CN207352220U - The double-fiber four-way optical device of RFoG functions can be achieved - Google Patents

The double-fiber four-way optical device of RFoG functions can be achieved Download PDF

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Publication number
CN207352220U
CN207352220U CN201721523563.4U CN201721523563U CN207352220U CN 207352220 U CN207352220 U CN 207352220U CN 201721523563 U CN201721523563 U CN 201721523563U CN 207352220 U CN207352220 U CN 207352220U
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light beam
filter plate
optical device
optical
lens subassembly
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刘洪彬
曾雪飞
王勇
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Chengdu Tsuhan Science And Technology Co Ltd
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Chengdu Tsuhan Science And Technology Co Ltd
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Abstract

The utility model discloses the double-fiber four-way optical device of achievable RFoG functions, including laser emitting module, optical assembly, Interleave muiltiplexing component element, the first lens subassembly, the second lens subassembly, the first optical fiber interface component, the second optical fiber interface component are received, the Interleave muiltiplexing component element includes two or more filter plate.Wavelength-division multiplex function is integrated in optical device using double optical fiber interfaces, has the characteristics that small integrated level is high, and simple and convenient cost is lower, has practical feasibility by the utility model.

Description

The double-fiber four-way optical device of RFoG functions can be achieved
Technical field
It the utility model is related to technical field of photo communication, more particularly to a kind of double-fiber four-way light device of achievable RFoG functions Part.
Background technology
In triple play technology transformation, it is desirable to be able to while offer includes the comprehensive multimedias such as voice, data, image Communication service., it is necessary to be realized using wavelength division multiplex device and optical device at traditional integration of three networks network insertion optical node The transmission fusion of optical signal.And RFoG (RF over Glass) technology refers to the cable television using radio frequency transmission as basic business Fiber optic network, is a kind of HFC (Hybrid Fiber-Coaxial) access net solutions, can make newly-increased passive optical network Can be compatible with present hfc plant and headend equipment, user can both watch TV, can also open at the same time video on demand with And the business such as online.Wired RFoG optical nodes export cable TV signal, and optical device exports broadband signal, this just needs one External wavelength division multiplexer carries out the fusion of signal, can so bring the complexity of system structure, at least need linear light node, Three optical device, wavelength division multiplexer autonomous devices, and not only systems bulky, integrated level are low for such occupation mode, but also Extremely inconvenient, cost is also high.Therefore need to design a kind of can be achieved for built-in more convenient and quicker for being integrated with wavelength-division multiplex function The optical device of RFoG functions is to solve the above problems.
Utility model content
Technical problem to be solved in the utility model is external wavelength division multiplexer to carry out the fusion of signal, so can band Carry out the complexity of system structure, at least need three linear light node, optical device, wavelength division multiplexer autonomous devices, not only system It is bulky, integrated level is low, and extremely inconvenient, cost is also high, and it is an object of the present invention to provide a kind of double-fiber of achievable RFoG functions Four-way optical device, solves the above problems.
The utility model is achieved through the following technical solutions:
The double-fiber four-way optical device of RFoG functions, including laser emitting module, reception optical assembly, wavelength-division multiplex can be achieved Component, the first lens subassembly, the second lens subassembly, the first optical fiber interface component, the second optical fiber interface component, the wavelength-division multiplex Component includes two or more filter plate;
Broadband network optical signal and cable television optical signal enter in the Interleave muiltiplexing component element built in device from different directions When, optical signal can be split by filter plate according to its filtering characteristic, or transmission or reflection, its final result are different ripples Long enter in each specific passage goes and realizes its function, so as to reach the transmission fusion multiplexing purpose of signal.
The wavelength that laser emitting module is sent is λ1Light beam λ1, light beam λ1For collimated light beam, light beam λ1Answered by wavelength-division After component, the first lens subassembly is reached, is changed into convergent beam, the convergent beam enters the first optical fiber interface component, so It is transmitted by the optical fiber of level later, realizes laser emitting module digital signal fiber coupling;
Wavelength from the passback of the first optical fiber interface component is λ2Light beam λ2, light beam λ2For divergent beams, the first lens are reached It is collimated after component and becomes collimated light beam, the collimated light beam reaches after Interleave muiltiplexing component element receives optical assembly, then It is coupled into and receives optical assembly and be converted into electric signal, then the link realizes light beam λ2Passback coupling;
The wavelength entered from the first optical fiber interface component is λ3Light beam λ3, after the first lens subassembly, light beam λ3It is accurate Directly, after Interleave muiltiplexing component element, converged after reaching the second lens subassembly and incided the second optical fiber and connect by the second lens subassembly On mouth component, then it is transmitted via rear class optical fiber;
It is λ from the wavelength of the second optical fiber interface component incidence4Light beam λ4, it is collimated into after the second lens subassembly flat Row light beam, then incides the first lens subassembly after Interleave muiltiplexing component element, then is coupled into after being converged by the first lens subassembly In first optical fiber interface component, rear class optical fiber transmission is then carried out.
Further, metal shell is further included, the laser emitting module and reception optical assembly are arranged on the metal The same side of housing, and be parallel to each other.
Further, the Interleave muiltiplexing component element includes the first filter plate, the second filter plate, the 3rd optical device and the 4th light Device;
The light beam λ1Into after Interleave muiltiplexing component element, transmitted by the first filter plate, then reach the first lens subassembly, so After enter the first optical fiber interface component;
The light beam λ2Into after Interleave muiltiplexing component element, the first filter plate is incided after being transmitted by the second filter plate, first Filter plate makes beam orthogonal down reflect, and the first filter plate is to light beam λ1Transmission and to light beam λ2Reflection, realizes digital signal end Closing light function is divided, by the light beam λ after the first filter plate vertically reflection2It is again incident on the 4th optical device, the 4th optical device pair Light beam λ2Reached after being reflected again and receive optical assembly;
The light beam λ3Into after Interleave muiltiplexing component element, reflected by the second filter plate, light beam λ3Vertically down passed after being reflected It is defeated, the 3rd optical device is then reached, the 3rd optical device is by light beam λ3The second lens subassembly is reflexed to, is converged by the second lens subassembly And incide on the second optical fiber interface component;
The light beam λ4Into after Interleave muiltiplexing component element, vertically the second filtering is up incided after being reflected by the 3rd optical device Piece, becomes horizontal light beam after being reflected again by the second filter plate, which incides in the first lens subassembly, then by first It is coupled into after lens subassembly convergence in the first optical fiber interface component.
Further, first filter plate and the second filter plate are 45 ° of filter plates, the 3rd optical device and the 4th Optical device is 45 ° of filter plates or total reflection mirror.
Further, the laser emitting module and reception optical assembly are mutually perpendicular to.
Further, the Interleave muiltiplexing component element includes the first filter plate, the second filter plate and the 3rd optical device;
The light beam λ1Into after Interleave muiltiplexing component element, transmitted by the first filter plate, then reach the first lens subassembly;
The light beam λ2Into after Interleave muiltiplexing component element, the first filter plate is incided after being transmitted by the second filter plate, first Filter plate makes beam orthogonal up reflect, and the first filter plate is to light beam λ1Transmission and to light beam λ2Reflection, realizes digital signal end Closing light function is divided, by the light beam λ after the first filter plate vertically reflection2Reach and receive optical assembly;
The light beam λ3Into after Interleave muiltiplexing component element, reflected by the second filter plate, light beam λ3Vertically down passed after being reflected It is defeated, the 3rd optical device is then reached, the 3rd optical device is by light beam λ3Reflex to the second lens subassembly;
The light beam λ4Into after Interleave muiltiplexing component element, vertically the second filtering is up incided after being reflected by the 3rd optical device Piece, becomes horizontal light beam after being reflected again by the second filter plate, which incides in the first lens subassembly, then by first It is coupled into after lens subassembly convergence in the first optical fiber interface component.
Further, the light beam λ1With light beam λ2For network digital optical signal.
Further, the light beam λ3With light beam λ4For cable television analog optical signal.
Further, the laser emitting module and reception optical assembly are broad band network application component, its wavelength meets Broad band network application wavelength.
Further, first lens subassembly and the second lens subassembly are collimation lens.
The utility model compared with prior art, has the following advantages and advantages:
The utility model can realize the double-fiber four-way optical device of RFoG functions, using double optical fiber interfaces, by wavelength-division multiplex work( It can be integrated in optical device, have the characteristics that small integrated level is high, and simple and convenient cost is lower, has conscientiously feasible Property.
Brief description of the drawings
Attached drawing described herein is used for providing further understanding the utility model embodiment, forms the one of the application Part, does not form the restriction to the utility model embodiment.In the accompanying drawings:
Fig. 1 is 1 schematic diagram of the utility model embodiment;
Fig. 2 is 2 schematic diagram of the utility model embodiment.
Mark and corresponding parts title in attached drawing:
1- metal shells, 11- laser emitting modules, 12- reception optical assemblies, 13- Interleave muiltiplexing component elements, 14- first are saturating Mirror assembly, the second lens subassemblies of 15-, the first optical fiber interface components of 16-, the second optical fiber interface components of 17-, 131- first are filtered Piece, the second filter plates of 132-, the 3rd optical devices of 133-, the 4th optical devices of 134-.
Embodiment
For the purpose of this utility model, technical solution and advantage is more clearly understood, with reference to embodiment and attached drawing, The utility model is described in further detail, and the exemplary embodiment and its explanation of the utility model are only used for explaining this Utility model, is not intended to limit the scope of the present invention.
Embodiment 1
As shown in Figure 1, it can be achieved that the double-fiber four-way optical device of RFoG functions, including laser emitting module 11, receive light Component 12, Interleave muiltiplexing component element 13, the first lens subassembly 14, the second lens subassembly 15, the first optical fiber interface component 16, the second light Fine interface module 17, Interleave muiltiplexing component element 13 include two or more filter plate;
Broadband network optical signal and cable television optical signal enter in the Interleave muiltiplexing component element built in device from different directions When, optical signal can be split by filter plate according to its filtering characteristic, or transmission or reflection, its final result are different ripples Long enter in each specific passage goes and realizes its function, so as to reach the transmission fusion multiplexing purpose of signal.
The double-fiber four-way optical device of RFoG functions can be achieved, further include metal shell 1, laser emitting module 11 and reception Optical assembly 12 is arranged on the same side of metal shell 1, and is parallel to each other, and Interleave muiltiplexing component element 13 includes the first filter plate 131, the Two filter plates 132, the 3rd optical device 133 and the 4th optical device 134;
The wavelength that laser emitting module 11 is sent is λ1Light beam λ1, light beam λ1For collimated light beam, light beam λ1By wavelength-division After multiplexing assembly 13, transmitted by the first filter plate 131, then reach the first lens subassembly 14, be changed into convergent beam, convergent beam The first optical fiber interface component 16 is entered, is then transmitted by the optical fiber of rear class, realizes the numeral of laser emitting module 11 Signal optical fibre couples;
Wavelength from the passback of the first optical fiber interface component 16 is λ2Light beam λ2, light beam λ2For divergent beams, it is saturating to reach first It is collimated after mirror assembly 14 and becomes collimated light beam, collimated light beam is saturating by the second filter plate 132 after Interleave muiltiplexing component element 13 The first filter plate 131 is incided after penetrating, the first filter plate 131 makes beam orthogonal down reflect, and the first filter plate 131 is to light beam λ1 Transmission and to light beam λ2Reflection, realizes the light splitting closing light function of digital signal end, by the light after the first filter plate 131 vertically reflection Beam λ2It is again incident on the 4th optical device 134, the 4th optical device 134 is to light beam λ2Reached after being reflected again and receive optical assembly 12, then it is coupled into and receives optical assembly 12 and be converted into electric signal, that is, receives the photodiode in optical assembly 12 by light beam λ2Electric signal is converted into, then the link realizes light beam λ2Passback coupling;
The wavelength entered from the first optical fiber interface component 16 is λ3Light beam λ3, after the first lens subassembly 14, light beam λ3 It is collimated, after Interleave muiltiplexing component element 13, reflected by the second filter plate 132, light beam λ3Vertically down transmitted after being reflected, so The 3rd optical device 133 is reached afterwards, and the 3rd optical device 133 is by light beam λ3The second lens subassembly 15 is reflexed to, by the second lens subassembly 15 converge and incide on the second optical fiber interface component 17, are then transmitted via rear class optical fiber;
The wavelength incident from the second optical fiber interface component 17 is λ4Light beam λ4, light beam λ4Optical channel link just and light Beam λ3Reversely, light beam λ4Collimated light beam is collimated into after the second lens subassembly 15, then after Interleave muiltiplexing component element 13, Vertically up incide the second filter plate 132 after being reflected by the 3rd optical device 133, after being reflected again by the second filter plate 132 into For horizontal light beam, which incides in the first lens subassembly 14, then is coupled into after being converged by the first lens subassembly 14 In one optical fiber interface component 16, rear class optical fiber transmission is then carried out.
The first filter plate 131 and the second filter plate 132 in embodiment 1 are 45 ° of filter plates, 133 He of the 3rd optical device 4th optical device 134 is 45 ° of filter plates or total reflection mirror.
First filter plate 131 is by light beam λ1With light beam λ2Separated, the light splitting closing light function embodiment of the second filter plate 132 is being incited somebody to action Light beam λ1With light beam λ2Transmitted, and to light beam λ3With light beam λ4Reflected, realize broadband network signal and cable television The fusion of signal, using 45 ° of filter plates, can save space, reduce device volume.
Metal shell 1 by laser emitting module 11, receive optical assembly 12, Interleave muiltiplexing component element 13, the first lens subassembly 14th, the second lens subassembly 15 and the first optical fiber interface component 16, the second optical fiber interface component 17 are fixed as one structure, can be with It is dust-proof to be sealed against water.
Embodiment 2
As shown in Figure 2, it can be achieved that the double-fiber four-way optical device of RFoG functions, is, laser with the difference of embodiment 1 Device emitting module 11 and reception optical assembly 12 are mutually perpendicular to, and Interleave muiltiplexing component element 13 includes the first filter plate 131, the second filter plate 132 and the 3rd optical device 133;
The wavelength that laser emitting module 11 is sent is λ1Light beam λ1, light beam λ1For collimated light beam, light beam λ1By wavelength-division After multiplexing assembly 13, transmitted by the first filter plate 131, then reach the first lens subassembly 14, be changed into convergent beam, convergent beam The first optical fiber interface component 16 is entered, is then transmitted by the optical fiber of rear class, realizes the numeral of laser emitting module 11 Signal optical fibre couples;
Wavelength from the passback of the first optical fiber interface component 16 is λ2Light beam λ2, light beam λ2For divergent beams, it is saturating to reach first It is collimated after mirror assembly 14 and becomes collimated light beam, collimated light beam is saturating by the second filter plate 132 after Interleave muiltiplexing component element 13 The first filter plate 131 is incided after penetrating, the first filter plate 131 makes beam orthogonal up reflect, and the first filter plate 131 is to light beam λ1 Transmission and to light beam λ2Reflection, realizes the light splitting closing light function of digital signal end, by the light after the first filter plate 131 vertically reflection Beam λ2Reach and receive optical assembly 12, receive the photodiode in optical assembly 12 by light beam λ2Electric signal is converted into, then the link is real Light beam λ is showed2Passback coupling;
The wavelength entered from the first optical fiber interface component 16 is λ3Light beam λ3, after the first lens subassembly 14, light beam λ3 It is collimated, after Interleave muiltiplexing component element 13, reflected by the second filter plate 132, light beam λ3Vertically down transmitted after being reflected, so The 3rd optical device 133 is reached afterwards, and the 3rd optical device 133 is by light beam λ3The second lens subassembly 15 is reflexed to, by the second lens subassembly 15 converge and incide on the second optical fiber interface component 17, are then transmitted via rear class optical fiber;
The wavelength incident from the second optical fiber interface component 17 is λ4Light beam λ4, light beam λ4Optical channel link just and light Beam λ3Reversely, light beam λ4Collimated light beam is collimated into after the second lens subassembly 15, then after Interleave muiltiplexing component element 13, Vertically up incide the second filter plate 132 after being reflected by the 3rd optical device 133, after being reflected again by the second filter plate 132 into For horizontal light beam, which incides in the first lens subassembly 14, then is coupled into after being converged by the first lens subassembly 14 In one optical fiber interface component 16, rear class optical fiber transmission is then carried out.
The first filter plate 131 and the second filter plate 132 in embodiment 2 are 45 ° of filter plates, and the 3rd optical device 133 is 45 ° of filter plates or total reflection mirror.
Compared to embodiment 1, the reception optical assembly 12 in embodiment 2 has carried out 90 ° of rotations and has placed, and laser transmitting group Part 11 is mutually perpendicular to, and eliminates the 4th optical device 134, and structure more compact, lower section can also be changed to by receiving optical assembly 12, The first filter plate 131 can be saved.
In embodiment 1 and embodiment 2, light beam λ1With light beam λ2For network digital optical signal, light beam λ3With light beam λ4To be wired TV analog optical signal, laser emitting module 11 and reception optical assembly 12 are broad band network application component, its wavelength meets width Band network application wavelength, the first lens subassembly 14 and the second lens subassembly 15 are collimation lens.
Embodiment above, has carried out the purpose of this utility model, technical solution and beneficial effect further Describe in detail, it should be understood that the above is only the specific embodiments of the utility model, be not used to limit this practicality New protection domain, where within the spirit and principles of the present invention, any modification, equivalent substitution, improvement and etc. done, It should be included within the scope of protection of this utility model.

Claims (10)

1. it can realize the double-fiber four-way optical device of RFoG functions, it is characterised in that:Including laser emitting module (11), receive light Component (12), Interleave muiltiplexing component element (13), the first lens subassembly (14), the second lens subassembly (15), the first optical fiber interface component (16), the second optical fiber interface component (17), the Interleave muiltiplexing component element (13) include two or more filter plate;
The wavelength that laser emitting module (11) is sent is λ1Light beam λ1, light beam λ1For collimated light beam, light beam λ1Answered by wavelength-division After component (13), the first lens subassembly (14) is reached, is changed into convergent beam, the convergent beam enters the first optical fiber interface Component (16), is then transmitted by the optical fiber of rear class, realizes laser emitting module (11) digital signal fiber coupling;
Wavelength from the first optical fiber interface component (16) passback is λ2Light beam λ2, light beam λ2For divergent beams, the first lens are reached Component (14) is collimated and becomes collimated light beam afterwards, and the collimated light beam reaches after Interleave muiltiplexing component element (13) receives light group Part (12), is then coupled into and receives optical assembly (12) and be converted into electric signal, realize light beam λ2Passback coupling;
The wavelength entered from the first optical fiber interface component (16) is λ3Light beam λ3, after the first lens subassembly (14), light beam λ3 It is collimated, after Interleave muiltiplexing component element (13), reach after the second lens subassembly (15) by the second lens subassembly (15) convergence and Incide on the second optical fiber interface component (17), be then transmitted via rear class optical fiber;
Wavelength from the second optical fiber interface component (17) incidence is λ4Light beam λ4, it is collimated after the second lens subassembly (15) For collimated light beam, the first lens subassembly (14) is then incided after Interleave muiltiplexing component element (13), then by the first lens subassembly (14) it is coupled into after converging in the first optical fiber interface component (16), then carries out rear class optical fiber transmission.
2. the double-fiber four-way optical device of achievable RFoG functions according to claim 1, it is characterised in that further include metal Housing (1), the laser emitting module (11) and reception optical assembly (12) are arranged on the same side of the metal shell (1), And it is parallel to each other.
3. the double-fiber four-way optical device of achievable RFoG functions according to claim 2, it is characterised in that the wavelength-division is answered Include the first filter plate (131), the second filter plate (132), the 3rd optical device (133) and the 4th optical device with component (13) (134);
The light beam λ1Into after Interleave muiltiplexing component element (13), transmitted by the first filter plate (131), then reach the first lens group Part (14), then into the first optical fiber interface component (16);
The light beam λ2Into after Interleave muiltiplexing component element (13), the first filter plate is incided after being transmitted by the second filter plate (132) (131), the first filter plate (131) makes beam orthogonal down reflect, and the first filter plate (131) is to light beam λ1Transmission and to light beam λ2 Reflection, realizes the light splitting closing light function of digital signal end, by the light beam λ after the first filter plate (131) vertically reflection2It is again incident on On 4th optical device (134), the 4th optical device (134) is to light beam λ2Reached after being reflected again and receive optical assembly (12);
The light beam λ3Into after Interleave muiltiplexing component element (13), reflected by the second filter plate (132), light beam λ3It is vertical after being reflected Down transmit, then reach the 3rd optical device (133), the 3rd optical device (133) is by light beam λ3Reflex to the second lens subassembly (15), converged and incided on the second optical fiber interface component (17) by the second lens subassembly (15);
The light beam λ4Into after Interleave muiltiplexing component element (13), vertically second is up incided after being reflected by the 3rd optical device (133) Filter plate (132), becomes horizontal light beam after being reflected again by the second filter plate (132), is then incident on the first lens subassembly (14) in, then it is coupled into after being converged by the first lens subassembly (14) in the first optical fiber interface component (16).
4. the double-fiber four-way optical device of achievable RFoG functions according to claim 3, it is characterised in that first filter Wave plate (131) and the second filter plate (132) are 45 ° of filter plates, the 3rd optical device (133) and the 4th optical device (134) It is 45 ° of filter plates or total reflection mirror.
5. the double-fiber four-way optical device of achievable RFoG functions according to claim 1, it is characterised in that the laser Emitting module (11) and reception optical assembly (12) are mutually perpendicular to.
6. the double-fiber four-way optical device of achievable RFoG functions according to claim 5, it is characterised in that the wavelength-division is answered Include the first filter plate (131), the second filter plate (132) and the 3rd optical device (133) with component (13);
The light beam λ1Into after Interleave muiltiplexing component element (13), transmitted by the first filter plate (131), then reach the first lens group Part (14);
The light beam λ2Into after Interleave muiltiplexing component element (13), the first filter plate is incided after being transmitted by the second filter plate (132) (131), the first filter plate (131) makes beam orthogonal up reflect, and the first filter plate (131) is to light beam λ1Transmission and to light beam λ2 Reflection, realizes the light splitting closing light function of digital signal end, by the light beam λ after the first filter plate (131) vertically reflection2Reach and receive Optical assembly (12);
The light beam λ3Into after Interleave muiltiplexing component element (13), reflected by the second filter plate (132), light beam λ3It is vertical after being reflected Down transmit, then reach the 3rd optical device (133), the 3rd optical device (133) is by light beam λ3Reflex to the second lens subassembly (15);
The light beam λ4Into after Interleave muiltiplexing component element (13), vertically second is up incided after being reflected by the 3rd optical device (133) Filter plate (132), becomes horizontal light beam after being reflected again by the second filter plate (132), is then incident on the first lens subassembly (14) in, then it is coupled into after being converged by the first lens subassembly (14) in the first optical fiber interface component (16).
7. the double-fiber four-way optical device of the achievable RFoG functions according to any one in claim 1~6, its feature exist In the light beam λ1With light beam λ2For network digital optical signal.
8. the double-fiber four-way optical device of the achievable RFoG functions according to any one in claim 1~6, its feature exist In the light beam λ3With light beam λ4For cable television analog optical signal.
9. the double-fiber four-way optical device of the achievable RFoG functions according to any one in claim 1~6, its feature exist In the laser emitting module (11) and reception optical assembly (12) are broad band network application component, its wavelength meets broadband networks Network application wavelength.
10. the double-fiber four-way optical device of the achievable RFoG functions according to any one in claim 1~6, its feature It is, first lens subassembly (14) and the second lens subassembly (15) are collimation lens.
CN201721523563.4U 2017-11-15 2017-11-15 The double-fiber four-way optical device of RFoG functions can be achieved Active CN207352220U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109917523A (en) * 2019-04-30 2019-06-21 武汉兴思为光电科技有限公司 A kind of wavelength interval is less than the 50G simplex optical module of 20nm
CN110780451A (en) * 2019-11-14 2020-02-11 成都优博创通信技术股份有限公司 Laser assembly and optical communication equipment
WO2020108561A1 (en) * 2018-11-28 2020-06-04 青岛海信宽带多媒体技术有限公司 Video receiving optical module and optical network unit
CN115437084A (en) * 2022-10-25 2022-12-06 上海三菲半导体有限公司 One-to-one and one-to-many radio frequency transceiver

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020108561A1 (en) * 2018-11-28 2020-06-04 青岛海信宽带多媒体技术有限公司 Video receiving optical module and optical network unit
CN109917523A (en) * 2019-04-30 2019-06-21 武汉兴思为光电科技有限公司 A kind of wavelength interval is less than the 50G simplex optical module of 20nm
CN110780451A (en) * 2019-11-14 2020-02-11 成都优博创通信技术股份有限公司 Laser assembly and optical communication equipment
CN115437084A (en) * 2022-10-25 2022-12-06 上海三菲半导体有限公司 One-to-one and one-to-many radio frequency transceiver

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