CN111443432A - Wavelength division multiplexing optical communication device - Google Patents
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- CN111443432A CN111443432A CN202010419779.6A CN202010419779A CN111443432A CN 111443432 A CN111443432 A CN 111443432A CN 202010419779 A CN202010419779 A CN 202010419779A CN 111443432 A CN111443432 A CN 111443432A
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- 238000004891 communication Methods 0.000 title claims abstract description 49
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- 230000001360 synchronised effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 description 16
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- 239000013307 optical fiber Substances 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 4
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
- G02B6/293—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means
- G02B6/29304—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means operating by diffraction, e.g. grating
- G02B6/29305—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means operating by diffraction, e.g. grating as bulk element, i.e. free space arrangement external to a light guide
- G02B6/2931—Diffractive element operating in reflection
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
- G02B6/293—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means
- G02B6/29379—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means characterised by the function or use of the complete device
- G02B6/2938—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means characterised by the function or use of the complete device for multiplexing or demultiplexing, i.e. combining or separating wavelengths, e.g. 1xN, NxM
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/32—Optical coupling means having lens focusing means positioned between opposed fibre ends
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J14/00—Optical multiplex systems
- H04J14/02—Wavelength-division multiplex systems
- H04J14/0201—Add-and-drop multiplexing
- H04J14/0202—Arrangements therefor
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- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Optical Couplings Of Light Guides (AREA)
Abstract
The invention provides a wavelength division multiplexing optical communication device, which comprises a diffraction light assembly, an adjusting assembly, a receiving port, a plurality of optical lenses and a plurality of filters with different wavelengths, wherein the diffraction light assembly is provided with a plurality of mounting holes at intervals, the optical lenses are arranged in the mounting holes, the adjusting assembly is positioned in the diffraction light assembly and is rotationally connected with the diffraction light assembly, the plurality of filters are obliquely arranged on the adjusting assembly, each filter is arranged at a position corresponding to the optical lens to shield light incident through the optical lens, the receiving port is arranged at one end of the diffraction light assembly and is positioned on an emergent light path of the diffraction light assembly, the light incident through the plurality of optical lenses can be respectively reflected by the plurality of filters and then is converged to the receiving port, and the adjusting assembly is used for driving the plurality of filters to synchronously rotate for an angle within a preset range relative to the diffraction light assembly. The filter can synchronously rotate relative to the diffraction light assembly by a preset range of angles through the adjusting assembly, and can adjust the output light power.
Description
Technical Field
The present invention relates to the field of wavelength division multiplexing technology, and more particularly, to a wavelength division multiplexing optical communication device.
Background
Wavelength Division Multiplexing (WDM) is a technique in which two or more optical carrier signals with different wavelengths and carrying various information are combined together at a transmitting end by a multiplexer (also called a multiplexer) and coupled to the same optical fiber of an optical line for transmission; at the receiving end, the optical carriers of various wavelengths are separated by a Demultiplexer (also known as a Demultiplexer or Demultiplexer) and then further processed by an optical receiver to recover the original signal. This technique of simultaneously transmitting two or more optical signals with different wavelengths in the same optical fiber is called wavelength division multiplexing.
In recent years, most of laser used by a conventional Chip On Board (COB) technology is 850nm multimode laser, and parallel optical communication is implemented, so that a WDM technology capable of simultaneously transmitting two or more optical signals with different wavelengths in the same optical fiber is widely applied to the COB.
Therefore, there is a need for an improvement of the above-described wavelength division multiplexing optical communication device applied to the COB.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: provided is a wavelength division multiplexing optical communication device, which aims to solve the problem that the existing wavelength division multiplexing optical communication device applied to COB can not adjust the output optical power.
In order to solve the technical problems, the invention adopts the technical scheme that:
an embodiment of the present invention provides a wavelength division multiplexing optical communication apparatus, including:
diffraction light subassembly, adjusting part, acceptance opening, a plurality of optical lens and have a plurality of filters of different wavelength, the last spaced apart of diffraction light subassembly is equipped with a plurality of mounting holes, optical lens sets up in the mounting hole, adjusting part is located diffraction light subassembly and rotates with diffraction light subassembly and be connected, and is a plurality of on the adjusting part is located in the filter slope, and the position setting that each filter corresponds optical lens is in order to shelter from the light of inciting via optical lens, diffraction light subassembly one end is located to the acceptance opening, and is located diffraction light subassembly's emergent light path, and is a plurality of the light of optical lens incidences can be assembled to the acceptance opening after reflecting by a plurality of filters respectively, just adjusting part is used for driving a plurality of filters for the angle of diffraction light subassembly synchronous rotation preset range.
In some specific embodiments, the adjusting assembly comprises a plurality of rotating shafts, a plurality of placing grooves are arranged in the diffractive optical assembly and are positioned on two sides of the plurality of mounting holes, and the rotating shafts are erected in any two opposite placing grooves and are rotatably connected with the diffractive optical assembly.
In some specific embodiments, the wavelength division multiplexing optical communication device further includes a display screen, a control component, a driving component, and at least one sensor, where the sensor is disposed on an exit light path of the diffractive optical component, the display screen, the control component, and the driving component are disposed on an outer wall of the diffractive optical component, the sensor is electrically connected to the display screen and the control component, the control component is electrically connected to the display screen and the driving component, the driving component is connected to the rotating shaft in a driving manner, the sensor is configured to acquire and send output optical power data to the control component and the display screen, and the control component is configured to control the driving component to drive the rotating shaft to rotate, so that the plurality of filters synchronously rotate with respect to the diffractive optical component.
In some specific embodiments, the driving component is a servo motor, and the display screen is a touch display screen.
In some specific embodiments, a plurality of the filter segments form a first filter segment group, and the wavelength division multiplexing optical communication device further includes: and the second filter plate group comprises the same number of filter plates as the first filter plate group, and different wavelengths are arranged between the filter plates in the second filter plate group and the filter plates in the first filter plate group.
In some specific implementation schemes, the filter plates in the first filter plate group and the filter plates in any second filter plate group are detachably connected with the rotating shaft.
In some specific embodiments, the spacing between any two of the filters is 1 mm.
In some specific embodiments, the filter is any one of a dichroic mirror filter, a long-wavelength pass filter, a short-wavelength pass filter, and a cut-off filter.
In some specific embodiments, the receiving port is any one of L C, FC, SC, and ST standard single mode fiber interfaces.
In some specific embodiments, the wavelength division multiplexing optical communication device further includes a plurality of lasers for emitting different wavelengths, the plurality of lasers are located on a side of the optical lens away from the filter, and are respectively arranged corresponding to the plurality of optical lenses to respectively emit light to the plurality of optical lenses.
Compared with the prior art, the invention has the beneficial effects that:
after being collimated by the optical lenses, the lights with different wavelengths are irradiated onto the filter plates correspondingly, and then are reflected into parallel lights by the filter plates and then reach the receiving port to be converged into a beam of light. In the process, the plurality of filters can synchronously rotate the angle within the preset range relative to the diffractive light assembly through the adjusting assembly, so that the angle of the surfaces, provided with the mounting holes, of the plurality of filters and the diffractive light assembly can be adjusted in real time through synchronously rotating the plurality of filters relative to the diffractive light assembly, and the purpose of adjusting the output light power in real time is achieved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a first structural diagram of a wavelength division multiplexing optical communication device according to a first embodiment of the present invention;
fig. 2 is a schematic structural diagram of a receiving port according to a first embodiment of the present invention;
fig. 3 is a second structural diagram of the wavelength division multiplexing optical communication device according to the first embodiment of the present invention;
FIG. 4 is a schematic diagram of a diffractive optical element according to a second embodiment of the present invention;
fig. 5 is a schematic structural diagram of a second filter set according to a second embodiment of the present invention.
Detailed Description
For purposes of promoting a clear understanding of the objects, aspects and advantages of the invention, reference will now be made in detail to the present embodiments of the invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements throughout. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Referring to fig. 1, fig. 2 and fig. 3, fig. 1 is a first structural schematic diagram of a wavelength division multiplexing optical communication device according to a first embodiment of the present invention, fig. 2 is a structural schematic diagram of a receiving port according to the first embodiment of the present invention, and fig. 3 is a second structural schematic diagram of the wavelength division multiplexing optical communication device according to the first embodiment of the present invention.
As shown in fig. 1, fig. 2 and fig. 3, the wavelength division multiplexing optical communication device according to the first embodiment of the present invention includes a diffractive optical element 1, a regulating element (not shown), a receiving port 2, a plurality of optical lenses 3 and a plurality of filters 4 with different wavelengths, wherein, a plurality of mounting holes 5 are arranged on the diffraction light component 1 at intervals, the optical lens 3 is arranged in the mounting holes 5, the adjusting component is positioned in the diffraction light component 1 and is rotationally connected with the diffraction light component 1, a plurality of filters 4 are obliquely arranged on the adjusting component, each filter 4 is disposed at a position corresponding to the optical lens 3 to block the light incident through the optical lens 3, the receiving opening 2 is disposed at one end of the diffractive optical element 1, and is positioned on the emergent light path of the diffraction light component 1, the light incident through the plurality of optical lenses 3 can be respectively reflected by the plurality of filters 4 and then converged to the receiving port 2, and the adjusting component is used for driving the plurality of filter plates 4 to synchronously rotate relative to the diffraction light component 1 by an angle within a preset range.
Specifically, in the actual working process, after being collimated by the plurality of optical lenses 3, the plurality of lights with different wavelengths are irradiated onto the plurality of filters 4 correspondingly, and then the plurality of filters 4 reflect the plurality of lights with different wavelengths into parallel lights to reach the receiving port 2 to be converged into a beam of light, so as to realize the synthesis of wavelength division multiplexing, and in the process, the filters 4 can synchronously rotate relative to the diffractive optical element 1 by the angle within the preset range through the adjusting element.
Specifically, the wavelength division multiplexing optical communication device provided in this embodiment may be applied to both short wavelength division multiplexing and coarse wavelength division multiplexing.
In other embodiments, the light with different wavelengths and concentrated on one optical fiber is collimated by the receiving port 2, and then sequentially irradiated onto the plurality of filters 4, and then correspondingly reflected by the plurality of filters 4 onto the plurality of optical lenses 3, so as to implement wavelength division multiplexing demultiplexing.
It should be noted that, in other embodiments, the plurality of filters 4 are disposed between the plurality of optical lenses 3 and the receiving port 2, so that the wavelength division multiplexing synthesis and decomposition are not only performed individually, that is, in the plurality of optical lenses 3, a part of the optical lenses 3 can be used as light with different wavelengths in the wavelength division multiplexing synthesis to enter the diffractive optical element 1, and another part of the optical lenses 3 can be used as light with different wavelengths in the wavelength division multiplexing decomposition to exit the diffractive optical element 1, and the receiving port 2 can also be correspondingly disposed in a plurality.
In a wavelength division multiplexing optical communication apparatus according to a first embodiment of the present invention, in a first aspect, a plurality of lights with different wavelengths are collimated by a plurality of optical lenses, and then are irradiated onto a plurality of filter sheets, and then the plurality of filter sheets reflect the plurality of lights with different wavelengths into parallel lights, and the parallel lights reach a receiving port and are converged into a beam of light. In the process, the plurality of filters can synchronously rotate the angle within the preset range relative to the diffractive light assembly through the adjusting assembly, so that the angle of the surfaces, provided with the mounting holes, of the plurality of filters and the diffractive light assembly can be adjusted in real time through synchronously rotating the plurality of filters relative to the diffractive light assembly, and the purpose of adjusting the output light power in real time is achieved. In a second aspect, among the plurality of optical lenses, a part of the optical lenses can be used as light with different wavelengths entering the diffractive optical element during wavelength division multiplexing synthesis, while another part of the optical lenses can be used as light with different wavelengths exiting the diffractive optical element during wavelength division multiplexing decomposition, and a plurality of receiving ports can be correspondingly arranged, so that the optical communication device can adapt to various working conditions, and the application scenarios of the optical communication device are increased.
Referring to fig. 4 and 5, fig. 4 is a schematic structural diagram of a diffractive optical element according to a second embodiment of the present invention, and fig. 5 is a schematic structural diagram of a second filter set according to the second embodiment of the present invention.
Based on the wavelength division multiplexing optical communication apparatus provided in the first embodiment of the present invention, in the second embodiment of the present invention:
further, as shown in fig. 4, the adjusting assembly includes a plurality of rotating shafts (not shown), a plurality of placing slots 6 are provided in the diffractive optical element 1, the placing slots 6 are located at two sides of the mounting holes 5, and the rotating shafts are erected in any two opposite placing slots 6 and rotatably connected to the diffractive optical element 1.
Specifically, in the process that the rotating shaft drives the filter plates 4 to rotate forwards or backwards, the filter plates 4 can be respectively abutted against the placing grooves 6.
Alternatively, in other embodiments, the filter 4 may be disposed on a rotating shaft, and the rotating shaft is directly rotatably connected to the diffractive optical element 1 in the diffractive optical element 1, i.e. the placing groove 6 is not limited to be an intermediate carrier.
Further, as shown in fig. 4, the wavelength division multiplexing optical communication device provided in this embodiment further includes a display 7, a control component 8, a driving component 9, and at least one sensor (not shown in the figure), wherein the sensor is disposed on an exit light path of the diffractive optical component 1, the display 7, the control component 8, and the driving component 9 are disposed on an outer wall of the diffractive optical component 1, the sensor is electrically connected to the display 7 and the control component 8, the control component 8 is electrically connected to the display 7 and the driving component 9, and the driving component 9 drives a rotation shaft connected between the filter 4 and the placement groove 6.
Further, the driving component 9 is a servo motor, and the display screen 7 is a touch display screen.
Specifically, in the actual working process, the preset value of the output optical power of the wavelength division multiplexing optical communication device is set through the touch display screen 7 and is sent to the control component 8, the sensor obtains and sends the actual value of the output optical power to the control component 8 and the touch display screen 7, the touch display screen 7 displays the actual value of the current output optical power of the wavelength division multiplexing optical communication device in real time, the control component 8 controls the driving component 9 to drive the rotating shaft between the filter 4 and the placing groove 6 to rotate according to the actual value of the output optical power and the preset value of the output optical power, so that the plurality of filters 4 synchronously rotate relative to the diffractive optical component 1 to adjust the size of the output optical power until the actual value of the output optical power is equal to the preset value of the output optical power.
It should be understood that, when the control component 8 controls the driving component 9 to drive the rotating shaft to rotate, the included angle between the filter 4 and the surface of the diffractive light component 1, on which the mounting hole 5 is formed, is adjustable between 30 ° and 60 °.
Optionally, in other embodiments, the display 7 may not adopt a touch display, and a plurality of keys (not shown in the figure) may be disposed on the diffractive optical element 1 and electrically connected to the display 7, at this time, the keys need to be pressed to set a preset value of the output optical power of the wavelength division multiplexing optical communication device.
Further, as shown in fig. 5, the plurality of filter segments 4 form a first filter segment group (not shown in the figure), and the wavelength division multiplexing optical communication device provided in this embodiment further includes a plurality of second filter segment groups 10, where any second filter segment group 10 includes filter segments with the same number as that of the first filter segment group, and different wavelengths exist between the filter segments in any second filter segment group 10 and the filter segments in the first filter segment group.
Furthermore, the filter in the first filter plate group and the filter in any second filter plate group 10 are both detachably connected to the rotating shaft.
Specifically, in the actual working process, the first filter plate set composed of the plurality of filter plates 4 can be replaced from the diffractive optical element 1 according to the specific application scenario of the wavelength division multiplexing optical communication device and the wavelength of the filter plate in the second filter plate set 10.
Further, the interval between any two filter segments 4 is 1 mm.
Optionally, in other embodiments, the interval between any two filter segments 4 is not limited to 1mm, and the interval between any two filter segments 4 may be adjusted according to the actual use condition.
In this embodiment, the filter 4 is a dichroic mirror filter.
Optionally, in other embodiments, the filter 4 may be any one of a long-wavelength pass filter, a short-wavelength pass filter, a cut-off filter, and the like.
In this embodiment, the receiving port 2 is an L C standard single mode fiber interface.
Alternatively, in other embodiments, the receiving port 2 may be any one of standard single mode fiber interfaces, such as FC, SC, ST, etc.
Further, the wavelength division multiplexing optical communication device provided in this embodiment further includes a plurality of lasers (not shown in the figure) for emitting different wavelengths, and the plurality of lasers are located on a side of the optical lens 3 away from the filter 4 and are respectively disposed corresponding to the plurality of optical lenses 3 to respectively emit light to the plurality of optical lenses 3.
Specifically, in the actual working process, first, a plurality of lasers respectively emit light with different wavelengths; secondly, after being collimated by a plurality of optical lenses 3, a plurality of lights with different wavelengths respectively irradiate a plurality of filters 4 in sequence; finally, the lights with different wavelengths are reflected into parallel lights by the filters 4 and then reach the receiving port 2 to be converged into a beam of light.
In the present embodiment, the laser is VCSE L.
In the wavelength division multiplexing optical communication device provided in the second embodiment of the present invention, the mutual cooperation between the rotating shaft, the sensor, the display screen, the control module and the driving module between the filter and the placement groove is used, so that the wavelength division multiplexing optical communication device realizes intelligent and automatic adjustment of the magnitude of output optical power, in the second aspect, the filter is detachably disposed on the rotating shaft, and the filter is conveniently cleaned and replaced, in the third aspect, a plurality of second filter sets are disposed in addition to the first filter set, at this time, according to the specific application scenario of the wavelength division multiplexing optical communication device, according to the wavelength of the filter in the second filter set, the first filter set composed of a plurality of filters is replaced from the diffractive optical component, so that the application range of the wavelength division multiplexing optical communication device is enlarged, in the fourth aspect, the interval between any two filters is 1mm, so that the wavelength division multiplexing optical communication device can realize wavelength division multiplexing of a plurality of wavelengths in a very small range, greatly reduce the size of the wavelength division multiplexing optical communication device, improve the wavelength transmission density of the fifth optical transmission device, and provide different wavelength division multiplexing optical paths for the optical fiber communication devices, and avoid the problem that the filter can be used for the rotation of the optical fiber-wavelength division multiplexing optical communication device, and the optical fiber-emission of the optical fiber-emission optical communication device, and the fiber-emission.
It should be noted that, in the summary of the present invention, each embodiment is described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments may be referred to each other.
It is further noted that, in the present disclosure, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present disclosure. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined in this disclosure may be applied to other embodiments without departing from the spirit or scope of the disclosure. Thus, the present disclosure is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A wavelength division multiplexing optical communication apparatus, comprising: diffraction light subassembly, adjusting part, acceptance opening, a plurality of optical lens and have a plurality of filters of different wavelength, the last spaced apart of diffraction light subassembly is equipped with a plurality of mounting holes, optical lens sets up in the mounting hole, adjusting part is located diffraction light subassembly and rotates with diffraction light subassembly and be connected, and is a plurality of on the adjusting part is located in the filter slope, and the position setting that each filter corresponds optical lens is in order to shelter from the light of inciting via optical lens, diffraction light subassembly one end is located to the acceptance opening, and is located diffraction light subassembly's emergent light path, and is a plurality of the light of optical lens incidences can be assembled to the acceptance opening after reflecting by a plurality of filters respectively, just adjusting part is used for driving a plurality of filters for the angle of diffraction light subassembly synchronous rotation preset range.
2. The wavelength division multiplexed optical communication device of claim 1 wherein: the adjusting assembly comprises a plurality of rotating shafts, a plurality of placing grooves are formed in the diffractive light assembly and are positioned on two sides of the mounting holes, and the rotating shafts are erected in any two opposite placing grooves and are connected with the diffractive light assembly in a rotating mode.
3. The wavelength division multiplexed optical communication device of claim 2 further comprising: the display screen, the control assembly, the driving assembly and at least one sensor are arranged on an emergent light path of the diffractive light assembly, the display screen, the control assembly and the driving assembly are arranged on the outer wall of the diffractive light assembly, the sensor is respectively electrically connected with the display screen and the control assembly, the control assembly is respectively electrically connected with the display screen and the driving assembly, the driving assembly is connected to the rotating shaft in a driving mode, the sensor is used for acquiring and sending output optical power data to the control assembly and the display screen, and the control assembly is used for controlling the driving assembly to drive the rotating shaft to rotate so that the plurality of filter plates synchronously rotate relative to the diffractive light assembly.
4. The wavelength division multiplexed optical communication device of claim 3 wherein: the driving component is a servo motor, and the display screen is a touch display screen.
5. The wavelength division multiplexing optical communication device according to claim 2 wherein a plurality of the filters constitute a first filter group, and the wavelength division multiplexing optical communication device further comprises: and the second filter plate group comprises the same number of filter plates as the first filter plate group, and different wavelengths are arranged between the filter plates in the second filter plate group and the filter plates in the first filter plate group.
6. The wavelength division multiplexed optical communication device of claim 5 wherein: the filter in the first filter plate group and the filter in any second filter plate group are detachably connected with the rotating shaft.
7. The wavelength division multiplexed optical communication device of claim 1 wherein: the interval between any two filter plates is 1 mm.
8. The wavelength division multiplexed optical communication device of claim 1 wherein: the filter is any one of a dichroic mirror filter, a long-wave pass filter, a short-wave pass filter and a cut-off filter.
9. The wavelength division multiplexing optical communication device according to claim 1 wherein the receiving port is any one of L C, FC, SC and ST standard single mode fiber interfaces.
10. The wavelength division multiplexed optical communication device of claim 1 further comprising: the laser instrument that a plurality of different wavelength of emission are used for, and is a plurality of the laser instrument is located optical lens and keeps away from filter one side, and corresponds a plurality of optical lens setting respectively in order to emit the light to a plurality of optical lens respectively.
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| CN202010419779.6A CN111443432A (en) | 2020-05-18 | 2020-05-18 | Wavelength division multiplexing optical communication device |
| PCT/CN2020/138231 WO2021232779A1 (en) | 2020-05-18 | 2020-12-22 | Wavelength division multiplexing optical communication device |
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| CN202010419779.6A CN111443432A (en) | 2020-05-18 | 2020-05-18 | Wavelength division multiplexing optical communication device |
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Cited By (1)
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| WO2021232779A1 (en) * | 2020-05-18 | 2021-11-25 | 深圳市埃尔法光电科技有限公司 | Wavelength division multiplexing optical communication device |
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- 2020-05-18 CN CN202010419779.6A patent/CN111443432A/en active Pending
- 2020-12-22 WO PCT/CN2020/138231 patent/WO2021232779A1/en active Application Filing
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| JP2005140960A (en) * | 2003-11-06 | 2005-06-02 | Fujikura Ltd | Optical device |
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| CN104597575A (en) * | 2014-12-25 | 2015-05-06 | 武汉电信器件有限公司 | Multi-wavelength multiplexing/demultiplexing parallel light receiving/emitting component |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2021232779A1 (en) * | 2020-05-18 | 2021-11-25 | 深圳市埃尔法光电科技有限公司 | Wavelength division multiplexing optical communication device |
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