CN110808783A - Optical fiber communication device and communication method capable of enabling optical fibers to be quickly coupled - Google Patents
Optical fiber communication device and communication method capable of enabling optical fibers to be quickly coupled Download PDFInfo
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- CN110808783A CN110808783A CN201911277892.9A CN201911277892A CN110808783A CN 110808783 A CN110808783 A CN 110808783A CN 201911277892 A CN201911277892 A CN 201911277892A CN 110808783 A CN110808783 A CN 110808783A
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- 239000013307 optical fiber Substances 0.000 title claims abstract description 164
- 230000006854 communication Effects 0.000 title claims abstract description 67
- 238000004891 communication Methods 0.000 title claims abstract description 67
- 238000000034 method Methods 0.000 title claims abstract description 12
- 230000008878 coupling Effects 0.000 claims abstract description 214
- 238000010168 coupling process Methods 0.000 claims abstract description 214
- 238000005859 coupling reaction Methods 0.000 claims abstract description 214
- 230000003287 optical effect Effects 0.000 claims abstract description 83
- 230000007175 bidirectional communication Effects 0.000 claims description 3
- 239000000835 fiber Substances 0.000 abstract description 10
- 238000009826 distribution Methods 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 230000004927 fusion Effects 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/25—Arrangements specific to fibre transmission
-
- 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
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4201—Packages, e.g. shape, construction, internal or external details
Abstract
The invention discloses an optical fiber communication device capable of realizing rapid optical fiber coupling, which comprises an A-end device and a B-end device which have the same structure and are respectively connected to two ends of a communication optical cable, wherein the A-end device comprises a first laser transmitter unit and a first transmitting coupling unit which are interconnected, and a first laser receiver unit and a first receiving coupling unit which are interconnected; the B-end device comprises a second laser transmitter unit and a second transmitting coupling unit which are interconnected, and a second laser receiver unit and a second receiving coupling unit which are interconnected; the first transmitting coupling unit is connected with the second receiving coupling unit through a first optical fiber in the communication optical cable, and the second transmitting coupling unit is connected with the first receiving coupling unit through a second optical fiber in the communication optical cable. The device has the characteristics of low cost, convenient assembly and simple and convenient operation. The invention also discloses a fiber communication method capable of realizing the rapid coupling of the optical fiber, and the method can simply, conveniently and rapidly realize or recover the communication in different places.
Description
Technical Field
The invention relates to the field of optical fiber communication, in particular to an optical fiber communication device and method using rapid optical fiber coupling.
Background
The conditions of long-time road interruption, power failure, telephone and mobile phone communication interruption and the like in remote mountain areas are often caused by heavy natural disasters such as earthquakes, flood disasters, landslide and the like. At this time, there is a pressing need for a simple, fast, portable device to keep the outside world in communication with the disaster area.
The conventional emergency optical fiber communication device requires the connection between the device and the optical fiber to maintain a good state in order to obtain high coupling efficiency. In order to achieve the purpose, the end face of the optical fiber is strictly required, an optical fiber cutter is required to cut the optical fiber to enable the end face of the optical fiber to be flat, and then a precise clamp is required to fix the optical fiber to enable the laser or the detector to be accurately aligned with the optical fiber; alternatively, it may be desirable to fusion splice a connector using a fusion splicer and then use the flange to connect the communication device to the optical fiber.
However, if it is found that the optical cable is broken at a cliff or a water bottom of a mountain somewhere in the field without carrying or using a special tool such as an optical fiber cutter, an optical fiber fusion splicer, or the like, it is impossible to perform communication.
Disclosure of Invention
The present invention is directed to a fiber optic communication device and a communication method that can couple optical fibers quickly. The device has the characteristics of low cost, convenient assembly and simple and convenient operation. The method can simply and quickly realize or recover the communication between different places.
The technical scheme for realizing the purpose of the invention is as follows:
an optical fiber communication device capable of enabling optical fibers to be rapidly coupled comprises an end A device and an end B device which are identical in structure and are respectively connected to two ends of a communication optical cable, wherein the number of the optical fibers in the communication optical cable is at least 2, and the end A device comprises a first laser transmitter unit and a first transmitting coupling unit which are interconnected, and a first laser receiver unit and a first receiving coupling unit which are interconnected; the B-end device comprises a second laser transmitter unit and a second transmitting coupling unit which are interconnected, and a second laser receiver unit and a second receiving coupling unit which are interconnected; the first transmitting coupling unit is connected with the second receiving coupling unit through a first optical fiber in the communication optical cable, and the second transmitting coupling unit is connected with the first receiving coupling unit through a second optical fiber in the communication optical cable.
The first emission coupling unit and the second emission coupling unit are respectively provided with a first coupling cylinder with the inner diameter of phi 1 mm-phi 3mm and the length of 10-30 times of the inner diameter, wherein the inner wall of the first coupling cylinder has a reflection function or is plated with a reflection film, one end of the first coupling cylinder is connected with the laser transmitter unit, the other end of the first coupling cylinder is used for being flexibly inserted into an optical fiber to be connected, and an optical signal output by the laser transmitter unit is coupled into the optical fiber to be connected through the first coupling cylinder.
The first receiving coupling unit and the second receiving coupling unit are both provided with a second coupling cylinder with the inner diameter of phi 1 mm-phi 3mm and the length of 10-30 times of the inner diameter, wherein the inner wall of the second coupling cylinder has a reflection function or is plated with a reflection film, one end of the second coupling cylinder is an input end and used for being flexibly inserted into an optical fiber to be connected, the other end of the second coupling cylinder is connected with an optical detector, and an optical signal output by the optical detector from the optical fiber to be connected enters the optical detector through the coupling of the second coupling cylinder.
The laser transmitter unit encodes and modulates information into an optical signal and inputs the optical signal into the transmitting coupling unit, the transmitting coupling unit couples the optical signal into the optical fiber, the receiving coupling unit couples the optical signal in the optical fiber into the optical detector, and the laser receiver unit converts the optical signal into an electrical signal and demodulates the electrical signal to obtain the information sent by the laser transmitter unit.
The first coupling cylinder can select different inner diameters according to different diameters of communication optical fibers, the outer surface of the first coupling cylinder does not need to be specially designed and can be square, circular or in other shapes, only the whole cylinder is required to be ensured to be stable, the first coupling cylinder is 10-30 times the inner diameter, namely the length can be in the range of 10mm-60mm, one end of the cylinder is connected with a laser with a 1.25mm or 2.5mm optical fiber connector, the other end of the cylinder is connected with a 0.25mm optical fiber or a 0.9mm optical fiber or a 1.25mm or 2.5mm optical fiber connector, when the communication device works, a laser transmitter unit continuously transmits optical signals, laser beams are emitted from the optical fiber connector, and because the emitted beams are divergent and the length of the first coupling cylinder is long enough, the beams can be reflected for multiple times in the inner wall of the first coupling cylinder, when the beams reach the other end of the first coupling cylinder, the emergent light beam of the laser transmitter unit connector is changed into a light beam with the same size as the section of the inner diameter of the first coupling cylinder and approximately uniform intensity distribution, at the moment, as long as the other end of the first coupling cylinder is placed into the optical fiber, because the light beam distribution is approximately uniform, the incident angle meets the requirement of the numerical aperture of the optical fiber, an optical signal with the area equal to the effective coupling cross section area of the optical fiber is coupled into the optical fiber, theoretically, the maximum coupling efficiency of the emitting coupling unit used by the device is the ratio of the effective coupling cross section area of the optical fiber to the cross section area of the inner diameter of the first coupling cylinder, therefore, the smaller the inner diameter of the first coupling cylinder, the higher the coupling efficiency is, when the device is actually used, the reflection loss of the inner wall of the cylinder, the uneven end face of the optical fiber or the loss caused by unclean and the like can cause the reduction of the coupling efficiency, the launch coupling efficiency is in the range of-40 dB to-60 dB, and it can be seen from the above coupling principle that the coupling efficiency is only related to the effective coupling cross-sectional area of the optical fiber and not to the lateral position of the optical fiber, i.e. the optical fiber can be placed at any position in the first coupling cylinder as long as the optical axis direction of the optical fiber is kept approximately the same as the axial direction of the first coupling cylinder, which allows a simple and fast connection between the laser and the communication fiber.
Wherein, the key point for realizing the rapid coupling function is a receiving coupling unit, the receiving coupling unit uses a second coupling cylinder with the same structure as the transmitting coupling unit, the inner diameter of the second coupling cylinder is within the range of phi 1 mm-phi 3mm, the length of the second coupling cylinder is 10-30 times of the inner diameter, the interior of the second coupling cylinder also requires to have the reflection function, the input optical fiber is flexibly placed at one end of the second coupling cylinder, the other end of the second coupling cylinder is fixedly placed with a light detector, the light detector can use a detector with a wide photosurface, the light beam emitted by the optical fiber forms light spots with the intensity approximately evenly distributed at the detector after being transmitted for many times by the second coupling cylinder according to the coupling principle of the first coupling cylinder, if the diameter of the photosurface of the detector is the same size as the inner diameter of the second coupling cylinder or larger than the inner diameter of the second coupling cylinder, all light beams enter the detector, so that the coupling efficiency of the optical fiber and the optical detector is high, and the receiving coupling efficiency is in a range of about-1 dB to 10dB considering the reflection loss of the inner wall of the second coupling cylinder and the loss caused by the uneven end surface or unclean surface of the optical fiber.
In summary, the transmitting coupling unit using the first coupling cylinder structure and the receiving coupling unit using the second coupling cylinder structure can be coupled to each other without aligning the center of the optical fiber with a precision clamp, or cutting the optical fiber with an optical fiber cutter to make the end surface thereof flat, or welding the optical fiber connector with an optical fiber welding machine, so that the optical fiber transmitting and receiving coupling can be realized simply, conveniently and quickly.
The communication method using the optical fiber communication device capable of realizing the rapid optical fiber coupling comprises the following steps:
1) at one end of the communication optical cable, namely the end A, enabling the first laser transmitter unit to continuously transmit optical signals and enabling the first laser receiver unit to continuously demodulate the optical signals, then putting one optical fiber in the communication optical cable into a first coupling cylinder of the first transmitting coupling unit and fixing the optical fiber, and then putting the rest optical fibers in the communication optical cable into a second coupling cylinder of the first laser receiver unit and fixing the optical fiber;
2) at the other end of the communication optical cable, namely the end B, the second laser transmitter unit is enabled to continuously transmit optical signals, the second laser receiver unit is enabled to continuously demodulate the optical signals, then all optical fibers in the communication optical cable are put into the second receiving coupling unit together for fixing, and at the moment, information can be received in the second laser receiver unit;
3) at the end B, one optical fiber in the second receiving coupling unit is drawn out, if the information is not received in the second laser receiver unit at the moment, the optical fiber is the transmitting optical fiber at the end A, the rest optical fibers in the second receiving coupling unit are taken out and put into the second transmitting coupling unit for fixing, and then the optical fiber determined as the transmitting optical fiber at the end A is put back into the second receiving coupling unit for fixing; if the extracted optical fiber does not influence the information reception of the second laser receiver unit, the optical fiber is not the transmitting optical fiber of the A end, the optical fiber is put into the second transmitting coupling unit for fixing, and at the moment, the information sent by the B end can be received in the first laser transmitter unit of the A end;
4) and after the steps are completed, the bidirectional communication between the A end and the B end of the optical cable can be quickly realized.
The device has the characteristics of low cost, convenient assembly and simple and convenient operation. The method can simply and quickly realize or recover the communication between different places.
Drawings
Fig. 1 is a schematic structural diagram of the embodiment.
In the figure, 5, a first optical fiber 6, a second optical fiber 7, a communication optical cable 11, a first laser transmitter unit 12, a first transmitting coupling unit 21, a first laser receiver unit 22, a first receiving coupling unit 31, a second laser transmitter unit 32, a second transmitting coupling unit 41, a second laser receiver unit 42 and a second receiving coupling unit.
Detailed Description
The invention will be further elucidated with reference to the drawings and examples, without however being limited thereto.
Example (b):
referring to fig. 1, an optical fiber communication device capable of enabling optical fibers to be coupled quickly includes an end-a device and an end-B device which have the same structure and are respectively connected to two ends of a communication optical cable 7, wherein the number of optical fibers in the communication optical cable 7 is at least 2, and the end-a device includes a first laser transmitter unit 11 and a first transmitting coupling unit 12 which are interconnected, and a first laser receiver unit 21 and a first receiving coupling unit 22 which are interconnected; the B-end device comprises a second laser transmitter unit 31 and a second transmitting coupling unit 32 which are interconnected, and a second laser receiver unit 41 and a second receiving coupling unit 42 which are interconnected; the first transmitting coupling unit 12 is connected with the second receiving coupling unit 42 through the first optical fiber 5 in the communication optical cable 7, and the second transmitting coupling unit 32 is connected with the first receiving coupling unit 22 through the second optical fiber 6 in the communication optical cable 7.
The first emission coupling unit 12 and the second emission coupling unit 32 are both provided with a first coupling cylinder with an inner diameter of phi 1 mm-phi 3mm and a length of 10-30 times the length of the inner diameter, wherein the inner wall of the first coupling cylinder has a reflection function or is plated with a reflection film, one end of the first coupling cylinder is connected with a laser emitter unit, the other end of the first coupling cylinder is used for being flexibly inserted into an optical fiber to be connected, and an optical signal output by the laser emitter unit is coupled into the optical fiber to be connected through the first coupling cylinder.
The first receiving coupling unit 22 and the second receiving coupling unit 42 are both provided with a second coupling cylinder with an inner diameter of phi 1 mm-phi 3mm and a length of 10-30 times the length of the inner diameter, wherein the inner wall of the second coupling cylinder has a reflection function or is plated with a reflection film, one end of the second coupling cylinder is an input end for flexibly inserting an optical fiber to be connected, the other end of the second coupling cylinder is connected with an optical detector, and an optical signal output by the optical detector from the optical fiber to be connected enters the optical detector through the coupling of the second coupling cylinder.
The laser transmitter unit encodes and modulates information into an optical signal and inputs the optical signal into the transmitting coupling unit, the transmitting coupling unit couples the optical signal into the optical fiber, the receiving coupling unit couples the optical signal in the optical fiber into the optical detector, and the laser receiver unit converts the optical signal into an electrical signal and demodulates the electrical signal to obtain the information sent by the laser transmitter unit.
The laser transmitter unit generally comprises an FPGA chip and a general logic gate circuit driving chip, in this example, EP3C55F484C8 and 74F04, the laser receiver unit in this example comprises an avalanche photodiode, a trans-impedance amplifier and a main amplifier, the avalanche photodiode, the trans-impedance amplifier and the main amplifier can convert a weak optical signal into an electrical signal and effectively amplify the electrical signal for subsequent processing, the trans-impedance amplifier comprises OPA657, the main amplifier comprises OPA699, then a high-speed analog-digital converter ADC10065 is used for signal acquisition and analog-digital conversion, and finally the electrical signal is sent to the FPGA chip EP3C55F484C8 for signal demodulation processing.
The first coupling cylinder can select different inner diameters according to different diameters of communication optical fibers, in this example, the inner diameter of the first coupling cylinder is phi 3mm, then a 0.25mm optical fiber, a 0.9mm optical fiber, a 1.25mm optical fiber connector and a 2.5mm optical fiber connector can be placed, the outer surface of the first coupling cylinder does not need to be specially designed, and can be square, circular or other shapes, only the whole cylinder needs to be ensured to be stable, the length of the first coupling cylinder is 10 times to 30 times the inner diameter, namely the length can be in the range of 10mm to 60mm, one end of the cylinder is connected with a laser with the 1.25mm or 2.5mm optical fiber connector, the other end of the cylinder is connected with the 0.25mm optical fiber or the 0.9mm optical fiber or the 1.25mm or 2.5mm optical fiber connector, when the communication device works, the laser transmitter unit continuously transmits optical signals, laser beams are emitted from the optical fiber connectors, and emitted beams are divergent, and the length of the first coupling cylinder is long enough, so the light beam can be reflected in the inner wall of the first coupling cylinder for many times, when the light beam reaches the other end of the first coupling cylinder, the emergent light beam of the laser transmitter unit connector becomes a light beam with the same size as the inner diameter section of the first coupling cylinder and the intensity distribution is approximately uniform, at this time, as long as the other end of the first coupling cylinder is put into the optical fiber, because the light beam distribution is approximately uniform, the incident angle meets the requirement of the numerical aperture of the optical fiber, the optical signal with the area equal to the effective coupling cross-sectional area of the optical fiber is coupled into the optical fiber, theoretically, the maximum coupling efficiency of the emitting and coupling unit used by the device is the ratio of the effective coupling cross-sectional area of the optical fiber to the cross-sectional area of the inner diameter of the first coupling cylinder, therefore, the smaller the inner diameter of the first coupling cylinder is, the higher, the maximum coupling efficiency is 2.78x10-4. Theoretically, the effective coupling diameter of the single mode fiber is generally 50um to 60um, and 50um is taken in this example. In practical use, a cylinder of 1mm to 3mm diameter and a single cylinder are used in consideration of the fact that the coupling efficiency is lowered, although the coupling efficiency is not lowered much, due to reflection loss at the inner wall of the cylinder, loss due to unevenness or unclean end surface of the optical fiber, and the likeThe mode fiber is used for communication, the emission coupling efficiency is about-40 dB to-60 dB, and in addition, as can be seen from the coupling principle, the coupling efficiency is only related to the effective coupling cross-sectional area of the fiber and is not related to the transverse position of the fiber, that is, as long as the optical axis direction of the fiber is kept approximately the same as the axial center direction of the first coupling cylinder, the fiber can be placed at any position in the first coupling cylinder, so that the connection between the laser and the communication fiber can be simply and quickly established.
The key point of realizing the rapid coupling function is a receiving coupling unit, the receiving coupling unit uses a second coupling cylinder with the same structure as the transmitting coupling unit, the inner diameter of the second coupling cylinder is within the range of phi 1 mm-phi 3mm, the length of the second coupling cylinder is 10-30 times of the inner diameter, the interior of the second coupling cylinder is required to have the reflection function, the input optical fiber is flexibly placed at one end of the second coupling cylinder, the other end of the second coupling cylinder is fixedly provided with a light detector, the light detector can use a detector with a wide photosensitive surface, in the example, the detector is a detector with a wide photosensitive surface of phi 1 mm-phi 3mm, the light beam emitted by the optical fiber forms light spots with the strength approximately uniformly distributed at the detector after being transmitted by the second coupling cylinder for multiple times, if the diameter of the photosensitive surface of the detector is the same as or larger than the inner diameter of the second coupling cylinder, all light beams enter the detector, so that the coupling efficiency of the optical fiber and the optical detector is high and can reach over 90 percent at most, and the receiving coupling efficiency is in a range of-1 dB to-10 dB considering the reflection loss of the inner wall of the second coupling cylinder and the loss caused by the uneven or unclean end surface of the optical fiber.
In summary, the transmitting coupling unit using the first coupling cylinder structure and the receiving coupling unit using the second coupling cylinder structure can be coupled to each other without aligning the center of the optical fiber with a precision clamp, or cutting the optical fiber with an optical fiber cutter to make the end surface thereof flat, or welding the optical fiber connector with an optical fiber welding machine, so that the optical fiber transmitting and receiving coupling can be realized simply, conveniently and quickly.
The communication method using the optical fiber communication device capable of realizing the rapid optical fiber coupling comprises the following steps:
1) at one end, namely end a, of the communication optical cable 7, enabling the first laser transmitter unit 11 to continuously transmit optical signals and enabling the first laser receiver unit 21 to continuously demodulate the optical signals, then placing and fixing one optical fiber in the communication optical cable 7 into the first coupling cylinder of the first transmitting and coupling unit 12, and then placing and fixing the remaining optical fibers in the communication optical cable 7 into the second coupling cylinder of the first laser receiver unit 21;
2) at the other end of the communication optical cable 7, that is, the end B, the second laser transmitter unit 31 is also enabled to continuously transmit optical signals, the second laser receiver unit 41 is enabled to continuously demodulate optical signals, and then all the optical fibers in the communication optical cable 7 are put into the second receiving coupling unit 42 together to be fixed, at this time, information can be received in the second laser receiver unit 41;
3) at the end B, one optical fiber is drawn out from the second receiving coupling unit 42, if no information is received in the second laser receiver unit 41 at this time, which indicates that the optical fiber is the transmitting optical fiber at the end a, the rest optical fibers in the second receiving coupling unit 42 are taken out and put into the second transmitting coupling unit 32 for fixing, and then the optical fiber determined as the transmitting optical fiber at the end a is put back into the second receiving coupling unit 42 for fixing; if the extracted optical fiber does not affect the information reception of the second laser receiver unit 41, which indicates that the optical fiber is not the transmitting optical fiber at the a end, the optical fiber is put into the second transmitting and coupling unit 32 for fixation, and at this time, the information transmitted by the B end can be received in the first laser transmitter unit 11 at the a end;
4) and after the steps are completed, the bidirectional communication between the A end and the B end of the optical cable can be quickly realized.
Claims (4)
1. An optical fiber communication device capable of enabling optical fibers to be rapidly coupled is characterized by comprising an end A device and an end B device which are identical in structure and are respectively connected to two ends of a communication optical cable, wherein the number of the optical fibers in the communication optical cable is at least 2, and the end A device comprises a first laser transmitter unit and a first transmitting coupling unit which are interconnected, and a first laser receiver unit and a first receiving coupling unit which are interconnected; the B-end device comprises a second laser transmitter unit and a second transmitting coupling unit which are interconnected, and a second laser receiver unit and a second receiving coupling unit which are interconnected; the first transmitting coupling unit is connected with the second receiving coupling unit through a first optical fiber in the communication optical cable, and the second transmitting coupling unit is connected with the first receiving coupling unit through a second optical fiber in the communication optical cable.
2. An optical fiber communication device capable of coupling optical fibers rapidly according to claim 1, wherein the first emission coupling unit and the second emission coupling unit are each provided with a first coupling cylinder having an inner diameter of 1mm to 3mm and a length of 10 to 30 times the inner diameter and the length thereof, wherein an inner wall of the first coupling cylinder has a reflection function or the inner wall of the first coupling cylinder is coated with a reflection film, one end of the first coupling cylinder is connected to the laser transmitter unit, the other end of the first coupling cylinder is inserted into an optical fiber to be connected, and an optical signal output from the laser transmitter unit is coupled into the optical fiber to be connected through the first coupling cylinder.
3. An optical fiber communication device capable of coupling optical fibers rapidly according to claim 1, wherein the first receiving coupling unit and the second receiving coupling unit are each provided with a second coupling cylinder having an inner diameter of 1mm to 3mm and a length of 10 to 30 times the inner diameter and the length thereof, wherein an inner wall of the second coupling cylinder has a reflective function or is coated with a reflective film, one end of the second coupling cylinder is an input end into which an optical fiber to be connected is inserted, the other end of the second coupling cylinder is connected to an optical detector, and an optical signal output from the optical fiber to be connected by the optical detector is coupled into the optical detector through the second coupling cylinder.
4. A method for optical fiber communication capable of fast coupling of optical fibers, comprising the optical fiber communication apparatus capable of fast coupling of optical fibers according to any one of claims 1 to 3, the method comprising the steps of:
1) at one end of the communication optical cable, namely the end A, enabling the first laser transmitter unit to continuously transmit optical signals and enabling the first laser receiver unit to continuously demodulate the optical signals, then putting one optical fiber in the communication optical cable into a first coupling cylinder of the first transmitting coupling unit and fixing the optical fiber, and then putting the rest optical fibers in the communication optical cable into a second coupling cylinder of the first laser receiver unit and fixing the optical fiber;
2) at the other end of the communication optical cable, namely the end B, the second laser transmitter unit is enabled to continuously transmit optical signals, the second laser receiver unit is enabled to continuously demodulate the optical signals, then all optical fibers in the communication optical cable are put into the second receiving coupling unit together for fixing, and at the moment, information can be received in the second laser receiver unit;
3) at the end B, one optical fiber in the second receiving coupling unit is drawn out, if the information is not received in the second laser receiver unit at the moment, the optical fiber is the transmitting optical fiber at the end A, the rest optical fibers in the second receiving coupling unit are taken out and put into the second transmitting coupling unit for fixing, and then the optical fiber determined as the transmitting optical fiber at the end A is put back into the second receiving coupling unit for fixing; if the extracted optical fiber does not influence the information reception of the second laser receiver unit, the optical fiber is not the transmitting optical fiber of the A end, the optical fiber is put into the second transmitting coupling unit for fixing, and at the moment, the information sent by the B end can be received in the first laser transmitter unit of the A end;
4) and after the steps are completed, the bidirectional communication between the A end and the B end of the optical cable can be quickly realized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911277892.9A CN110808783A (en) | 2019-12-13 | 2019-12-13 | Optical fiber communication device and communication method capable of enabling optical fibers to be quickly coupled |
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| CN201911277892.9A CN110808783A (en) | 2019-12-13 | 2019-12-13 | Optical fiber communication device and communication method capable of enabling optical fibers to be quickly coupled |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080101750A1 (en) * | 2002-12-05 | 2008-05-01 | Ezconn Corporation | Optical Transmitter and/or Receiver Assembly Comprising a Planar Optical Circuit |
| US20090136237A1 (en) * | 2003-04-29 | 2009-05-28 | Francesco Martini | Coupling structure for optical fibres and process for making it |
| US20130084044A1 (en) * | 2011-09-29 | 2013-04-04 | John P. Ertel | Optical component assemblies |
| CN210444273U (en) * | 2019-12-13 | 2020-05-01 | 桂林聚联科技有限公司 | Optical fiber communication device capable of enabling optical fibers to be quickly coupled |
-
2019
- 2019-12-13 CN CN201911277892.9A patent/CN110808783A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080101750A1 (en) * | 2002-12-05 | 2008-05-01 | Ezconn Corporation | Optical Transmitter and/or Receiver Assembly Comprising a Planar Optical Circuit |
| US20090136237A1 (en) * | 2003-04-29 | 2009-05-28 | Francesco Martini | Coupling structure for optical fibres and process for making it |
| US20130084044A1 (en) * | 2011-09-29 | 2013-04-04 | John P. Ertel | Optical component assemblies |
| CN210444273U (en) * | 2019-12-13 | 2020-05-01 | 桂林聚联科技有限公司 | Optical fiber communication device capable of enabling optical fibers to be quickly coupled |
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Application publication date: 20200218 |
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