CN202794616U - Optical active coupling system for optical module - Google Patents
Optical active coupling system for optical module Download PDFInfo
- Publication number
- CN202794616U CN202794616U CN 201220378885 CN201220378885U CN202794616U CN 202794616 U CN202794616 U CN 202794616U CN 201220378885 CN201220378885 CN 201220378885 CN 201220378885 U CN201220378885 U CN 201220378885U CN 202794616 U CN202794616 U CN 202794616U
- Authority
- CN
- China
- Prior art keywords
- module
- light
- coupled
- optical
- response current
- 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.)
- Withdrawn - After Issue
Links
Images
Landscapes
- Optical Couplings Of Light Guides (AREA)
Abstract
The utility model discloses an optical active coupling system for an optical module, which comprises a coupled optical module and a coupling optical module. The coupling optical module comprises a light receiving unit, a response current detecting module and a MCU (Micro Controller Unit), wherein a photoelectric diode of the light receiving unit generates corresponding response current after detecting a optical signal transmitted by the coupled optical module; the response current detecting module is used for receiving the response current output from the photoelectric diode and outputting corresponding voltage from a voltage output end thereof according to the input response current; the MCU detects the voltage output by the response current detecting module and calculates optical power of the optical signal transmitted from a laser transmitting light source of the coupled optical module according to the detected voltage, and the optical power is used as basis for optical active coupling of the light transmitted by the coupled optical module. An optical power meter is saved during coupling because the optical power of the laser transmitted by the coupled optical module is tested by utilizing the laser receiving function of the coupling optical module, besides, fussy operations of inserting and pulling optical fibers, connecting the power meter and the like are avoided, and simple operation is realized.
Description
Technical field
The utility model relates to Fibre Optical Communication Technology, relates in particular to the active coupled system of a kind of optical module light.
Background technology
Present home market and international market have begun to use with the optical fiber communication direction that multiple business is merged with a large bandwidth and at a high rate.Optical module is device crucial in the optical-fiber network, and for example, 4 channel parallel optics QSFP+ transceiver modules are used widely in the 40G Ethernet.
Coupling is one of critical process of optical module, and the effect of coupling directly affects the performance of optical module emergent light.The coupling process of parallel light transceiving module is: allow Optical Transmit Unit (VCSEL Array), light receiving unit (pin-PD Array) with light transmission path (mainly being optical fiber) better light transmission path be arranged, thereby carry out the position alignment of optical fiber and Optical Transmit Unit, or the process of the position alignment of optical fiber and light receiving unit.
The active quality of judging coupling by the characteristics of light behind path transmission that is coupled as of light.The active coupling process of the light of prior art as shown in Figure 1, the luminous power of the laser of Laser emission light source (VCSEL among Fig. 1) emission in the Optical Transmit Unit that needs to adopt the light power meter measurement to treat the coupling light module, adjust the relative position of optical fiber and Optical Transmit Unit according to the luminous power of light power meter measurement, whether suitable to confirm " emission light path ", reach the purpose that utilizing emitted light is coupled; In the active coupling process of the light of prior art, also adopt reometer to measure photodiode (PD among Fig. 1) and detect the electric current that produces behind the light signal, adjust the relative position of optical fiber and light receiving unit according to the electric current of reometer measurement, whether suitable to confirm " receiving light path ", reach the purpose that receives optically-coupled.
Optical module for multidiameter delay light transmitting-receiving is tested, then as shown in Figure 2, need to treat multi-channel optical fibre that the coupling light module is connected in access light power meter, the luminous power of the laser of being launched with measurement multi-path laser transmitting illuminant; And other with treat optical fiber that the coupling light module is connected in access light source, the laser of light source emission is fed to each road photodiode for the treatment of the coupling light module, measures each road photodiode by reometer again and detects the electric current that produces behind the light signal.
In the prior art, optical module is being carried out in the process of the active coupling of light, need plug optical fiber, access light power meter to carry out the coupling of light path with the electric current of measuring luminous power, measuring the photodiode generation with reometer one tunnel one road ground, complex operation, complexity cause testing efficiency low.
The utility model content
Embodiment of the present utility model provides the active coupled system of a kind of optical module light and method, in order to optical module is carried out the active coupling of light more conveniently, improves the active coupling efficiency of light of optical module.
According to an aspect of the present utility model, provide a kind of optical module light active coupled system, comprising: be coupled optical module and coupling light module; Described coupling light module links to each other by optical fiber with the described optical module that is coupled, and the described light signal that is coupled the Laser emission light source emission of optical module arrives described coupling light module by described Optical Fiber Transmission; Comprise in the described coupling light module:
Light receiving unit, its photodiode produce corresponding response current after detecting the described light signal that is coupled optical module emission;
The response current detection module, its current input terminal links to each other with the negative electrode of the photodiode of described light receiving unit, in order to receiving from the response current of described photodiode output, and exports corresponding voltage according to the response current of input from its voltage output end;
MCU, its voltage input end links to each other with the voltage output end of described response current detection module, in order to detect the voltage of described response current detection module output, and calculate the luminous power of the light signal of the described Laser emission light source emission that is coupled optical module according to the voltmeter that detects, the foundation of carrying out the active coupling of light as the described utilizing emitted light that is coupled optical module.
Further, described coupling light module also comprises:
Optical Transmit Unit, the light signal of its Laser emission light source emission through described Optical Fiber Transmission to the described optical module that is coupled; The described photodiode that is coupled in the optical module produces corresponding response current after detecting light signal;
The described negative electrode that is coupled the photodiode in the optical module links to each other with the described current input terminal that is coupled the response current detection module in the optical module, and the described response current that is coupled the photodiode output of optical module flow into the described response current detection module that is coupled optical module; The described response current detection module that is coupled optical module is exported corresponding voltage according to the response current of input from its voltage output end in order to after receiving response current;
The described voltage input end that is coupled the MCU in the optical module links to each other with the described voltage output end that is coupled the response current detection module of optical module, in order to detect the described voltage that is coupled the response current detection module output of optical module, and calculate the described response current that is coupled the photodiode output the optical module according to the voltmeter that detects from its voltage input end, the foundation of carrying out the active coupling of light as the described reception light that is coupled optical module.
Described system also comprises:
The measurement data deriving means links to each other with MCU in the described coupling light module, and the luminous power that calculates in order to the MCU that obtains in the described coupling light module records, shows or adds up.
Described measurement data deriving means also links to each other with the described MCU that is coupled in the optical module, records, shows or add up in order to obtain the response current that the described MCU that is coupled in the optical module calculates.
Preferably, the described optical module that is coupled is the multidiameter delay optical transceiver module; And
Light receiving unit in the described coupling light module and response current detection module are multichannel, and the photodiode in each the road light receiving unit in the described coupling light module is surveyed respectively the light signal of each road Laser emission light source emission of described multidiameter delay optical transceiver module;
MCU in the described coupling light module is according to the voltage of the voltage output end output of each the response current detection module that detects, calculate respectively luminous power, the foundation that each luminous power is carried out the active coupling of light as each road utilizing emitted light of described multidiameter delay optical transceiver module respectively.
Optical Transmit Unit in the described coupling light module also is multichannel, and
Each road photodiode in the described multidiameter delay optical transceiver module is surveyed respectively the light signal of the Laser emission light source emission of each the road Optical Transmit Unit in the described coupling light module;
MCU in the described multidiameter delay optical transceiver module is according to the voltage of the voltage output end output of each the response current detection module that detects, calculate respectively response current, each response current receives the foundation that light carries out the active coupling of light as each road of described multidiameter delay optical transceiver module respectively.
Be coupled owing to having adopted the coupling light module that also has the laser pick-off function to assist in the active coupled system of optical module light of the utility model embodiment, thereby the laser pick-off function that can utilize the coupling light module is tested the luminous power of the laser that is coupled the optical module emission, in coupling process, can save light power meter thus, and need not carry out the troublesome operation such as optical fiber plug, connection power meter, only need to be coupled optical module with optical fiber and be connected with the coupling light module.In fact, be coupled on optical module and the coupling light module and all can possess the optical fiber socket, the optical fiber that can use easily two ends to have plug connects.
Be coupled owing to having adopted the coupling light module that also has the Laser emission function to assist in the active coupled system of optical module light of the utility model embodiment, thereby can utilize the Laser emission function of coupling light module to come subtest to be coupled the size of current that produces behind the optical module reception laser as light source, can read out by the MCU that is coupled optical module self and be coupled the size of current that produces behind the optical module reception laser, in coupling process, reometer can be saved thus, and the troublesome operation such as reometer need not be connected.
Description of drawings
Fig. 1,2 synoptic diagram that optical module is carried out the active coupling of light for prior art;
Fig. 3 is the synoptic diagram of the active coupled system of optical module light of the utility model embodiment;
Fig. 4 is the internal circuit block diagram of the coupling light module of the utility model embodiment;
Fig. 5 is the measurement luminous power of the utility model embodiment, and carries out active coupled method process flow diagram according to the luminous power of measuring;
Fig. 6 is that the measurement photodiode of the utility model embodiment detects the electric current that produces behind the light signal, and carries out active coupled method process flow diagram according to the electric current of measuring.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, referring to accompanying drawing and enumerate preferred embodiment, the utility model is further described.Yet, need to prove that many details of listing in the instructions only are in order to make the reader to one or more aspects of the present utility model a thorough understanding be arranged, even if there are not these specific details also can realize these aspects of the present utility model.
The terms such as " module " used in this application, " system " are intended to comprise the entity relevant with computing machine, such as but not limited to hardware, firmware, combination thereof, software or executory software.For example, module can be, but be not limited in: the thread of the process of moving on the processor, processor, object, executable program, execution, program and/or computing machine.
Describe the technical scheme of the utility model embodiment in detail below in conjunction with accompanying drawing.The active coupled system of optical module light that the utility model embodiment provides as shown in Figure 3, comprising: be coupled optical module 301, coupling light module 302 and measurement data deriving means 303.
Being coupled optical module 301 and coupling light module 302 links to each other by optical fiber; Measurement data deriving means 303 links to each other with the MCU that is coupled optical module 301, in order to communicate by letter with the MCU that is coupled optical module 301.
The inner structure of coupling light module 302 comprises as shown in Figure 4: Optical Transmit Unit 411, light receiving unit 412, response current detection module 413, MCU(Microprogrammed Control Unit, mini program controlling unit) 414.
The luminous power of the laser of launching according to the Laser emission light source that is coupled optical module 301 is carried out the process flow diagram of active coupling process, as shown in Figure 5, comprises the steps:
S501: after being coupled the Laser emission source emissioning light signal of optical module 301, the light signal that is coupled the Laser emission light source emission of optical module 301 arrives coupling light module 302 through Optical Fiber Transmission.
S502: the photodiode in the light receiving unit 412 detects the corresponding response current Ipd of light signal generating.
Particularly, include photodiode in the light receiving unit 412 of coupling light module 302; After coupling light module 302 received the light signal that is coupled optical module 301 emissions, the photodiode in the light receiving unit 412 detected the corresponding response current Ipd of light signal generating.
S503: response current detection module 413 receives Ipd, and exports corresponding voltage according to the Ipd of input from its voltage output end.
Particularly, the negative electrode of the photodiode in the light receiving unit 412 links to each other with the current input terminal of response current detection module 413, and the Ipd of photodiode output flow into response current detection module 413.Response current detection module 413 is in order to receiving Ipd, and exports corresponding voltage according to the Ipd of input from its voltage output end.That is to say that the voltage of response current detection module 413 outputs changes with the change of the Ipd of input, particularly, both can be relations in direct ratio.In other words, the voltage of response current detection module 413 outputs can reflect the Ipd of input, and then also just can reflect the power of the light signal that photodiode is surveyed, also just reflect the luminous power of the light signal of the Laser emission light source emission that is coupled optical module 301.
The circuit that the physical circuit of response current detection module 413 can adopt those skilled in the art to commonly use, such as, response current detection module 413 specifically can be a resistance, one termination power ground of resistance, the negative electrode of the photodiode in the other end and the light receiving unit 412 links to each other, and an end that links to each other with the negative electrode of photodiode in the light receiving unit 412 can be used as the voltage output end of response current detection module 413.
Perhaps, the physical circuit of response current detection module 413 can be the circuit that comprises current mirror circuit and resistance.The negative electrode of the photodiode in the current input terminal of current mirror circuit and the light receiving unit 412 links to each other, and the image current output terminal of current mirror circuit is by resistance access power supply ground; The image current output terminal of current mirror circuit can be used as the voltage output end of response current detection module 413.
S504:MCU414 calculates the response current Ipd that photodiode is exported according to the voltmeter that detects from its voltage input end, also can calculate the power of the light signal of photodiode detection.
Particularly, the voltage input end of MCU414 is connected with the voltage output end of response current detection module 413, in order to detect the voltage of response current detection module 413 outputs.The voltage of exporting owing to response current detection module 413 can reflect the Ipd of input, that is can reflect the luminous power of the light signal of the Laser emission light source emission that is coupled optical module 301; Therefore, MCU414 can calculate according to the voltmeter that detects from its voltage input end the response current Ipd of photodiode output, also can calculate the power of the light signal of photodiode detection.Because in test, it is not long to be coupled the optical fiber that is connected between optical module 301 and the coupling light module 302, usually within 1m, therefore, the loss of luminous power in Optical Fiber Transmission almost can be ignored, therefore, the luminous power of the light signal surveyed of the photodiode that calculates of MCU414 that is be coupled the luminous power of the light signal that the Laser emission light source of optical module 301 launches.
The luminous power that MCU414 calculates can be used as the foundation of the relative position of Laser emission light source in the Optical Transmit Unit that follow-up adjustment is coupled optical module 301 and optical fiber.That is to say that the luminous power that calculates according to MCU414 is coupled the adjustment of the relative position of Laser emission light source in the Optical Transmit Unit of optical module 301 and optical fiber; The luminous power that MCU414 calculates is carried out the foundation of the active coupling of light as the utilizing emitted light that is coupled optical module, can be coupled in the optical fiber preferably so that be coupled the utilizing emitted light of optical module 301.Because how be coupled the adjustment of the relative position of the Laser emission light source of optical module 301 and optical fiber according to the luminous power of measuring, the technology that is well known to those skilled in the art repeats no more herein.
S505: measurement data deriving means 303 obtains response current or the luminous power that MCU414 calculates from MCU414 and records, shows, stores or add up.
Particularly, measurement data deriving means 303 links to each other with the MCU414 of coupling light module 302, communicates by letter in order to the MCU414 with coupling light module 302, for example, communicates by letter with MCU414 by iic bus or other bus.Measurement data deriving means 303 can obtain response current or the luminous power that MCU414 calculates from MCU414 and show, stores or add up.Measurement data deriving means 303 can be the thread of operation process, object, executable program, execution, processor and/or the computing machine of program.
Measurement data deriving means 303 can record, show, store or add up response current or the luminous power that MCU414 calculates, with as the commissioning staff of optical module in carrying out the active coupling process of optical module, adjust the foundation of the relative position of the Laser emission light source that is coupled optical module 301 and optical fiber.
S506: the luminous power that calculates according to MCU414, or the luminous power obtained of measurement data deriving means 303, adjust and be coupled the Laser emission light source of optical module 301 and the relative position of optical fiber, carry out active coupling with the utilizing emitted light to coupling light module 301.
The photodiode that is coupled optical module 301 detects the flow process of the measuring method of the electric current that produces behind the light signal, as shown in Figure 6, comprises the steps:
S601: behind the Laser emission source emissioning light signal in the Optical Transmit Unit 411 of coupling light module 302, the light signal of the Laser emission light source of coupling light module 302 emission arrives through Optical Fiber Transmission and is coupled optical module 301.
S602: after being coupled the light signal that optical module 301 receives coupling light module 302 emission, the photodiode that is coupled in the optical module 301 detects the corresponding response current Ipd of light signal generating;
S603: the response current detection module that is coupled in the optical module 301 detects Ipd, and exports corresponding voltage according to the Ipd of input from its voltage output end.
Particularly, the negative electrode that is coupled the photodiode in the optical module 301 links to each other with the current input terminal of response current detection module in being coupled optical module 301, and the Ipd of photodiode output flow into the response current detection module.Be coupled response current detection module in the optical module 301 in order to receiving Ipd, and export corresponding voltage according to the Ipd of input from its voltage output end.
S604: be coupled MCU in the optical module 301 calculates the photodiode output that is coupled the optical module 301 according to the voltmeter that detects from its voltage input end response current Ipd.
Particularly, the voltage input end that is coupled MCU in the optical module 301 is connected with the voltage output end of response current detection module in being coupled optical module 301, is coupled the voltage of the response current detection module output in the optical module 301 in order to detection.The MCU that is coupled in the optical module 301 calculates the response current Ipd of the photodiode output that is coupled the optical module 301 according to the voltmeter that detects from its voltage input end, that is the photodiode that is coupled optical module 301 detects the electric current that produces behind the light signal.
Be coupled the foundation that response current that the MCU in the optical module 301 calculates can be used as the relative position of photodiode in the light receiving unit that follow-up adjustment is coupled optical module 301 and optical fiber.That is to say that the response current that calculates according to the MCU that is coupled in the optical module 301 is coupled the adjustment of the relative position of photodiode in the light receiving unit of optical module 301 and optical fiber; Being coupled response current that the MCU in the optical module 301 calculates carries out the foundation of the active coupling of light as the described reception light that is coupled optical module and can receive preferably the light signal that transmits so that be coupled optical module 301 from optical fiber.Because how be coupled the adjustment of the relative position of photodiode in the light receiving unit of optical module 301 and optical fiber according to the electric current of measuring, the technology that is well known to those skilled in the art repeats no more herein.
S605: measurement data deriving means 303 obtains the response current that MCU calculates from the MCU that is coupled optical module 301 and records, shows, stores or add up.
Particularly, measurement data deriving means 303 links to each other with the MCU that is coupled optical module 301, in order to communicate by letter with the MCU that is coupled optical module 301, for example, communicates by letter with the MCU that is coupled optical module 301 by iic bus.Measurement data deriving means 303 can obtain from the MCU that is coupled optical module 301 response current that MCU calculates and show, stores or add up.
The response current that measurement data deriving means 303 can calculate the MCU that is coupled in the optical module 301 records, shows, stores or adds up, with as the commissioning staff of optical module in carrying out the active coupling process of optical module, adjust the foundation of the relative position of photodiode in the light receiving unit that is coupled optical module 301 and optical fiber.
S606: the response current that calculates according to the MCU that is coupled in the optical module 301, or the response current that obtains of measurement data deriving means 303, adjustment is coupled photodiode in the light receiving unit of optical module 301 and the relative position of optical fiber, so that the reception light that is coupled optical module 301 is carried out active coupling.
In fact, the internal circuit of coupling light module 302 can be with to be coupled optical module 301 just the same, and the internal circuit of optical module commonly used is identical in the internal circuit that is coupled optical module 301 and the existing passive optical-fiber network, repeats no more herein.
If be coupled optical module and be the optical module of multichannel transmitting-receiving, such as the multidiameter delay optical transceiver module, then can comprise multi-path light transmitter unit 411, light receiving unit 412, response current detection module 413 in the coupling light module 302.Wherein, each the road Optical Transmit Unit 411 in the coupling light module 302 is corresponding with each the road light receiving unit difference in being coupled optical module; Each road light receiving unit 412 in the coupling light module 302 is corresponding with each the road Optical Transmit Unit difference in being coupled optical module.
The negative electrode of the photodiode in the every road light receiving unit 412 in the coupling light module 302 all links to each other with the current input terminal of a response current detection module 413, and the voltage output end of each response current detection module 413 is connected to the MCU414 of coupling light module 302.MCU414 is according to the voltage of the voltage output end output of each the response current detection module 413 that detects, and calculates respectively the luminous power of laser of the Laser emission light source emission of each the road Optical Transmit Unit that is coupled in the optical module; The foundation that each luminous power that calculates is carried out the active coupling of light as each the road utilizing emitted light that is coupled optical module 301 respectively.
The negative electrode that is coupled the photodiode in the every road light receiving unit in the optical module 301 all links to each other with a current input terminal that is coupled response current detection module in the optical module 301, and the voltage output end of each response current detection module is connected to the MCU that is coupled in the optical module 301.Be coupled the voltage that the MCU in the optical module 301 exports according to the voltage output end of each the response current detection module that detects, calculate respectively the response current that the photodiode in the every road light receiving unit that is coupled in the optical module 301 produces; Each response current that calculates receives the foundation that light carries out the active coupling of light as each road that is coupled optical module 301 respectively.
Measurement is coupled the light signal that every road Laser emission light source of optical module 301 is launched, and carries out coupled method according to the luminous power of measuring and be:
Be coupled the light signal that each the road Laser emission light source in the optical module 301 launches and arrive coupling light module 302 through Optical Fiber Transmission;
Photodiode in each road light receiving unit 412 in the coupling light module 302 is surveyed respectively the light signal that each road Laser emission light source of being coupled in the optical module 301 is launched, and produces corresponding response current Ipd.
The luminous power that is coupled the light signal that the Laser emission light source in the optical module 301 launches of measuring method survey to(for) the photodiode in one road light receiving unit 412 wherein is identical with above-mentioned steps S501-S505, repeats no more herein.
According to the luminous power that is coupled the light signal that the every road Laser emission light source in the optical module 301 launches of measuring, adjustment is coupled Laser emission light source in every road Optical Transmit Unit in the optical module 301 and the relative position of optical fiber, so that the every road utilizing emitted light that is coupled optical module 301 is carried out active coupling.
Every road photodiode that measurement is coupled optical module 301 detects the electric current that produces behind the light signal, and carries out coupled method according to the electric current of measuring and be:
The light signal that the Laser emission light source of each the road Optical Transmit Unit 411 in the coupling light module 302 is launched arrives through Optical Fiber Transmission and is coupled optical module 301.
Being coupled each road photodiode in the optical module 301 surveys respectively the light signal that each road Optical Transmit Unit 411 launches and produces corresponding response current Ipd.
To detect the measuring method of the electric current that light signal that Optical Transmit Unit 411 launches produces identical with above-mentioned steps S601-S605 for being coupled road photodiode in the optical module 301, repeats no more herein.
The electric current that produces according to the photodiode in the every road light receiving unit that is coupled optical module 301 of measuring, adjustment is coupled photodiode in every road light receiving unit in the optical module 301 and the relative position of optical fiber, receives light with the every road to coupling light module 301 and carries out active coupling.
Those skilled in the art can be according to above-mentioned disclosed technology contents, the active coupling of light of easy realization multidiameter delay optical transceiver module.
In actual applications, being coupled optical module 301 usually is installed in and carries out active coupling on the tooling device, tooling device can provide power supply for being coupled optical module 301, perhaps can communicate with the MCU that is coupled on the optical module 301, be coupled the duty of optical module 301 or adjust parameter with control.
Similarly, coupling light module 302 also is installed on the tooling device usually, and tooling device can provide power supply for coupling light module 302, perhaps can with coupling light module 302 on MCU communicate, with the duty of control coupling light module 302 or adjust parameter.
Test owing to having adopted the coupling light module that also has the laser pick-off function to assist in the active coupled system of optical module light of the utility model embodiment, thereby the laser pick-off function that can utilize the coupling light module is tested the luminous power of the laser that is coupled the optical module emission, in coupling process, can save light power meter thus, and need not carry out the optical fiber plug, connect the troublesome operation such as power meter, only needing will to be coupled optical module with optical fiber is connected with the coupling light module, simple to operate, can more convenient ground test light module, improve the testing efficiency of optical module.In fact, be coupled on optical module and the coupling light module and all can possess the optical fiber socket, the optical fiber (as shown in Figure 3) that can use easily two ends to have plug connects.
Be coupled owing to having adopted the coupling light module that also has the Laser emission function to assist in the active coupled system of optical module light of the utility model embodiment, thereby can utilize the Laser emission function of coupling light module to come subtest to be coupled the size of current that produces behind the optical module reception laser as light source, can read out by the MCU that is coupled optical module self and be coupled the size of current that produces behind the optical module reception laser, in coupling process, reometer can be saved thus, and the troublesome operation such as reometer need not be connected.
One of ordinary skill in the art will appreciate that all or part of step that realizes in above-described embodiment method is to come the relevant hardware of instruction to finish by program, this program can be stored in the computer read/write memory medium, as: ROM/RAM, magnetic disc, CD etc.
The above only is preferred implementation of the present utility model; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (8)
1. the active coupled system of optical module light comprises: be coupled optical module and coupling light module; Described coupling light module links to each other by optical fiber with the described optical module that is coupled, and the described light signal that is coupled the Laser emission light source emission of optical module arrives described coupling light module by described Optical Fiber Transmission; Comprise in the described coupling light module:
Light receiving unit, its photodiode produce corresponding response current after detecting the described light signal that is coupled optical module emission;
The response current detection module, its current input terminal links to each other with the negative electrode of the photodiode of described light receiving unit, in order to receiving from the response current of described photodiode output, and exports corresponding voltage according to the response current of input from its voltage output end;
MCU, its voltage input end links to each other with the voltage output end of described response current detection module, in order to detect the voltage of described response current detection module output, and calculate the luminous power of the light signal of the described Laser emission light source emission that is coupled optical module according to the voltmeter that detects, the foundation of carrying out the active coupling of light as the described utilizing emitted light that is coupled optical module.
2. the system as claimed in claim 1 is characterized in that, described coupling light module also comprises:
Optical Transmit Unit, the light signal of its Laser emission light source emission through described Optical Fiber Transmission to the described optical module that is coupled; The described photodiode that is coupled in the optical module produces corresponding response current after detecting light signal;
The described negative electrode that is coupled the photodiode in the optical module links to each other with the described current input terminal that is coupled the response current detection module in the optical module, and the described response current that is coupled the photodiode output of optical module flow into the described response current detection module that is coupled optical module; The described response current detection module that is coupled optical module is exported corresponding voltage according to the response current of input from its voltage output end in order to after receiving response current;
The described voltage input end that is coupled the MCU in the optical module links to each other with the described voltage output end that is coupled the response current detection module of optical module, in order to detect the described voltage that is coupled the response current detection module output of optical module, and calculate the described response current that is coupled the photodiode output the optical module according to the voltmeter that detects from its voltage input end, the foundation of carrying out the active coupling of light as the described reception light that is coupled optical module.
3. system as claimed in claim 1 or 2 is characterized in that, also comprises:
The measurement data deriving means links to each other with MCU in the described coupling light module, and the luminous power that calculates in order to the MCU that obtains in the described coupling light module records, shows or adds up.
4. system as claimed in claim 3 is characterized in that,
Described measurement data deriving means also links to each other with the described MCU that is coupled in the optical module, records, shows or add up in order to obtain the response current that the described MCU that is coupled in the optical module calculates.
5. system as claimed in claim 4 is characterized in that, the described optical module that is coupled is the multidiameter delay optical transceiver module; And
Light receiving unit in the described coupling light module and response current detection module are multichannel, and the photodiode in each the road light receiving unit in the described coupling light module is surveyed respectively the light signal of each road Laser emission light source emission of described multidiameter delay optical transceiver module;
MCU in the described coupling light module is according to the voltage of the voltage output end output of each the response current detection module that detects, calculate respectively luminous power, the foundation that each luminous power is carried out the active coupling of light as each road utilizing emitted light of described multidiameter delay optical transceiver module respectively.
6. system as claimed in claim 5 is characterized in that, the Optical Transmit Unit in the described coupling light module also is multichannel, and
Each road photodiode in the described multidiameter delay optical transceiver module is surveyed respectively the light signal of the Laser emission light source emission of each the road Optical Transmit Unit in the described coupling light module;
MCU in the described multidiameter delay optical transceiver module is according to the voltage of the voltage output end output of each the response current detection module that detects, calculate respectively response current, each response current receives the foundation that light carries out the active coupling of light as each road of described multidiameter delay optical transceiver module respectively.
7. system as claimed in claim 4 is characterized in that, the response current detection module of described coupling light module is specially resistance; One termination power ground of described resistance, the negative electrode of the photodiode in the light receiving unit of its other end and described coupling light module links to each other; Wherein, an end that links to each other with the negative electrode of photodiode in the light receiving unit of described coupling light module is the voltage output end of the response current detection module of described coupling light module.
8. system as claimed in claim 4 is characterized in that, the response current detection module of described coupling light module specifically comprises current mirror circuit and resistance;
The negative electrode of the photodiode in the light receiving unit of the current input terminal of described current mirror circuit and described coupling light module links to each other, and the image current output terminal of described current mirror circuit is by described resistance access power supply ground; The image current output terminal of described current mirror circuit is the voltage output end of the response current detection module of described coupling light module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220378885 CN202794616U (en) | 2012-07-31 | 2012-07-31 | Optical active coupling system for optical module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220378885 CN202794616U (en) | 2012-07-31 | 2012-07-31 | Optical active coupling system for optical module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202794616U true CN202794616U (en) | 2013-03-13 |
Family
ID=47821856
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220378885 Withdrawn - After Issue CN202794616U (en) | 2012-07-31 | 2012-07-31 | Optical active coupling system for optical module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202794616U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102768389A (en) * | 2012-07-31 | 2012-11-07 | 青岛海信宽带多媒体技术有限公司 | Light active coupling system and method of optical module |
-
2012
- 2012-07-31 CN CN 201220378885 patent/CN202794616U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102768389A (en) * | 2012-07-31 | 2012-11-07 | 青岛海信宽带多媒体技术有限公司 | Light active coupling system and method of optical module |
| CN102768389B (en) * | 2012-07-31 | 2015-01-21 | 青岛海信宽带多媒体技术有限公司 | Light active coupling system and method of optical module |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103051379B (en) | A kind of optical module debug system | |
| CN105444990B (en) | A kind of dynamic corrections device and method of test light insertion loss and Optical Return Loss | |
| CN202145160U (en) | Optical time domain reflectometer | |
| CN104569741A (en) | Transmission line fault location method based on optical fiber composite overhead ground wire | |
| CN102843190B (en) | optical module and optical module chip thereof | |
| CN203908558U (en) | Test system of fiber-optic ring for fiber-optic gyroscope | |
| CN102957977A (en) | Passive optical network and optical time domain detector optical module thereof | |
| CN102768389B (en) | Light active coupling system and method of optical module | |
| CN205081787U (en) | Light module parameter testing arrangement | |
| CN102384840B (en) | System for testing jumper wire with MPO connector | |
| CN202794620U (en) | Four-path receiving-transmitting optical device | |
| CN202794616U (en) | Optical active coupling system for optical module | |
| CN102761375A (en) | Optical line terminal optical terminal used in Gigabit passive optical network | |
| CN201293853Y (en) | Optical module capable of transmitting multipath optical signals | |
| CN202872790U (en) | System using mode multiplexing of multimode optical fiber to simultaneously transmit a plurality of signals | |
| CN102761366B (en) | Be applied to the optical line terminal optical module in ten gigabit passive optical networks | |
| CN208433972U (en) | A kind of 25G 40km SFP+ optical module | |
| CN208299802U (en) | A kind of 100G 10km QSFP28 optical module | |
| CN106533546B (en) | A kind of optimization optical time domain reflectometer | |
| CN208433971U (en) | A kind of 56G BIDI 40km SFP-DD optical module | |
| CN102761367A (en) | Optical line terminal optical module | |
| CN104935376A (en) | Optical power measuring device | |
| CN103078676A (en) | Passive compatible optical network and optical-network-unit optical module thereof | |
| CN208140986U (en) | A kind of optical transceiver module for AOC active optical cable | |
| CN103166700A (en) | Passive optical network and optical network unit optical module thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130313 Effective date of abandoning: 20150121 |
|
| RGAV | Abandon patent right to avoid regrant |