CN109286440A - A kind of laser power supply based on doubly clad optical fiber and total road information back system - Google Patents

A kind of laser power supply based on doubly clad optical fiber and total road information back system Download PDF

Info

Publication number
CN109286440A
CN109286440A CN201811181729.8A CN201811181729A CN109286440A CN 109286440 A CN109286440 A CN 109286440A CN 201811181729 A CN201811181729 A CN 201811181729A CN 109286440 A CN109286440 A CN 109286440A
Authority
CN
China
Prior art keywords
optical fiber
doubly clad
clad optical
laser
power supply
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201811181729.8A
Other languages
Chinese (zh)
Inventor
陈翰
闵靖
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Southeast University
Original Assignee
Southeast University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Southeast University filed Critical Southeast University
Priority to CN201811181729.8A priority Critical patent/CN109286440A/en
Publication of CN109286440A publication Critical patent/CN109286440A/en
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B10/00Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/25Arrangements specific to fibre transmission
    • H04B10/2589Bidirectional transmission
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B10/00Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/25Arrangements specific to fibre transmission
    • H04B10/2589Bidirectional transmission
    • H04B10/25891Transmission components

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Optical Communication System (AREA)

Abstract

A kind of laser power supply based on doubly clad optical fiber and total road information back system, including laser transmitting-receiving module, optical fiber transmission module and sensor monitoring module, optical fiber transmission module include doubly clad optical fiber;The present invention uses doubly clad optical fiber as laser power supply and information back access, respectively the transmitting two paths light in fibre core and covering, thus can in an optical fiber transmitting two paths light beam.Laser work is in 1060~1600nm wave band, laser function and signal transmission can be completed at the same time, without the optical path from new setting communication band, and device is mature, it reduces costs, the present invention has merged the relevant technologies progress of optical fiber and fields of light devices, solves the energy supply demand of equipment monitoring sensor under Automation of Electric Systems and smart grid application environment.

Description

A kind of laser power supply based on doubly clad optical fiber and total road information back system
Technical field
The present invention relates to optical fiber transmission fields, specifically, being related to a kind of laser power supply based on doubly clad optical fiber and total road Information back system.
Background technique
With the development of Automation of Electric Systems and smart grid, it is increasingly heavy that centering high-tension electricity equipment carries out real-time monitoring It wants, intelligent electronic device and the sensor of monitoring using increasingly extensive in power transmission and transforming equipment.For accurate measurements electrical equipment A variety of physical quantitys, a large amount of, a plurality of types of sensor nodes are by dense distribution in region to be measured.Mesohigh electrical equipment Monitoring sensor is mainly made of electronic circuit, using low-voltage DC supply.However, becoming in such as high-tension overhead line, electric power Under the application environments such as depressor, middle-high voltage switch, it is contemplated that installation site and insulating requirements, power supply generally cannot by conducting wire from Low-pressure side is directly fed, and electrical equipment primary side voltage class is high, can not be directly from primary electricity side-draw.Conventionally by artificial supplementation The method of sensor node energy is no longer applicable in, cost be also it is very huge, cause power supply to become and restrict online prison The problem broken through is badly in need of in examining system development.
At present for the energy supply demand of equipment monitoring sensor under Automation of Electric Systems and smart grid application environment, gush Reveal plurality of energy supplies technology, including natural environment takes energy, electromagnetic field to take energy, non-contact laser energy supply etc., due to equipment monitoring Number of sensors numerous types, in complicated geographical location circumstances, the safe insulation characteristic of electrical equipment, needs to take in addition Energy scheme takes into account a variety of requirements such as power supply reliability, power supply quality, output power.Natural environment takes energy method, such as solar energy And wind energy, larger by seasonal effect, strong winter in solar energy summer is weak, and wind energy is then that weak winter in summer is strong on the contrary;At one day 24 In hour, solar energy can only utilize on daytime, and wind energy is then to be better than daytime at night.Due to the uncontrollability of natural environment, no Stable electric energy supply can be provided for monitoring device.Electromagnetic field take can method, such as current transformer take can, work by The influence of power network current.Usual line current dynamic range is very big, when primary current lower (pacifying down to number), cannot obtain foot Enough energy, cause to take can equipment there are " take can dead angle ";When primary current increase to it is thousands of peace it is above when, take can mutual inductor produce Interference and damage caused by the raw high pressure inspection each device in pulse pair pair side, it is especially larger to the interference of power supply and subsequent conditioning circuit.
Laser power supply method preferably balances above the characteristics of taking energy method, can shield natural environment and power grid The influence of electric current provides stable electric energy supply for monitoring device.But how in the type selecting of energy-transmission optic fibre, altogether road information Transmission and reduce high potential sensor monitoring power consumption and reduce laser power supply system overall cost in terms of improve into The technical issues of for prior art urgent need to resolve.
Summary of the invention
It is an object of the invention to propose a kind of laser power supply based on doubly clad optical fiber and total road information back system, solution The energy supply demand of equipment monitoring sensor under Automation of Electric Systems of having determined and smart grid application environment, and simplify system structure Frame reduces overall cost.
To achieve this purpose, the present invention adopts the following technical scheme:
A kind of laser power supply based on doubly clad optical fiber and total road information back system, it is characterised in that:
Including laser transmitting-receiving module, optical fiber transmission module and sensor monitoring module, the optical fiber transmission module includes double-contracting Layer optical fiber;
Wherein the laser transmitting-receiving module includes the first optical path beam splitter, photodetector and heat transfer agent memory, The energy light that the emitting laser is launched is coupled to the double clad light in optical fiber transmission module via the first optical path beam splitter Covering in fibre perhaps in fibre core all the way toward in addition being connect all the way in covering in opposite end transmitting doubly clad optical fiber or fibre core For the signal modulation light of receipts via the first optical path beamsplitter to photodetector, photodetector obtains electric signal storage sensing Information-storing device;
In covering or fibre core in the doubly clad optical fiber all the way toward sensor monitoring module emitted energy light, double clad The signal modulation light for receiving sensor monitoring module transfer to laser transmitting-receiving module all the way in covering or fibre core in optical fiber;
The sensor monitoring module includes coupling splitter, photovoltaic cell, equipment monitoring sensor and electrooptic modulator, Wherein the second optical path beam splitter receives the energy light all the way in the covering or fibre core in doubly clad optical fiber, and via coupling It closes optical splitter and the energy beam is divided into two-way, major part is sent to photovoltaic cell and is powered, and fewer parts is sent to light Electric modulator is powered equipment monitoring sensor as signal modulation light, the photovoltaic cell, the equipment monitoring sensing Device exports transducing signal, is transmitted to electrooptic modulator and is modulated to the signal modulation light, the modulated signal modulation Light is coupled to the covering in doubly clad optical fiber or the another way in fibre core via the second optical path beam splitter, is back to laser Transceiver module.
Optionally, the energy light transmits in covering, and the signal modulation light transmits in fibre core.
Optionally, the work of the laser, the doubly clad optical fiber, the photodetector and the electrooptic modulator Wavelength is between 1060~1600nm wave band.
Optionally, the operation wavelength of the laser is less than 3nm, output power between 1060~1600nm, spectral line width Not less than 5W, working method is continuous wave mode.
Optionally, the photo detector spectral response range is less than between 1060~1600nm, photosensitive response time 0.1ms, corresponding responsive bandwidth are greater than 10KHz.
Optionally, the doubly clad optical fiber operation wavelength is between 1060~1600nm, fibre core numerical aperture between 0.08~ 0.12, covering numerical aperture is not less than 0.46, and fibre core is lost@1300nm and is not more than 40dB/km, and cladding loss@1095nm is little In 15dB/km, sandwich layer diameter is between 10~20um, and cladding diameter is between 130~400um.
Optionally, for the photovoltaic cell operation wavelength between 1060~1600nm, quantum efficiency within this range is not low The power not less than 1W can be exported after 20%, optical electrical conversion, and the photovoltaic cell includes DC boosting function, being used for will Cascaded-output voltage rises to 3.3V.
Optionally, the electrooptic modulator is adjustable optical attenuator, and operation wavelength is between 1060~1600nm, operating voltage Greater than 3.3V, attenuation range is less than 0.1ms between 0~25dB, response speed, and the transmission rate of modulated information is not less than 10Kbits/s。
Optionally, at least 95% light is sent to photovoltaic cell and is powered by the coupling splitter, preferably will be defeated Enter light wave to export according to 99:1 points to two-way.
Optionally, the first optical path beam splitter and the second optical path beam splitter are by the way of fused biconical taper fiber optic bundle It is made.
Compared with the existing technology, the present invention has the advantage that:
1. covering and optical fiber that double-clad laser is utilized realize total road transmission as two transmission channels;
2. related component work can be completed at the same time laser function and signal transmission, nothing in 1060~1600nm wave band Need to be from the optical path of new setting communication band, and device is mature, reduces costs;
3. realizing the one-way transmission from hot side to low potential side, the realization of high potential sensor monitoring power consumption, letter are reduced The speed of 10Kbits/s or so may be implemented in breath transmission rate, meets under Automation of Electric Systems and smart grid application environment Equipment monitoring sensor information return queue, compared with the prior art in bi-directional transmission of information and up to 54Mbits/s biography Defeated rate, hence it is evident that reduce power consumption.
Detailed description of the invention
Fig. 1 is the laser power supply based on doubly clad optical fiber of specific embodiment and altogether road information back system according to the present invention Integral module figure;
Fig. 2 is the schematic diagram of the laser transmitting-receiving module of specific embodiment according to the present invention;
Fig. 3 is the schematic diagram of the sensing detection module of specific embodiment according to the present invention.
The technical characteristic in appended drawing reference the respectively referred to generation in figure are as follows:
101, laser transmitting-receiving module;102, optical fiber transmission module;103, sensing detection module;201, emitting laser; 202, the first optical path beam splitter;203, photodetector;204, heat transfer agent memory;301, the second optical path beam splitter;302, Coupling splitter;303, photovoltaic cell;304, equipment monitoring sensor;305, electrooptic modulator.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched The specific embodiment stated is used only for explaining the present invention rather than limiting the invention.It also should be noted that in order to just Only the parts related to the present invention are shown in description, attached drawing rather than entire infrastructure.
The invention reside in: use doubly clad optical fiber as laser power supply and information back access, respectively in fibre core and covering Middle transmitting two paths light optionally transmits laser function in covering, transmits the signal light of return in fibre core, therefore can be Transmitting two paths light beam in a piece optical fiber.Laser work is in 1060~1600nm wave band, although power is not high enough, covers sensing With communicate common wave band, and relevant light paths element manufacturing is mature, can better control system cost, convenient for the big rule of system Mould, low cost manufacturing, especially suitable under Automation of Electric Systems and smart grid application environment equipment monitoring sensor believe It is only necessary to single channel information backs in breath passback, for the not high occasion of power consumption requirements.
The laser power supply based on doubly clad optical fiber is shown referring to Fig. 1 to Fig. 3, Fig. 1 and is total to the whole of road information back system Module figure, Fig. 2 and Fig. 3 respectively illustrate the schematic diagram of laser transmitting-receiving module and sensor monitoring module therein.
A kind of laser power supply and road information back system, including laser transmitting-receiving module 101 altogether based on doubly clad optical fiber, light Fine transmission module 102 and sensor monitoring module 103, the optical fiber transmission module 102 include doubly clad optical fiber;
Wherein the laser transmitting-receiving module 101 includes the first optical path beam splitter 202, photodetector 203 and sensing letter Memory 204 is ceased, the laser that the emitting laser 201 is launched, i.e. energy light are coupled to via the first optical path beam splitter 202 Emitting all the way toward opposite end in the covering or fibre core in doubly clad optical fiber in optical fiber transmission module 102, in doubly clad optical fiber The received light of other institute all the way in covering or fibre core is transmitted to photodetector 203 via the first optical path beam splitter 202, light Electric explorer 203 obtains electric signal storage heat transfer agent memory 204;
In covering or fibre core in the doubly clad optical fiber all the way toward 103 emitted energy light of sensor monitoring module, it is double The letter for receiving sensor monitoring module 103 all the way and being transmitted to laser transmitting-receiving module 101 in covering or fibre core in cladded-fiber Number light;
The sensor monitoring module 103 includes, coupling splitter 302, photovoltaic cell 303, equipment monitoring sensor 304, With electrooptic modulator 305, wherein the second optical path beam splitter 301 receive doubly clad optical fiber in covering or fibre core in one The energy light on road, and the energy beam is divided into two-way via coupling splitter 302, major part is sent to photovoltaic cell 303 It is powered, fewer parts is sent to electrooptic modulator 305 and is used as signal modulation light, and the photovoltaic cell 303 is to equipment monitoring Sensor 304 is powered, and the equipment monitoring sensor 304 exports transducing signal, is transmitted to electrooptic modulator 305 to described Signal modulation light is modulated, and the modulated signal modulation light is coupled to double-contracting via the second optical path beam splitter 301 The another way in covering or fibre core in layer optical fiber, is back to laser transmitting-receiving module 101.
Therefore, two in the present invention using the covering of doubly clad optical fiber and fibre core as energy light and signal optical transport are led to The total road transmission of laser function and information back has been accomplished on road.
Optionally, the energy light transmits in covering, and the signal modulation light transmits in fibre core.
Wherein, the operation wavelength of the laser, doubly clad optical fiber, photodetector, electrooptic modulator between 1060~ 1600nm wave band.
Therefore, compared to using other wavelength, such as the wavelength of 810~830nm, the system of relevant light paths device of the present invention Make technical maturity, can better control system cost, and mainly used in laser communication be exactly 1550nm wavelength, Relevant communication device is also work in this wavelength.Therefore, the present invention laser different without two-way, it is thus only necessary to 1060~1600nm wave band just can be achieved at the same time laser power supply and information back.
Although the present invention realizes the " single of sensor monitoring information in addition, 1060~1600nm wave band of laser power is slightly lower To " passback, especially meet equipment monitoring sensor information return queue under Automation of Electric Systems and smart grid application environment , it is not necessarily to high power and high speed, transmission speed, such as can be 10Kbits/s, further reduced the requirement to power consumption.
Further, the operation wavelength of laser 201 is less than 3nm, output power between 1060~1600nm, spectral line width Not less than 5W, working method is continuous wave mode.
Further, 203 spectral response range of photodetector in laser transmitting-receiving module 101 is between 1060~1600nm, The photosensitive response time is less than 0.1ms, and corresponding responsive bandwidth is greater than 10KHz.
Further, doubly clad optical fiber operation wavelength is between 1060~1600nm, fibre core numerical aperture between 0.08~0.12, Covering numerical aperture is not less than 0.46, and fibre core is lost@1300nm and is not more than 40dB/km, and cladding loss@1095nm is not more than 15dB/km, sandwich layer diameter is between 10~20um, and cladding diameter is between 130~400um.
Further, 303 operation wavelength of photovoltaic cell in sensor monitoring module 103 is between 1060~1600nm, in this model Quantum efficiency in enclosing can export the power not less than 1W not less than 20% after optical electrical conversion, and this module includes DC boosting Function, for cascaded-output voltage to be risen to 3.3V.
Further, the electrooptic modulator 305 in sensor monitoring module 103 can be adjustable optical attenuator 305, working machine Reason is based on tunable diffraction gratings, and for operation wavelength between 1060~1600nm, operating voltage is greater than 3.3V, attenuation range between 0~ 25dB, response speed are less than 0.1ms, and the transmission rate of modulated information is not less than 10Kbits/s.
At least 95% light is sent to photovoltaic cell 303 and is powered by the coupling splitter, optional real at one It applies in example, input light wave is exported according to 1:99 points to two-way.
In the present invention, the first optical path beam splitter and the second optical path beam splitter can be using fused biconical taper light in the prior art The optical fibre device prepared on the basis of fine beam (Taper Fused Fiber Bundle, TFB).It is that a branch of optical fiber is peelled off painting Then coating is arranged together in a certain way, heating is allowed to melt in high temperature, while stretching optical fiber beam round about, Optical fiber heating region is melted into melting cone fiber beam (for example, can refer toHttps: //baike.baidu.com/item/% E5%85%89%E7%BA%A4%E5%90%88%E6%9D%9F%E5%99%A8/19555601。)。
As can be seen that a kind of above-mentioned laser power supply based on doubly clad optical fiber of the invention and total road from foregoing description Information back system, working principle are specific as follows: the high-power laser 201 in the laser transmitting-receiving module 101 of low potential Continuous light wave is exported, by optical path wave multiplexer 202, the covering of doubly clad optical fiber in optical fiber transmission module 102 is coupled into, is wrapping Hot side is transmitted to by low potential side in layer.Optical path channel-splitting filter 301 in high potential sensor monitoring module 103, by double clad Light wave in fibre cladding extracts, and is transmitted to coupling splitter 302.Coupling splitter 302 will input light wave according to 1:99 points It is exported to two-way, the more branch of luminous energy is coupled into photovoltaic cell 303;The less branch of luminous energy is coupled into variable optical attenuation Device 305.Photovoltaic cell 303 completes the conversion of luminous energy to electric energy, and carries out DC boosting, powers to equipment monitoring sensor 304, Thus in completion system laser power supply function.The electric signal that equipment monitoring sensor 304 exports, is transmitted to adjustable optical attenuator 305, complete the adjustable damping to light wave, such as amplitude modulation.Light modulating signal enters double-contracting by optical path channel-splitting filter coupling 301 The fibre core of layer optical fiber, is transmitted to low potential side by hot side in fibre core.By the light in low potential laser transmitting-receiving module 101 Road wave multiplexer 202, light modulating signal are coupled into photodetector 203, thus complete the function of the road system Zhong Gong information back.
The present invention has merged the relevant technologies progress of optical fiber and fields of light devices, solves Automation of Electric Systems and intelligence The energy supply demand of equipment monitoring sensor under power grid application environment can export the power not less than 1W after conversion;And meeting Under the premise of low-power consumption, the information back of hot side sensor, the rate of information throughput are realized in such a way that optical fiber is total to road Not less than 10Kbits/s.
Compared with the existing technology, the present invention has the advantage that:
1. covering and optical fiber that double-clad laser is utilized realize total road transmission as two transmission channels;
2. related component work can be completed at the same time laser function and signal transmission, nothing in 1060~1600nm wave band Need to be from the optical path of new setting communication band, and device is mature, reduces costs;
3. realizing the one-way transmission from hot side to low potential side, the realization of high potential sensor monitoring power consumption, letter are reduced The speed of 10Kbits/s or so may be implemented in breath transmission rate, meets under Automation of Electric Systems and smart grid application environment Equipment monitoring sensor information return queue, compared with the prior art in bi-directional transmission of information and up to 54Mbits/s biography Defeated rate, hence it is evident that reduce power consumption.
The above content is a further detailed description of the present invention in conjunction with specific preferred embodiments, and it cannot be said that A specific embodiment of the invention is only limitted to this, for those of ordinary skill in the art to which the present invention belongs, is not taking off Under the premise of from present inventive concept, several simple deduction or replace can also be made, all shall be regarded as belonging to the present invention by institute Claims of submission determine protection scope.

Claims (10)

1. a kind of laser power supply based on doubly clad optical fiber and total road information back system, it is characterised in that:
Including laser transmitting-receiving module, optical fiber transmission module and sensor monitoring module, the optical fiber transmission module include double clad light It is fine;
Wherein the laser transmitting-receiving module includes the first optical path beam splitter, photodetector and heat transfer agent memory, described The energy light that emitting laser is launched is coupled in the doubly clad optical fiber in optical fiber transmission module via the first optical path beam splitter Covering perhaps in fibre core all the way toward in covering in opposite end transmitting doubly clad optical fiber or fibre core in addition institute is received all the way For signal modulation light via the first optical path beamsplitter to photodetector, photodetector obtains electric signal storage heat transfer agent Memory;
In covering or fibre core in the doubly clad optical fiber all the way toward sensor monitoring module emitted energy light, doubly clad optical fiber In covering or fibre core in all the way receive sensor monitoring module transfer to laser transmitting-receiving module signal modulation light;
The sensor monitoring module includes coupling splitter, photovoltaic cell, equipment monitoring sensor and electrooptic modulator, wherein The second optical path beam splitter receives the energy light all the way in covering or fibre core in doubly clad optical fiber, and via coupling point The energy beam is divided into two-way by light device, and major part is sent to photovoltaic cell and is powered, and fewer parts is sent to photoelectricity tune Device processed is powered equipment monitoring sensor as signal modulation light, the photovoltaic cell, and the equipment monitoring sensor is defeated Transducing signal out is transmitted to electrooptic modulator and is modulated to the signal modulation light, the modulated signal modulation light warp Covering in doubly clad optical fiber or the another way in fibre core are coupled to by the second optical path beam splitter, are back to laser transmitting-receiving Module.
2. a kind of laser power supply based on doubly clad optical fiber according to claim 1 and total road information back system, special Sign is:
The energy light transmits in covering, and the signal modulation light transmits in fibre core.
3. a kind of laser power supply based on doubly clad optical fiber according to claim 1 or 2 and total road information back system, It is characterized in that:
The laser, the doubly clad optical fiber, the photodetector and the electrooptic modulator operation wavelength between 1060~1600nm wave band.
4. a kind of laser power supply based on doubly clad optical fiber according to claim 3 and total road information back system, special Sign is:
For the operation wavelength of the laser between 1060~1600nm, spectral line width is less than 3nm, and output power is not less than 5W, work Making mode is continuous wave mode.
5. a kind of laser power supply based on doubly clad optical fiber according to claim 3 and total road information back system, special Sign is:
For the photo detector spectral response range between 1060~1600nm, the photosensitive response time is less than 0.1ms, corresponding response Band is wider than 10KHz.
6. a kind of laser power supply based on doubly clad optical fiber according to claim 3 and total road information back system, special Sign is:
The doubly clad optical fiber operation wavelength is between 1060~1600nm, and fibre core numerical aperture is between 0.08~0.12, covering number It is worth aperture and is not less than 0.46, fibre core is lost@1300nm and is not more than 40dB/km, and cladding loss@1095nm is not more than 15dB/km, core Layer diameter is between 10~20um, and cladding diameter is between 130~400um.
7. a kind of laser power supply based on doubly clad optical fiber according to claim 3 and total road information back system, special Sign is:
The photovoltaic cell operation wavelength is between 1060~1600nm, and quantum efficiency within this range is not less than 20%, optical electrical The power not less than 1W can be exported after conversion, and the photovoltaic cell includes DC boosting function, be used for cascaded-output voltage Rise to 3.3V.
8. a kind of laser power supply based on doubly clad optical fiber according to claim 3 and total road information back system, special Sign is:
The electrooptic modulator is adjustable optical attenuator, and operation wavelength is greater than 3.3V, declines between 1060~1600nm, operating voltage Subtract range between 0~25dB, response speed is less than 0.1ms, and the transmission rate of modulated information is not less than 10Kbits/s.
9. a kind of laser power supply based on doubly clad optical fiber according to claim 3 and total road information back system, special Sign is:
At least 95% light is sent to photovoltaic cell and is powered by the coupling splitter, preferably will input light wave according to 99:1, which divides to two-way, to be exported.
10. a kind of laser power supply based on doubly clad optical fiber according to claim 3 and total road information back system, special Sign is:
The first optical path beam splitter and the second optical path beam splitter are made by the way of fused biconical taper fiber optic bundle.
CN201811181729.8A 2018-10-11 2018-10-11 A kind of laser power supply based on doubly clad optical fiber and total road information back system Pending CN109286440A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811181729.8A CN109286440A (en) 2018-10-11 2018-10-11 A kind of laser power supply based on doubly clad optical fiber and total road information back system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811181729.8A CN109286440A (en) 2018-10-11 2018-10-11 A kind of laser power supply based on doubly clad optical fiber and total road information back system

Publications (1)

Publication Number Publication Date
CN109286440A true CN109286440A (en) 2019-01-29

Family

ID=65176848

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811181729.8A Pending CN109286440A (en) 2018-10-11 2018-10-11 A kind of laser power supply based on doubly clad optical fiber and total road information back system

Country Status (1)

Country Link
CN (1) CN109286440A (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110380332A (en) * 2019-07-23 2019-10-25 国网电力科学研究院武汉南瑞有限责任公司 A kind of power can monitor laser energy supply device and its monitoring method
CN110488428A (en) * 2019-07-04 2019-11-22 国网江西省电力有限公司信息通信分公司 A kind of energy transmission system based on energy-transmission optic fibre
CN110715791A (en) * 2019-10-14 2020-01-21 南京工程学院 Optical fiber type laser energy distribution network system and distribution method
CN111327361A (en) * 2020-01-17 2020-06-23 中国科学院半导体研究所 Different wavelength laser signal and energy dual-transmission system
CN112585891A (en) * 2019-06-20 2021-03-30 京瓷株式会社 Optical fiber power supply system and data communication device
CN113965273A (en) * 2021-12-23 2022-01-21 国网江西省电力有限公司信息通信分公司 Laser energy supply method and system of energy-communication common transmission optical fiber
CN114285493A (en) * 2021-12-23 2022-04-05 国网江西省电力有限公司信息通信分公司 Optical fiber information common transmission optimization system
WO2023049714A1 (en) * 2021-09-21 2023-03-30 Raytheon Company Dual-polarization rotationally-insensitive monostatic transceiver with dual cladding fiber

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7941022B1 (en) * 2008-05-06 2011-05-10 Hrl Laboratories, Llc Single fiber optical links for simultaneous data and power transmission
CN201955492U (en) * 2010-11-18 2011-08-31 杭州华威药业有限公司 Doubly clad optical fiber laser coupling device
CN103199927A (en) * 2013-03-13 2013-07-10 西南石油大学 Method and device for parallel transmission of optical fiber energy and optical fiber data
CN107925212A (en) * 2015-08-12 2018-04-17 H·波 For to the two directional pump optical fiber of cladding-pumped fiber transmission energy
CN107947860A (en) * 2017-12-12 2018-04-20 长春理工大学 The energy of full-duplex communication and information combined Transmission system are realized based on fiber-optic vibration

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7941022B1 (en) * 2008-05-06 2011-05-10 Hrl Laboratories, Llc Single fiber optical links for simultaneous data and power transmission
CN201955492U (en) * 2010-11-18 2011-08-31 杭州华威药业有限公司 Doubly clad optical fiber laser coupling device
CN103199927A (en) * 2013-03-13 2013-07-10 西南石油大学 Method and device for parallel transmission of optical fiber energy and optical fiber data
CN107925212A (en) * 2015-08-12 2018-04-17 H·波 For to the two directional pump optical fiber of cladding-pumped fiber transmission energy
CN107947860A (en) * 2017-12-12 2018-04-20 长春理工大学 The energy of full-duplex communication and information combined Transmission system are realized based on fiber-optic vibration

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
MOTOHARU MATSUURA等: "60 W power-over-fiber feed using double-clad fibers for radio-over-fiber systems with optically powered remote antenna units", 《OPTICS LETTERS》 *
王旭东等: "一种新型煤矿井下传感器供电方法研究", 《煤炭工程》 *

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112585891A (en) * 2019-06-20 2021-03-30 京瓷株式会社 Optical fiber power supply system and data communication device
US11137561B2 (en) 2019-06-20 2021-10-05 Kyocera Corporation Power over fiber system and data communication devices
CN112585891B (en) * 2019-06-20 2021-11-30 京瓷株式会社 Optical fiber power supply system and data communication device
CN110488428A (en) * 2019-07-04 2019-11-22 国网江西省电力有限公司信息通信分公司 A kind of energy transmission system based on energy-transmission optic fibre
CN110380332A (en) * 2019-07-23 2019-10-25 国网电力科学研究院武汉南瑞有限责任公司 A kind of power can monitor laser energy supply device and its monitoring method
CN110715791A (en) * 2019-10-14 2020-01-21 南京工程学院 Optical fiber type laser energy distribution network system and distribution method
CN110715791B (en) * 2019-10-14 2021-08-10 南京工程学院 Optical fiber type laser energy distribution network system and distribution method
CN111327361A (en) * 2020-01-17 2020-06-23 中国科学院半导体研究所 Different wavelength laser signal and energy dual-transmission system
WO2023049714A1 (en) * 2021-09-21 2023-03-30 Raytheon Company Dual-polarization rotationally-insensitive monostatic transceiver with dual cladding fiber
CN113965273A (en) * 2021-12-23 2022-01-21 国网江西省电力有限公司信息通信分公司 Laser energy supply method and system of energy-communication common transmission optical fiber
CN114285493A (en) * 2021-12-23 2022-04-05 国网江西省电力有限公司信息通信分公司 Optical fiber information common transmission optimization system
CN114285493B (en) * 2021-12-23 2023-08-11 国网江西省电力有限公司信息通信分公司 Optical fiber energy and information co-transmission optimizing system

Similar Documents

Publication Publication Date Title
CN109286440A (en) A kind of laser power supply based on doubly clad optical fiber and total road information back system
CN113965273B (en) Laser energy supply method and system of energy-communication common transmission optical fiber
CN204089820U (en) optical module performance parameter testing device
CN106253979B (en) A kind of optical signal linear transmission system and Active Electronic Current Transformer
CN102158280A (en) Method for modulating and superposing optical time domain reflectometer (OTDR) testing signals in data transmission optical signals and OTDR testing method
CN202077027U (en) Optical transmission module with OTDR (optical time domain reflectometer) function and optical communication equipment with OTDR function
CN101782533B (en) Laser pollution sensor
CN102853857B (en) Long-distance optical fiber Brillouin optical time-domain analyzer
CN205081787U (en) Light module parameter testing arrangement
CN108900141A (en) A kind of laser power supply communication equipment and its communication means and method of supplying power to
CN208739050U (en) A kind of laser power supply communication equipment
CN205283539U (en) Intelligence luminous power collection system
CN114531202B (en) Optical fiber energy and information co-transmission optimizing system
CN207689364U (en) A kind of spectrum detection device for phase-modulation laser pulse
CN205749637U (en) High voltage line current sensor-based system based on magnetic fluid parcel fiber coupler
CN104535220A (en) Electric power aerial optical cable distributive on-line monitoring device
KR102153742B1 (en) Optical Fiber Based Voltage Sensor and Voltage Monitoring System Using the Same
CN210836548U (en) Online system of electricity consumption information acquisition equipment in no-signal area
CN204359461U (en) A kind of electric aerial optical cable distributed on line monitoring device
Tanaka et al. A wide-area sensor network based on fiber optic power supply
CN201628678U (en) Laser pollution sensor
Sun et al. Electricity Information Collection System based on WDM-RoF-PON
CN110930685A (en) Plastic optical fiber dual-mode collector based on optical fiber interface and LoRa interface
CN208921320U (en) A kind of distributed demodulation expanding unit
CN205620458U (en) Measurement system is mended to cluster

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20190129