CN205507151U - Three -dimensional compact multichannel optical wavelength division multiplexer of one end light -emitting - Google Patents
Three -dimensional compact multichannel optical wavelength division multiplexer of one end light -emitting Download PDFInfo
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- CN205507151U CN205507151U CN201620209167.3U CN201620209167U CN205507151U CN 205507151 U CN205507151 U CN 205507151U CN 201620209167 U CN201620209167 U CN 201620209167U CN 205507151 U CN205507151 U CN 205507151U
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Abstract
The utility model discloses a three -dimensional compact multichannel optical wavelength division multiplexer of one end light -emitting, a N filter plate that sets up including public wavelength path optical collimator, N single wavelength path optical collimator, with single wavelength path optical collimator one -to -one, single -band among the corresponding transmission of optical signals of every filter plate, still include optical parallel plate and direction prism, the filter plate is two and distributes on optical parallel plate's coplanar, still is equipped with the high anti - membrane of the HR who is used for the light wave reflection on the last plane with aforesaid flat surface parallel of optical parallel plate and is used for light wave sectionalised edge filter plate, lead prism and the corresponding setting of edge filter plate, the utility model discloses compact structure, loss are hanged down, can be realized optical wavelength division multiplexer one end light -emitting function.
Description
Technical field
This utility model relates to a kind of light wavelength division multiplexing, particularly to a kind of one three-dimensional Compact multi-channel light wavelength division multiplexing bringing out light, belongs to technical field of optical fiber communication.
Background technology
Chinese patent database discloses on May 4th, 2011 utility model patent that patent name is " a kind of low-loss multichannel wavelength division multiplexer ", its Patent No.: 2011201957031.The patent application disclosing a kind of light wavelength division multiplexing, including public passage collimator, first passage diaphragm, first passage collimator, second channel diaphragm and second channel collimator, each passage diaphragm and each channel collimator are each attached on substrate.Multichannel light signal is launched by public passage collimator, first passage optical signal enters first passage collimator through first passage diaphragm, rest channels optical signal is reflexed to second channel diaphragm by first passage diaphragm, second channel optical signal enters second channel collimator through second channel diaphragm, rest channels optical signal reflexes to next passage by second channel diaphragm, the rest may be inferred, completes multichannel light wavelength-division multiplex function.It is disadvantageous in that: 1, during manufacturing, and needs repeatedly to debug, be pasted on one by one on substrate, cause that light wave multiplexer is loosely organized, production efficiency is low behind location during each passage diaphragm location；2, utilize passage diaphragm to carry out optical signal reflection, be only applicable to two and bring out light, it is impossible to meet one and bring out light demand；3, multichannel light signal demand carries out multiple reflections partial wave, owing to there is the collimator of multiple passage, if each channel collimator considers conformity of production, then can use optical fiber and the lens of same specification of same specification, each channel collimator is the most inconsistent with the coupling distance of public port collimator, there is optical signal loss during multiple reflections big, also result in each channel collimator simultaneously and produce different coupling efficiencies.
Utility model content
The purpose of this utility model is to overcome deficiency of the prior art, it is provided that a kind of one brings out the three-dimensional Compact multi-channel light wavelength division multiplexing of light, solves the technical problem that in prior art, light wavelength division multiplexing structure is the compactest, coupling loss is big.
For solving above-mentioned technical problem, this utility model be the technical scheme is that a kind of one three-dimensional Compact multi-channel light wavelength division multiplexing bringing out light, the N number of filter plate arranged including common wavelength channel fiber collimator, N number of Single wavelength channel fiber collimator and Single wavelength channel fiber collimator one_to_one corresponding, a wave band in each filter plate correspondence optical signal transmissive；Also include optical parallel plate and guide prism, described filter plate is that two column distributions are on the same plane of optical parallel plate, it is additionally provided with the HR high-reflecting film for light wave reflection and the Edge filter plate for OWDM function with in the plane of aforesaid plane parallel on optical parallel plate, guides prism setting corresponding with Edge filter plate；
Common wavelength channel fiber collimator launches multichannel light signal, after optical parallel plate reflects, is transmitted through Edge filter plate；Part optical signals is reflexed to optical parallel plate by Edge filter plate, as the multichannel light signal source of first row filter plate；Remaining optical signal enters through Edge filter plate and guides prism, is again introduced into optical parallel plate, as the multichannel light signal source of secondary series filter plate through guiding prism guiding；First row filter plate, secondary series filter plate are respectively cooperating with HR high-reflecting film, it is achieved the OWDM function of multichannel light signal, make the optical signal of specific wavelength enter corresponding Single wavelength channel fiber collimator.
Described guiding prism includes the first triangular prism, the second triangular prism and total reflection prism in the same direction, first triangular prism, the second triangular prism are divided into the two ends, left and right of total reflection prism in the same direction, and the inclined-plane of the first triangular prism and the inclined-plane of the second triangular prism are oppositely arranged.
Described guiding prism uses optics to lead to luminescent material.
Described N is not less than 8.
Also include that substrate, described common wavelength channel fiber collimator, N number of Single wavelength channel fiber collimator, optical parallel plate and guiding prism are individually fixed on substrate.
Described substrate uses any one of quartz glass, Pyrex, pottery, kovar alloy or invar alloy.
Compared with prior art, this utility model is reachedBeneficial effectIt is: use Edge filter plate, in conjunction with guiding prism, multichannel light signal is divided into two, the coupling distance of part Single wavelength channel fiber collimator and common wavelength channel fiber collimator can be shortened, effectively reduce the loss of multichannel light signal, significantly improve the work efficiency of light wavelength division multiplexing；2, use HR high-reflecting film to carry out the reflection of optical signal, it is possible to realize light wavelength division multiplexing one and bring out light, meet single-ended go out light user's request；3, filter plate is that two column distributions are on the same plane of optical parallel plate, structure is compacter, the volume of light wavelength division multiplexing can be reduced, additionally, filter plate according to the incidence point of optical signal directly paste with on optical parallel plate, it is easy to filter plate and location is installed, it is possible to increase the production efficiency of light partial wave multiplexer.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model 8 passage light wavelength division multiplexing.
Fig. 2 is the structural representation of optical parallel plate in Fig. 1.
Fig. 3 is that the A guiding prism in Fig. 1 is to structural representation.
In figure: 1, common wavelength channel fiber collimator；2, Single wavelength channel fiber collimator；3, filter plate；4, optical parallel plate；5, HR high-reflecting film；6, Edge filter plate；7a, the first triangular prism；7b, the second triangular prism；7c, in the same direction total reflection prism.
Detailed description of the invention
Below in conjunction with the accompanying drawings this utility model is further described.Following example are only used for clearly illustrating the technical solution of the utility model, and can not limit protection domain of the present utility model with this.
As a example by 8 passages, as shown in Figure 1 and Figure 2,8 filter plates 3 arranged including a common wavelength channel fiber collimator 4,8 Single wavelength channel fiber collimators 2 of 1, optical parallel plate and Single wavelength channel fiber collimator 2 one_to_one corresponding, the corresponding optical signal filtering a wave band of each filter plate 3.8 filter plates 3 are equally assigned into two groups, it is pasted in a plane of optical parallel plate 4 in two row, with be pasted with Edge filter plate 6 and HR high-reflecting film 5 in another plane of this plane parallel, Edge filter plate 6 can separately in multichannel light signal the optical signal of subwave length pass through, the optical signal of its commplementary wave length will all be reflected onto optical parallel plate 4, HR high-reflecting film 5 does not the most allow the optical signal of any wavelength to pass through, and is only used for the reflection of optical signal.Guiding the incidence point setting corresponding with the eye point of Edge filter plate 6 of prism, the optical signal through Edge filter plate 6 is directed to secondary series filter plate through guiding prism.
As shown in Figure 3, guide prism and include the first triangular prism 7a, the second triangular prism 7b and total reflection prism 7c in the same direction, first triangular prism 7a, the second triangular prism 7b are divided into the two ends, left and right of total reflection prism 7c in the same direction, and the inclined-plane of the first triangular prism 7a and the inclined-plane of the second triangular prism 7b are oppositely arranged.In Fig. 3, the triangular prism that the first triangular prism 7a, the second triangular prism 7b all use cross section to be isosceles right triangle, the inclined-plane of the first triangular prism 7a is downward, and the inclined-plane of the second triangular prism 7b and the inclined-plane of the first triangular prism 7a are relative, upwards.Total reflection prism 7c selects the most double 45 ° of total reflection prisms or is coated with the most double 45 ° of reflecting prisms of high-reflecting film in the same direction.Whether the first triangular prism 7a, the second triangular prism 7b total reflection prism 7c the most in the same direction all select optics to lead to luminescent material, preferably optical glass.
In order to the most fixing each parts, light wavelength division multiplexing disclosed in this utility model also includes that substrate (not shown), common wavelength channel fiber collimator 1, Single wavelength channel fiber collimator 2, optical parallel plate 4 and guiding prism are individually fixed on substrate.Substrate can use any one of quartz glass, Pyrex, pottery, kovar alloy or invar alloy.
In order to preferably embody the beneficial effects of the utility model, this utility model is applicable to 8 passages and above light wavelength division multiplexing, i.e. N not less than 8.
Common wavelength channel fiber collimator 1 launches multichannel light signal, reflect through optical parallel plate 4, launch to Edge filter plate 6, part optical signals is reflexed to first row filter plate by Edge filter plate 6, wherein part optical signals enters corresponding first Single wavelength channel fiber collimator 2 through first filter plate of first row filter plate, remaining optical signal is reflected onto optical parallel plate 4, reflect through HR highly reflecting films, the refraction again of optical parallel plate 4, second corresponding Single wavelength channel fiber collimator 2 is entered by second filter plate of first row filter plate, the rest may be inferred, until the whole partial wave of all filter plates of first row 3 completes；Multichannel light signal is exported to guiding prism by the optical signal of Edge filter plate 6, guiding prism will transmit through the optical signal of Edge filter plate 6 and is directed to secondary series filter plate, incident light source as secondary series filter plate, reflect through optical parallel plate 4, the part optical signals that makes of first filter plate of secondary series filter plate enters first corresponding Single wavelength channel fiber collimator 2, remaining optical signal reflexes to optical parallel plate 4 again, reflect through HR highly reflecting films, the refraction again of optical parallel plate 4, second Single wavelength channel fiber collimator 2 of correspondence is entered by second filter plate 3 of secondary series filter plate, the rest may be inferred, realize the light wavelength-division of multichannel light signal, the optical signal making specific wavelength enters corresponding Single wavelength channel fiber collimator 2.
The above is only preferred implementation of the present utility model; should be understood that; for those skilled in the art; on the premise of without departing from this utility model know-why; can also make some improvement and deformation, these improve and deformation also should be regarded as protection domain of the present utility model.
Claims (6)
1. the three-dimensional Compact multi-channel light wavelength division multiplexing bringing out light, the N number of filter plate arranged including common wavelength channel fiber collimator, N number of Single wavelength channel fiber collimator and Single wavelength channel fiber collimator one_to_one corresponding, a wave band in each filter plate correspondence optical signal transmissive；It is characterized in that: also include optical parallel plate and guide prism, described filter plate is that two column distributions are on the same plane of optical parallel plate, it is additionally provided with the HR high-reflecting film for light wave reflection and the Edge filter plate for OWDM function with in the plane of aforesaid plane parallel on optical parallel plate, guides prism setting corresponding with Edge filter plate；
Common wavelength channel fiber collimator launches multichannel light signal, after optical parallel plate reflects, is transmitted through Edge filter plate；Part optical signals is reflexed to optical parallel plate by Edge filter plate, as the multichannel light signal source of first row filter plate；Remaining optical signal enters through Edge filter plate and guides prism, is again introduced into optical parallel plate, as the multichannel light signal source of secondary series filter plate through guiding prism guiding；First row filter plate, secondary series filter plate are respectively cooperating with HR high-reflecting film, it is achieved the OWDM function of multichannel light signal, make the optical signal of specific wavelength enter corresponding Single wavelength channel fiber collimator.
The most according to claim 1 one three-dimensional Compact multi-channel light wavelength division multiplexing bringing out light, it is characterized in that, described guiding prism includes the first triangular prism, the second triangular prism and total reflection prism in the same direction, first triangular prism, the second triangular prism are divided into the two ends, left and right of total reflection prism in the same direction, and the inclined-plane of the first triangular prism and the inclined-plane of the second triangular prism are oppositely arranged.
The most according to claim 2 one three-dimensional Compact multi-channel light wavelength division multiplexing bringing out light, it is characterised in that described guiding prism uses optics to lead to luminescent material.
The most according to claim 1 one three-dimensional Compact multi-channel light wavelength division multiplexing bringing out light, it is characterised in that described N is not less than 8.
The most according to claim 1 one three-dimensional Compact multi-channel light wavelength division multiplexing bringing out light, it is characterized in that, also include that substrate, described common wavelength channel fiber collimator, N number of Single wavelength channel fiber collimator, optical parallel plate and guiding prism are individually fixed on substrate.
The most according to claim 5 one low-loss Compact multi-channel light wavelength division multiplexing bringing out light, it is characterised in that described substrate uses any one of quartz glass, Pyrex, pottery, kovar alloy or invar alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620209167.3U CN205507151U (en) | 2016-03-18 | 2016-03-18 | Three -dimensional compact multichannel optical wavelength division multiplexer of one end light -emitting |
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| CN201620209167.3U CN205507151U (en) | 2016-03-18 | 2016-03-18 | Three -dimensional compact multichannel optical wavelength division multiplexer of one end light -emitting |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105739025A (en) * | 2016-03-18 | 2016-07-06 | 苏州伽蓝致远电子科技股份有限公司 | Three-dimensional compact multichannel light wavelength division multiplexer with one light emergent end |
| CN106526753A (en) * | 2017-01-12 | 2017-03-22 | 中国计量大学 | Low-loss-type multichannel wavelength division multiplexer |
| CN107422424A (en) * | 2017-08-14 | 2017-12-01 | 太仓宏微电子科技有限公司 | A kind of optical switching array based on tunable optic filter |
| US11460641B2 (en) | 2015-12-18 | 2022-10-04 | Alliance Fiber Optic Products, Inc. | Free-space optical collimator |
| US11782215B2 (en) | 2022-01-06 | 2023-10-10 | Browave Corporation | Optical device |
-
2016
- 2016-03-18 CN CN201620209167.3U patent/CN205507151U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11460641B2 (en) | 2015-12-18 | 2022-10-04 | Alliance Fiber Optic Products, Inc. | Free-space optical collimator |
| CN105739025A (en) * | 2016-03-18 | 2016-07-06 | 苏州伽蓝致远电子科技股份有限公司 | Three-dimensional compact multichannel light wavelength division multiplexer with one light emergent end |
| CN106526753A (en) * | 2017-01-12 | 2017-03-22 | 中国计量大学 | Low-loss-type multichannel wavelength division multiplexer |
| CN107422424A (en) * | 2017-08-14 | 2017-12-01 | 太仓宏微电子科技有限公司 | A kind of optical switching array based on tunable optic filter |
| US11782215B2 (en) | 2022-01-06 | 2023-10-10 | Browave Corporation | Optical device |
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