CN212392891U - System for realizing field operation optical cable optimal transmission waveband through optical fiber coding - Google Patents
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- CN212392891U CN212392891U CN202021494682.3U CN202021494682U CN212392891U CN 212392891 U CN212392891 U CN 212392891U CN 202021494682 U CN202021494682 U CN 202021494682U CN 212392891 U CN212392891 U CN 212392891U
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- 238000004891 communication Methods 0.000 claims abstract description 55
- 238000012544 monitoring process Methods 0.000 claims abstract description 28
- 239000000835 fiber Substances 0.000 claims description 20
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- 238000000926 separation method Methods 0.000 claims description 3
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Abstract
The invention discloses a system for realizing optimal transmission wave band of a field optical cable by optical fiber coding, which comprises: the monitoring module comprises a light source, a wavelength detector, a first SOA optical switch, a second SOA optical switch and a circulator; a tunable light source; a wavelength division multiplexer; a communication optical fiber; the optical cable connector is connected to the communication optical fiber and is provided with an optical fiber code, and the optical fiber code is used for identifying the optimal transmission wavelength of the communication optical fiber; and the main controller is used for identifying the optical fiber codes, analyzing the optimal transmission wavelength of the communication optical fiber and controlling the tunable light source to output the communication light wave with the optimal output wavelength. The optical fiber code with the unique identifier is arranged on the connecting head of the field operation optical cable, the optimal transmission wavelength of the communication optical fiber can be analyzed by identifying the optical fiber code, and the communication light wave with the optimal output wavelength can be controlled to be output by the tunable light source.
Description
Technical Field
The invention relates to the field of optical fiber communication, in particular to a system for realizing optimal transmission waveband of a field optical cable by optical fiber coding.
Background
Traditional field operations optical cable adopts fixed wavelength to transmit, but the optical cable has different best transmission wavelength, because the optical cable can not carry out effective discernment, can not accomplish optimum wavelength transmission for this reason.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides a system for realizing the optimal transmission wave band of a field operation optical cable by optical fiber coding, which can carry out optimal wavelength transmission aiming at different optical cables; the invention also provides a method for realizing the optimal transmission waveband of the field optical cable by the optical fiber coding.
According to the embodiment of the first aspect of the invention, the system for realizing the optimal transmission band of the field optical cable by the optical fiber coding comprises the following components: the monitoring module comprises a light source, a wavelength detector, a first SOA optical switch, a second SOA optical switch and a circulator; the circulator is provided with a first port, a second port and a third port, the light source is connected with the first port of the circulator through the first SOA optical switch to output monitoring light waves, and the wavelength detector is connected with the third port of the circulator through the second SOA optical switch to receive reflected monitoring light waves; the tunable light source is used as a light source for outputting communication light waves and can automatically select output wavelengths; the wavelength division multiplexer is respectively connected with the second port of the circulator and the output end of the tunable light source and is used for coupling and dividing the monitoring light wave and the communication light wave; one end of the communication optical fiber is connected with the wavelength division multiplexer, and the other end of the communication optical fiber is used for connecting a receiving side terminal; the optical cable connector is connected to the communication optical fiber and is provided with an optical fiber code, and the optical fiber code is used for identifying the optimal transmission wavelength of the communication optical fiber; and the main controller is respectively electrically connected with the wavelength detector, the first SOA optical switch, the second SOA optical switch and the tunable light source, and is used for identifying the optical fiber codes, analyzing the optimal transmission wavelength of the communication optical fiber and controlling the tunable light source to output the communication light wave with the optimal output wavelength.
The system for realizing the optimal transmission waveband of the field optical cable by the optical fiber coding according to the first embodiment of the invention has at least the following beneficial effects: the optical fiber code with the unique identifier is arranged on the connecting head of the field operation optical cable, the optimal transmission wavelength of the communication optical fiber can be analyzed by identifying the optical fiber code, and the communication light wave with the optimal output wavelength can be controlled to be output by the tunable light source.
According to some embodiments of the first aspect of the present invention, the light source employs a broad spectrum light source that is consistent with the wavelength band used for the fiber encoding.
According to some embodiments of the first aspect of the present invention, the optical cable connector includes a connector housing, and a fiber stub, the fiber stub is connected to the communication fiber, and the fiber code is located on the communication fiber extending into the connector housing.
According to some embodiments of the first aspect of the present invention, the wavelength detector employs a demodulator for achieving separation and wavelength measurement of the light waves.
According to some embodiments of the first aspect of the present invention, the master controller is an FPGA controller.
According to the second aspect of the invention, the method for realizing the optimal transmission waveband of the field optical cable by the optical fiber coding comprises the following steps: the master controller controls the light source and the first SOA optical switch to start, and outputs monitoring light waves to optical fiber codes of communication optical fibers in the optical cable connector through the circulator and the wavelength division multiplexer; the monitoring light wave with the specific wavelength reflected by the optical fiber codes is transmitted to the circulator through the wavelength division multiplexer; the master controller controls the second SOA optical switch to be started, the monitoring light wave is transmitted to the wavelength detector through the circulator, and the wavelength detector detects the wavelength of the monitoring light wave and feeds the wavelength back to the master controller; the main controller identifies the optical fiber code corresponding to the wavelength of the monitoring light wave, and analyzes the optimal transmission wavelength of the communication optical fiber according to the optical fiber code; and the main controller controls the tunable light source to output the communication light wave with the optimal output wavelength.
The method for realizing the optimal transmission waveband of the field optical cable by the optical fiber coding according to the second embodiment of the invention has at least the following beneficial effects: the optical fiber code with the unique identifier is arranged on the connecting head of the field operation optical cable, the optimal transmission wavelength of the communication optical fiber can be analyzed by identifying the optical fiber code, and the communication light wave with the optimal output wavelength can be controlled to be output by the tunable light source.
According to some embodiments of the second aspect of the present invention, the difference in actuation time between the first SOA optical switch and the second SOA optical switch is the time required for the monitoring light wave to travel from the first SOA optical switch to the optical fiber code and then to be reflected by the optical fiber code to the second SOA optical switch.
According to some embodiments of the second aspect of the present invention, the optical fiber code and the optimal transmission wavelength of the corresponding communication optical fiber are pre-stored in the master controller.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic diagram of a system for implementing the preferred transmission band of a field optical cable by optical fiber coding according to a first aspect of the present invention;
FIG. 2 is a cross-sectional view of an optical fiber splice according to an embodiment of the first aspect of the present invention;
FIG. 3 is a flowchart of a method for implementing the preferred transmission band of the field optical cable by optical fiber coding according to a second aspect of the present invention.
Reference numerals:
the device comprises a monitoring module 100, a light source 110, a wavelength detector 120, a first SOA optical switch 130, a second SOA optical switch 140 and a circulator 150;
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.
Referring to fig. 1, a system for implementing a field optical cable preferred transmission band for optical fiber coding according to an embodiment of a first aspect of the present disclosure includes:
the monitoring module 100, the monitoring module 100 includes a light source 110, a wavelength detector 120, a first SOA optical switch 130, a second SOA optical switch 140, and a circulator 150; the circulator 150 has a first port, a second port and a third port, the light source 110 is connected with the first port of the circulator 150 through the first SOA optical switch 130 to output a monitoring light wave, and the wavelength detector 120 is connected with the third port of the circulator 150 through the second SOA optical switch 140 to receive a reflected monitoring light wave;
the tunable light source 200 is used as a light source for outputting communication light waves and can automatically select output wavelengths;
a wavelength division multiplexer 300, respectively connected to the second port of the circulator 150 and the output end of the tunable light source 200, for coupling and dividing the monitoring light wave and the communication light wave;
a communication fiber 400, one end of which is connected to the wavelength division multiplexer 300 and the other end of which is used for connecting to a receiving side terminal, wherein the receiving side terminal can monitor the communication light wave by using a photoelectric detector, and then a main controller of the receiving side terminal identifies the communication light wave and loaded information;
the optical cable connector 500 is connected to the communication optical fiber 400 and is provided with an optical fiber code 501, and the optical fiber code 501 is used for identifying the optimal transmission wavelength of the communication optical fiber 400;
the main controller 600 is electrically connected to the wavelength detector 120, the first SOA optical switch 130, the second SOA optical switch 140, and the tunable light source 200, respectively, and is configured to identify the optical fiber code 501, analyze the optimal transmission wavelength of the communication optical fiber 400, and control the tunable light source 200 to output a communication light wave with an optimal output wavelength.
The optical fiber code with the unique identifier is arranged on the connecting head of the field operation optical cable, the optimal transmission wavelength of the communication optical fiber can be analyzed by identifying the optical fiber code, and the communication light wave with the optimal output wavelength can be controlled to be output by the tunable light source.
The SOA optical switch has the functions of high-speed opening and closing and has the function of light wave amplification. The two SOAs form pulse control of sending and receiving light waves, so that the light waves are input into the optical fiber, the optical fiber is connected to reflect and scatter the light waves in a backward direction, and the light wave transmission distance is obtained by multiplying the opening and closing time difference between the two optical fibers by the light speed.
In some embodiments of the first aspect of the present invention, the fiber code 400 is a fiber code that is organized into distinct wavelengths according to a regular spacing, with different distinct wavelength fiber codes using different spacings and wavelengths. The light source 110 uses a broad spectrum light source corresponding to the wavelength band used by the optical fiber code 501, so that the optical fiber code 501 reflects the light wave signal of the corresponding wavelength band.
As shown in fig. 2, the optical cable connector 500 includes a connector housing 502 and an optical fiber ferrule 503, the optical fiber ferrule 503 is connected to the communication optical fiber 400, and the optical fiber code 501 is located on the communication optical fiber 400 extending into the connector housing 502.
In some embodiments of the first aspect of the present invention, the wavelength detector 120 employs a demodulator for achieving separation and wavelength measurement of the light waves.
In some embodiments of the first aspect of the present invention, the main controller 600 employs an FPGA controller.
As shown in fig. 3, a method for implementing a field optical cable preferred transmission band for optical fiber coding according to an embodiment of the second aspect of the present invention includes the following steps:
the master controller controls the light source and the first SOA optical switch to start, and outputs monitoring light waves to optical fiber codes of communication optical fibers in the optical cable connector through the circulator and the wavelength division multiplexer;
the monitoring light wave with the specific wavelength reflected by the optical fiber codes is transmitted to the circulator through the wavelength division multiplexer;
the master controller controls the second SOA optical switch to be started, the monitoring light wave is transmitted to the wavelength detector through the circulator, and the wavelength detector detects the wavelength of the monitoring light wave and feeds the wavelength back to the master controller;
the main controller identifies the optical fiber code corresponding to the wavelength of the monitoring light wave, and analyzes the optimal transmission wavelength of the communication optical fiber according to the optical fiber code;
and the main controller controls the tunable light source to output the communication light wave with the optimal output wavelength.
The optical fiber code with the unique identifier is arranged on the connecting head of the field operation optical cable, the optimal transmission wavelength of the communication optical fiber can be analyzed by identifying the optical fiber code, and the communication light wave with the optimal output wavelength can be controlled to be output by the tunable light source.
In some embodiments of the second aspect of the present invention, the difference in actuation time between the first SOA optical switch and the second SOA optical switch is the time required for the monitoring light wave to travel from the first SOA optical switch to the optical fiber code and then reflect from the optical fiber code to the second SOA optical switch.
In some embodiments of the second aspect of the present invention, the fiber encoding and the optimal transmission wavelength of the corresponding communication fiber are pre-stored in the master controller.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (5)
1. A system for realizing field operation optical cable optimal transmission wave band by optical fiber coding is characterized in that: comprises that
A monitoring module (100), wherein the monitoring module (100) comprises a light source (110), a wavelength detector (120), a first SOA optical switch (130), a second SOA optical switch (140) and a circulator (150); the circulator (150) is provided with a first port, a second port and a third port, the light source (110) is connected with the first port of the circulator (150) through the first SOA optical switch (130) to output monitoring light waves, and the wavelength detector (120) is connected with the third port of the circulator (150) through the second SOA optical switch (140) to receive reflected monitoring light waves;
the tunable light source (200) is used as a light source for outputting communication light waves and can automatically select output wavelengths;
the wavelength division multiplexer (300) is respectively connected with the second port of the circulator (150) and the output end of the tunable light source (200) and is used for coupling and dividing the monitoring light wave and the communication light wave;
a communication fiber (400) having one end connected to the wavelength division multiplexer (300) and the other end connected to a receiving-side terminal;
the optical cable connector (500) is connected to the communication optical fiber (400) and is provided with an optical fiber code (501), and the optical fiber code (501) is used for identifying the optimal transmission wavelength of the communication optical fiber (400);
and the main controller (600) is electrically connected with the wavelength detector (120), the first SOA optical switch (130), the second SOA optical switch (140) and the tunable light source (200) respectively, and is used for identifying the optical fiber code (501), analyzing the optimal transmission wavelength of the communication optical fiber (400) and controlling the tunable light source (200) to output the communication light wave with the optimal output wavelength.
2. The system for realizing the optimal transmission band of the field optical cable by the optical fiber codes according to claim 1, wherein: the light source (110) adopts a wide spectrum light source which is consistent with the wavelength band used by the optical fiber code (501).
3. The system for realizing the optimal transmission band of the field optical cable by the optical fiber codes according to claim 1, wherein: optical cable connector (500) is including connector casing (502), optic fibre lock pin (503) are connected with communication optic fibre (400), optic fibre code (501) be located stretch into in connector casing (502) communication optic fibre (400) on.
4. The system for realizing the optimal transmission band of the field optical cable by the optical fiber codes according to claim 1, wherein: the wavelength detector (120) adopts a demodulator for realizing the separation of light waves and the wavelength measurement.
5. The system for realizing the optimal transmission band of the field optical cable by the optical fiber codes according to claim 1, wherein: the main controller (600) adopts an FPGA controller.
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| CN202021494682.3U CN212392891U (en) | 2020-07-24 | 2020-07-24 | System for realizing field operation optical cable optimal transmission waveband through optical fiber coding |
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| CN202021494682.3U CN212392891U (en) | 2020-07-24 | 2020-07-24 | System for realizing field operation optical cable optimal transmission waveband through optical fiber coding |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111934811A (en) * | 2020-07-24 | 2020-11-13 | 中山水木光华电子信息科技有限公司 | System and method for realizing field operation optical cable optimal transmission waveband through optical fiber coding |
| CN113315576A (en) * | 2021-03-31 | 2021-08-27 | 中山水木光华电子信息科技有限公司 | Addressable self-adaptive terminal and system for optical fiber network |
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2020
- 2020-07-24 CN CN202021494682.3U patent/CN212392891U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111934811A (en) * | 2020-07-24 | 2020-11-13 | 中山水木光华电子信息科技有限公司 | System and method for realizing field operation optical cable optimal transmission waveband through optical fiber coding |
| CN113315576A (en) * | 2021-03-31 | 2021-08-27 | 中山水木光华电子信息科技有限公司 | Addressable self-adaptive terminal and system for optical fiber network |
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