, one end of described reflector plate group, and its exit end points to the first incident end of described reflector plate group;
Each reflection end of described reflector plate group is the corresponding each incident end that points to described CWDM filter set successively;
Each exit end of described CWDM filter set is the corresponding each incident end that points to described photodetector group successively, and the first reflection end to the N-1 reflection end of described CWDM filter set is corresponding the second incident end to the N incident end that points to described reflector plate group successively.
The beneficial effects of the utility model are: be arranged in outer package housing integrated to single optical fiber calibrator, reflector plate group, CWDM filter set and photodetector group, coordinate and realize wavelength-division multiplex by reflector plate group, CWDM filter set, form the array module of a kind of integrated wavelength-division multiplex and optical power detector.Have assembling simple, package dimension is little, the advantages such as cost is low, good stability.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the utility model embodiment, below the accompanying drawing of required use during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain other accompanying drawings according to these accompanying drawings.
The inner structure schematic diagram of the array module that Fig. 1 provides for the utility model embodiment;
The one-piece construction schematic diagram of the array module that Fig. 2 provides for the utility model embodiment.
Embodiment
Below the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Based on embodiment of the present utility model, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to protection domain of the present utility model.
The utility model provides the array module of a kind of integrated wavelength-division multiplex and detector, and as shown in Figure 1, this array module comprises:
Be arranged on single optical fiber calibrator 1, reflector plate group 2, CWDM filter set 3 and photodetector group 4 in outer package housing 5; Wherein,
Described CWDM filter set 3 is arranged between described reflector plate group 2 and photodetector group 4, described CWDM filter set 3 is parallel with described photodetector group 4 with described reflector plate group 2 respectively, staggers in each CWDM optical filter of described CWDM filter set 3 and each reflector plate position of described reflector plate group 2;
Described single optical fiber calibrator 1 is arranged on the outside, one end of described reflector plate group 2, and its exit end points to the first incident end of described reflector plate group 2;
Each reflection end of described reflector plate group 2 is the corresponding each incident end that points to described CWDM filter set 3 successively;
Each exit end of described CWDM filter set 3 is the corresponding each incident end that points to described photodetector group successively, and the first reflection end to the N-1 reflection end of described CWDM filter set is corresponding the second incident end to the N incident end that points to described reflector plate group successively.
Preferably, in above-mentioned array module, single optical fiber calibrator, by encapsulating sleeve pipe, is arranged on the collimation lens in described encapsulation sleeve pipe and is arranged on the single fiber head formation of described encapsulation sleeve pipe one end as incident end, and the described encapsulation sleeve pipe other end is exit end.Concrete: single fiber head and lens are all fixed in encapsulation sleeve pipe separately, single fiber head is arranged on one end of encapsulation sleeve pipe as incident end, single fiber head is made up of ferrule and the optical fiber that is positioned at ferrule, single fiber head, and the end face of collimation lens is all coated with anti-reflection film.
Preferably, in above-mentioned array module, reflector plate group is made up of multiple reflector plates, each reflector plate as entering, the reflecting surface of reflection end becomes rods arranged in horizontal line, reflecting surface is provided with the reflectance coating corresponding to CWDM wavelength.Concrete: reflector plate group is parallel with CWDM filter set, is provided with the reflectance coating corresponding with CWDM wavelength facing to a side of CWDM filter set.
Preferably, in above-mentioned array module, CWDM filter set is made up of multiple CWDM optical filters, each CWDM optical filter as entering, the reflecting surface that enters of reflection end becomes rods arranged in horizontal line, enter reflecting surface and be provided with reflectance coating.
Preferably, in above-mentioned array module, photodetector group is made up of the multiple optical power detectors that become rods arranged in horizontal line, each optical power detector is corresponding one by one with each CWDM filter set of described CWDM filter set, an i.e. corresponding photodetector of CWDM optical filter, and angled between each optical power detector and each CWDM optical filter, this angle can guarantee that the light that CWDM filter set filters enters photodetector with certain light intensity.
Concrete, in above-mentioned array module, single optical fiber calibrator is arranged on the outside, one end of reflector plate group, and its exit end points to the incident end of the first reflector plate of reflector plate group;
The reflection end of each reflector plate of reflector plate group is successively corresponding to the incident end of each CWDM filter set of CWDM filter set;
The incident end of each CWDM filter set can also antireflection part light signal also as exit end, the exit end of each CWDM filter set of CWDM filter set is successively corresponding to the incident end of each photodetector of photodetector group, in CWDM filter set except the reflection end of each CWDM optical filter of last CWDM optical filter is successively corresponding to the incident end of the each reflector plate after the first reflector plate of reflector plate group.The light that is equivalent to the CWDM optical filter reflection in CWDM filter set incides on the second reflector plate of reflector plate group, the light of the second reflector plate reflection incides the 2nd CWDM optical filter in CWDM filter set, the like, because last CWDM optical filter has not needed reflected light, so need not be again to reflector plate group reflected light.
Further, above-mentioned array module also comprises: mounting base, outer package housing is arranged on described mounting base.Facilitate the installation of whole array module by mounting base.
Shown in Fig. 2, for a kind of array module structural representation of outer package housing 5 and pedestal 6 is installed, pedestal 6 and outer package housing 5 also can otherwise be installed.
Below in conjunction with accompanying drawing, array module of the present utility model is illustrated.
As shown in Figure 2, a kind of integrated wavelength-division multiplex of 4 passages of the present utility model and the array module of optical power detector, comprise a single optical fiber calibrator 1, a reflector plate group 2,4, one pedestals 6 of 3, one photodetector groups of a CWDM filter set and outer package housing 5; Single optical fiber calibrator 1 is by single fiber head, and collimation lens and encapsulation sleeve pipe form; Reflector plate group 2 comprises four reflector plates 201,202,203,204; CWDM filter set 3 comprises four optical filters 301,302,303,304, and photodetector group 4 comprises four detectors 401,402,403,404.The reflector plate 201,202,203 of reflector plate group 2,204 one-tenth rods arranged in horizontal lines, and be arranged in parallel with CWDM filter set 3, a lateral reflection face of CWDM optical filter is all coated with the reflectance coating corresponding with CWDM wavelength relatively; The optical filter 301,302,303 of CWDM filter set 3,304 one-tenth rods arranged in horizontal lines, and be parallel to each other with reflector plate group 2; The photodetector 401,402,403,404 of photodetector group 4 is corresponding one by one with CWDM optical filter 301,302,303,304 respectively, and angled fixing, to guarantee that the light that each CWDM optical filter filters enters each photodetector.
The array module of the present embodiment can be placed in the receiving terminal of CWDM system, its principle of work is: the light signal transmitting from front end is from the optical fiber input of single optical fiber calibrator 1, first by reflector plate 201(the first reflector plate through reflector plate group) CWDM optical filter 301(the one CWDM optical filter of arrival CWDM filter set after reflection), the light of a wavelength is after CWDM optical filter 301, be transmitted to the end face of the first photodetector 401 of photodetector group, received and be converted to electric signal by photodetector 401; The light of its commplementary wave length arrives reflector plate 202 after 301 reflections of CWDM optical filter, after reflector plate 202 reflections, arrive CWDM optical filter 302, the light of another wavelength is transmitted on the end face of photodetector 402 after CWDM optical filter 302, is received and is converted to electric signal by photodetector 402; In like manner remaining light arrives reflector plate 203 after 302 reflections of CWDM optical filter, one by one each wavelength is coupled in photodetector 403,404 (light at this array module operating path as shown in arrow line in Fig. 2), thereby the Different lightwave in optical fiber (being unlike signal) is coupled to respectively in different photodetectors, is converted to electric signal and processes respectively.
The array module of the present embodiment is to introduce specific works principle as an example of 4 passages example, and actual scheme of the present utility model is not limited to 4 passages, can be the combination of any passage.
The array module compact conformation of this utility model, easily assembles, and greatly saves the space in the space of receiving end, has reduced cost.
The above; it is only preferably embodiment of the utility model; but protection domain of the present utility model is not limited to this; any be familiar with those skilled in the art the utility model disclose technical scope in; the variation that can expect easily or replacement, within all should being encompassed in protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of claims.
Claims (6)
1. an array module for integrated wavelength-division multiplex and detector, is characterized in that, comprising:
Be arranged on single optical fiber calibrator, reflector plate group, CWDM filter set and photodetector group in outer package housing; Wherein,
Described CWDM filter set is arranged between described reflector plate group and photodetector group, described CWDM filter set is parallel with described photodetector group with described reflector plate group respectively, staggers in each CWDM optical filter of described CWDM filter set and each reflector plate position of described reflector plate group;
Described single optical fiber calibrator is arranged on the outside, one end of described reflector plate group, and its exit end points to the first incident end of described reflector plate group;
Each reflection end of described reflector plate group is the corresponding each incident end that points to described CWDM filter set successively;
Each exit end of described CWDM filter set is the corresponding each incident end that points to described photodetector group successively, and the first reflection end to the N-1 reflection end of described CWDM filter set is corresponding the second incident end to the N incident end that points to described reflector plate group successively.
2. array module as claimed in claim 1, it is characterized in that, described single optical fiber calibrator, by encapsulating sleeve pipe, is arranged on the collimation lens in described encapsulation sleeve pipe and is arranged on the single fiber head formation of described encapsulation sleeve pipe one end as incident end, and the described encapsulation sleeve pipe other end is exit end.
3. array module as claimed in claim 1 or 2, it is characterized in that, described reflector plate group is made up of multiple reflector plates, each reflector plate as entering, the reflecting surface of reflection end becomes rods arranged in horizontal line, the reflecting surface of described each reflector plate is provided with the reflectance coating corresponding to CWDM wavelength.
4. array module as claimed in claim 1 or 2, is characterized in that, described CWDM filter set is made up of multiple CWDM optical filters, each CWDM optical filter as entering, the reflecting surface that enters of reflection end becomes rods arranged in horizontal line.
5. array module as claimed in claim 1 or 2, it is characterized in that, described photodetector group is made up of the multiple optical power detectors that become rods arranged in horizontal line, each optical power detector is corresponding one by one with each CWDM filter set of described CWDM filter set, and angled between each optical power detector and each CWDM optical filter.
6. array module as claimed in claim 1 or 2, is characterized in that, also comprises: pedestal, be arranged in described outer package housing, and each parts are arranged on described pedestal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320541442.8U CN203643648U (en) | 2013-09-02 | 2013-09-02 | Array module integrating wavelength-division multiplexer and detector |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320541442.8U CN203643648U (en) | 2013-09-02 | 2013-09-02 | Array module integrating wavelength-division multiplexer and detector |
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| CN203643648U true CN203643648U (en) | 2014-06-11 |
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| CN201320541442.8U Expired - Lifetime CN203643648U (en) | 2013-09-02 | 2013-09-02 | Array module integrating wavelength-division multiplexer and detector |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109669250A (en) * | 2019-03-07 | 2019-04-23 | 上海葛西光学科技有限公司 | Transmitting-receiving optical module is used up in compact integrated single fiber three-way transmission |
-
2013
- 2013-09-02 CN CN201320541442.8U patent/CN203643648U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109669250A (en) * | 2019-03-07 | 2019-04-23 | 上海葛西光学科技有限公司 | Transmitting-receiving optical module is used up in compact integrated single fiber three-way transmission |
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Granted publication date: 20140611 |
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