CN209150476U - A kind of distributed Raman fiber amplifier - Google Patents
A kind of distributed Raman fiber amplifier Download PDFInfo
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- CN209150476U CN209150476U CN201822236660.6U CN201822236660U CN209150476U CN 209150476 U CN209150476 U CN 209150476U CN 201822236660 U CN201822236660 U CN 201822236660U CN 209150476 U CN209150476 U CN 209150476U
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- splitter
- output
- multiplex
- control unit
- main control
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- Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
Abstract
The utility model discloses a kind of distributed Raman fiber amplifiers, including main control unit, 2nd LD and the 4th LD, the main control unit acts on the first LD, 2nd LD is acted on by main control unit, first LD and the 2nd LD passes through the first wave multiplexer multiplex, the main control unit acts on the 3rd LD, 4th LD is acted on by main control unit, 3rd LD and the 4th LD passes through the second wave multiplexer multiplex, first wave multiplexer and the output of the second wave multiplexer multiplex in wave multiplexer, output after the wave multiplexer multiplex reaches the first splitter, output after the wave multiplexer multiplex is sent to the second splitter by the first splitter.The distributed Raman fiber amplifier is provided with altogether three power-sensing circuits, the detection data provided simultaneously by the first light power detection circuit and the second light power detection circuit and third light power detection circuit, can well detect the power of circuit.
Description
Technical field
The utility model relates to amplifier installation technical field, specially a kind of distributed Raman fiber amplifier.
Background technique
Amplifier module is also referred to as transmitter module, can by receiving device generate various signals, by this module pick-up at
The receiving devices such as various signals and the display instrument for being transmitted to control room required for client.In present society very often
See.But amplifier currently on the market cannot well detect route when in use, while can not be with good control
Temperature needed for route processed and power, the demand being unable to satisfy in real work, therefore there is an urgent need to can improve distribution on the market
The technology of formula Raman Fiber Amplifier structure, to improve this equipment.
Utility model content
The purpose of this utility model is to provide a kind of distributed Raman fiber amplifiers, to solve in above-mentioned background technique
The existing amplifier proposed cannot well detect route when in use, while can not be with good control route institute
The problem of temperature and power for needing.
To achieve the above object, the utility model provides the following technical solutions: a kind of distributed Raman fiber amplifier, packet
Main control unit, the 2nd LD and the 4th LD are included, the main control unit acts on the first LD, and the 2nd LD is acted on by main control unit,
First LD and the 2nd LD passes through the first wave multiplexer multiplex, and the main control unit acts on the 3rd LD, the 4th LD acceptor
Unit effect is controlled, the 3rd LD and the 4th LD passes through the second wave multiplexer multiplex, wherein
First wave multiplexer and the second wave multiplexer export the multiplex in wave multiplexer, and the output after the wave multiplexer multiplex passes
To the first splitter, output after the wave multiplexer multiplex is sent to the second splitter by the first splitter, and described second point
The 4th splitter is passed through in output of the output of road device after WD wave multiplexer multiplex, and the output by the 4th splitter transmits
To the first optoisolator, the output of first optoisolator is combined with the 5th LD, the output of first optoisolator with
5th LD passes through wavelength division multiplexer, described to be sent to bait fibre after wavelength division multiplexer multiplex, and the output of bait fibre passes through the
Two optoisolators, described to be sent to the 6th splitter by the output of the second optoisolator, the 6th splitter is connected to defeated
Light connector out；
First splitter is connected to third splitter, and the first PD, the warp are passed through in the output of the third splitter
Output after crossing the first PD is sent to the first light power detection circuit, and the output of the 4th splitter is sent to the 5th branch
The 2nd PD is passed through in device, the output of the 5th splitter, and the output after the 2nd PD is sent to the detection of the second optical power
The 3rd PD is passed through in circuit, the output of the 6th splitter, and the output after the 3rd PD is sent to the inspection of third optical power
Slowdown monitoring circuit.
Preferably, the main control unit control temperature and power.
Preferably, the first LD and the 2nd LD and the 3rd LD and the 4th LD is temperature controlled and power control.
Preferably, 99% one end of the 6th splitter is connected to output light connector, and the 1% of the 6th splitter
One end be connected to the 3rd PD.
Preferably, there are three the power-sensing circuit is total to, three power-sensing circuits are respectively the first optical power
Detection circuit and the second light power detection circuit and third light power detection circuit, three power-sensing circuits are all controlled
In main control unit.
Compared with prior art, the utility model has the beneficial effects that the distributed Raman fiber amplifier:
1. the device is provided with three power-sensing circuits altogether, pass through the first light power detection circuit and the second optical power
The detection data that detection circuit and third light power detection circuit provide simultaneously, can well examine the power of circuit
It surveys；
2. the temperature of the device and it is power-controlled controlled in main control unit 1, while the first LD2 and the 2nd LD3 and the 3rd LD5
It is temperature controlled with the 4th LD6 and power control, it can be well to the first LD2 and the 2nd LD3 and the 3rd LD5 and the 4th
The temperature and power of LD6 is controlled.
Detailed description of the invention
Fig. 1 is the utility model schematic view of the front view；
Fig. 2 is utility model works flowage structure schematic diagram.
In figure: 1, main control unit, the 2, the first LD, the 3, the 2nd LD, the 4, first wave multiplexer, the 5, the 3rd LD, the 6, the 4th LD, 7,
Two wave multiplexers, 8,1480 wave multiplexers, the 9, first splitter, the 10, second splitter, the 11, the 4th splitter, the 12, first optical isolation
Device, the 13, the 5th LD, 14,980 wavelength division multiplexers, 15, bait fibre, the 16, second optoisolator, the 17, the 6th splitter, 18, the 5th points
Road device, 19, output light connector, 20, third splitter, the 21, the first PD, the 22, first light power detection circuit, the 23, the 2nd PD,
24, the second light power detection circuit, the 25, the 3rd PD, 26, third light power detection circuit.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
The utility model provides a kind of technical solution referring to FIG. 1-2: a kind of distributed Raman fiber amplifier, including
Main control unit 1, the first LD2, the 2nd LD3, the first wave multiplexer 4, the 3rd LD5, the 4th LD6, the second wave multiplexer 7,1480 wave multiplexers
8, the first splitter 9, the second splitter 10, the 4th splitter 11, the first optoisolator 12, the 5th LD13,980 wavelength division multiplexers
14, bait fibre 15, the second optoisolator 16, the 6th splitter 17, the 5th splitter 18, output light connector 19, third splitter 20,
First PD21, the first light power detection circuit 22, the 2nd PD23, the second light power detection circuit 24, the 3rd PD25 and third light
Power-sensing circuit 26, the main control unit 1 act on the first LD2, and the main control unit 1 controls temperature and power, and described the
One LD2 and the 2nd LD3 and the 3rd LD5 and the 4th LD6 is temperature controlled and power control, can well to the first LD2 and
The temperature and power of 2nd LD3 and the 3rd LD5 and the 4th LD6 is controlled, and the 2nd LD3 is acted on by main control unit 1, described
First LD2 and the 2nd LD3 passes through 4 multiplex of the first wave multiplexer, and the main control unit 1 acts on the 3rd LD5, the 4th LD6 by
Main control unit 1 acts on, and the 3rd LD5 and the 4th LD6 passes through 7 multiplex of the second wave multiplexer, wherein
First wave multiplexer 4 and the output of the second wave multiplexer 7 multiplex in 1480 wave multiplexers 8,1480 wave multiplexer 8 close
Output after wave reaches the first splitter 9, and the output after 1480 wave multiplexer, 8 multiplex is sent to the by the first splitter 9
The 4th splitter is passed through in two splitters 10, output of the output of second splitter 10 after WD1415 wave multiplexer multiplex
11, the output by the 4th splitter 11 is sent to the first optoisolator 12, the output of first optoisolator 12 with
5th LD13 is combined, and the output of first optoisolator 12 and the 5th LD13 pass through 980 wavelength division multiplexers 14, the process
Bait fibre 15 is sent to after 980 wavelength division multiplexer, 14 multiplex, the second optoisolator 16, the process are passed through in the output of the bait fibre 15
The output of second optoisolator 16 is sent to the 6th splitter 17, and 99% one end of the 6th splitter 17 is connected to output
1% one end of light connector 19, the 6th splitter 17 is connected to the 3rd PD25, can be well by the output of different proportion
It is connected to the position of needs respectively, the 6th splitter 17 is connected to output light connector 19；
First splitter 9 is connected to third splitter 20, and the first PD21 is passed through in the output of the third splitter 20,
The output after the first PD21 is sent to the first light power detection circuit 22, the output transmission of the 4th splitter 11
To the 5th splitter 18, the 2nd PD23 is passed through in the output of the 5th splitter 18, and the output after the 2nd PD23 passes
It send to the second light power detection circuit 24, the 3rd PD25 is passed through in the output of the 6th splitter 17, described to pass through the 3rd PD25
Output afterwards is sent to third light power detection circuit 26, the power-sensing circuit altogether there are three, three power detections
Circuit is respectively the first light power detection circuit 22 and the second light power detection circuit 24 and third light power detection circuit 26, institute
It states three power-sensing circuits and is all controlled by main control unit 1, the power of circuit can be detected well.
Working principle: before using the distributed Raman fiber amplifier, it is necessary first to entire distributed Raman
Fiber amplifier carries out the simple knowledge in structure, the output and third of the first LD2 and the 2nd LD3 after 4 multiplex of the first wave multiplexer
LD5, output of the 4th LD6 after 7 multiplex of the second wave multiplexer multiplex in 1480 wave multiplexers 8, output after multiplex through 1%
It is sent into 1% the second splitter of WD1415 10 after one splitter 9, is sent into WD1510 multiplex after WD1415 multiplex with input light,
The output of WD1510 wave multiplexer is connected to the first optoisolator 12 after 3% the 4th splitter 11, the first optoisolator 12 it is defeated
Be connected to bait fibre 15 after 980 wavelength division multiplexer, 14 multiplex with the pump light of the 5th LD13 out, the output of bait fibre 15 through the second light every
From the 6th splitter 17 that device 16 is sent into 1%, 99% end of the 5th splitter 18 is connected to output light connector 19, the first splitter
9 1% one end is connected to third splitter 20, and 1% end of third splitter 20 is connected to the detection of the first optical power after the first PD21
Circuit 22,3% end of the 4th splitter 11 are connected to 1% the 5th splitter 18, and the 1% of the 5th splitter 18 is after the 2nd PD23
It is connected to the second light power detection circuit 24,1% end of the 6th splitter 17 is connected to third optical power detection electricity after the 3rd PD25
Road 26, the content being not described in detail in this explanation belong to the prior art well known to professional and technical personnel in the field.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of distributed Raman fiber amplifier, including main control unit (1), the 2nd LD (3) and the 4th LD (6), feature exist
In: the main control unit (1) acts on the first LD (2), and the 2nd LD (3) is acted on by main control unit (1), the first LD
(2) and the 2nd LD (3) passes through the first wave multiplexer (4) multiplex, and the main control unit (1) acts on the 3rd LD (5), the 4th LD
(6) it is acted on by main control unit (1), the 3rd LD (5) and the 4th LD (6) pass through the second wave multiplexer (7) multiplex, wherein
First wave multiplexer (4) and the second wave multiplexer (7) output are in 1480 wave multiplexers (8) interior multiplex, 1480 wave multiplexer
(8) output after multiplex reaches the first splitter (9), and the first splitter is passed through in the output after 1480 wave multiplexer (8) multiplex
(9) it is sent to the second splitter (10), output of the output of second splitter (10) after WD1415 wave multiplexer multiplex
By the 4th splitter (11), the output by the 4th splitter (11) is sent to the first optoisolator (12), and described the
The output of one optoisolator (12) is combined with the 5th LD (13), the output of first optoisolator (12) and the 5th LD (13)
By 980 wavelength division multiplexers (14), the bait that is sent to after 980 wavelength division multiplexers (14) multiplex is fine (15), and the bait is fine
(15) the second optoisolator (16) are passed through in output, described to be sent to the 6th splitter by the output of the second optoisolator (16)
(17), the 6th splitter (17) is connected to output light connector (19)；
First splitter (9) is connected to third splitter (20), and the first PD is passed through in the output of the third splitter (20)
(21), the output after the first PD (21) is sent to the first light power detection circuit (22), the 4th splitter
(11) output is sent to the 5th splitter (18), and the 2nd PD (23), the warp are passed through in the output of the 5th splitter (18)
Output after crossing the 2nd PD (23) is sent to the second light power detection circuit (24), and the output of the 6th splitter (17) is passed through
3rd PD (25), the output after the 3rd PD (25) are sent to third light power detection circuit (26).
2. a kind of distributed Raman fiber amplifier according to claim 1, it is characterised in that: the main control unit (1)
Control temperature and power.
3. a kind of distributed Raman fiber amplifier according to claim 1, it is characterised in that: the first LD (2) and
2nd LD (3) and the 3rd LD (5) and the 4th LD (6) is temperature controlled and power control.
4. a kind of distributed Raman fiber amplifier according to claim 1, it is characterised in that: the 6th splitter
(17) 99% one end is connected to output light connector (19), and 1% one end of the 6th splitter (17) is connected to third
PD(25)。
5. a kind of distributed Raman fiber amplifier according to claim 1, it is characterised in that: the power-sensing circuit
There are three altogether, three power-sensing circuits are respectively the first light power detection circuit (22) and the second light power detection circuit
(24) and third light power detection circuit (26), three power-sensing circuits are all controlled by main control unit (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822236660.6U CN209150476U (en) | 2018-12-28 | 2018-12-28 | A kind of distributed Raman fiber amplifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822236660.6U CN209150476U (en) | 2018-12-28 | 2018-12-28 | A kind of distributed Raman fiber amplifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209150476U true CN209150476U (en) | 2019-07-23 |
Family
ID=67291023
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822236660.6U Expired - Fee Related CN209150476U (en) | 2018-12-28 | 2018-12-28 | A kind of distributed Raman fiber amplifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209150476U (en) |
-
2018
- 2018-12-28 CN CN201822236660.6U patent/CN209150476U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190723 Termination date: 20211228 |
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| CF01 | Termination of patent right due to non-payment of annual fee |