CN107566034A - A kind of monitoring system and monitoring method of SR4 optical modules transmission power - Google Patents
A kind of monitoring system and monitoring method of SR4 optical modules transmission power Download PDFInfo
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- CN107566034A CN107566034A CN201710935322.9A CN201710935322A CN107566034A CN 107566034 A CN107566034 A CN 107566034A CN 201710935322 A CN201710935322 A CN 201710935322A CN 107566034 A CN107566034 A CN 107566034A
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 52
- 230000003287 optical effect Effects 0.000 title claims abstract description 37
- 238000000034 method Methods 0.000 title claims abstract description 18
- 230000005540 biological transmission Effects 0.000 title abstract description 7
- 238000012806 monitoring device Methods 0.000 claims abstract description 33
- 239000010409 thin film Substances 0.000 claims description 8
- 239000007888 film coating Substances 0.000 claims description 5
- 238000009501 film coating Methods 0.000 claims description 5
- 230000032683 aging Effects 0.000 abstract description 3
- 230000008859 change Effects 0.000 abstract description 3
- 230000007306 turnover Effects 0.000 abstract 1
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 239000010408 film Substances 0.000 description 3
- 239000013307 optical fiber Substances 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 238000002834 transmittance Methods 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
- H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
- H04B10/071—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using a reflected signal, e.g. using optical time domain reflectometers [OTDR]
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Optical Couplings Of Light Guides (AREA)
- Optical Communication System (AREA)
Abstract
The present invention relates to art of optical transceivers, more particularly to a kind of monitoring system and monitoring method of SR4 optical modules transmission power, including emitter, monitoring device light-dividing device, first reflection unit and master control set, the emitter sends inputs light beam to light-dividing device, inputs light beam is split by the light-dividing device, wherein inputs light beam is inputted to the first reflection unit all the way, and monitoring device is reflexed to by the first reflection unit, the monitoring device receives the reflected beams and detects the power parameter of the reflected beams, the power parameter of the reflected beams is sent to master control set, the master control set controls the transmission power of emitter according to the power parameter of the reflected beams.The present invention realizes light path beam splitting and turnover in SR4 optical modules, and by detecting the reflected beams control transmitting light beam, realizes the direct monitoring to transmission power, avoid as device aging or temperature change influence monitoring.
Description
Technical Field
The invention relates to the field of optical transceivers, in particular to a monitoring system and a monitoring method for transmitting power of an SR4 optical module.
Background
Currently, unlike the concern for spectral efficiency and distance-bit rate products in long-haul networks, where the optical fiber used to connect the servers is only a few meters to a few kilometers in the internal network of a high throughput data center, there is much concern for inter-site interconnection via high-rate short-haul fiber modules.
In the conventional SR4 optical module (4-channel parallel-optical-module for short-distance optical modules, 4-channel short-distance optical modules), four transceiver chips are generally integrated on a PCB, and the single-channel rate is 25Gbps, which can achieve a total rate of 100 Gbps. In this type of device, the transmitter power is calculated by sensing the operating current of the transmitter. However, this approach fails as the SR4 optical module ages and changes in temperature.
Therefore, designing a monitoring system and a monitoring method for realizing optical path splitting and turning in an SR4 optical module and controlling a transmitted light beam by detecting partial reflected light beam power has been one of the issues of intensive research by those skilled in the art.
Disclosure of Invention
The technical problem to be solved by the present invention is to provide a monitoring system for SR4 optical module transmitting power, which realizes optical path splitting and turning in the SR4 optical module, and realizes the goal of controlling the transmitting beam power by detecting part of the reflected beam power.
The technical problem to be solved by the present invention is to provide a method for monitoring the emission power of an SR4 optical module, which implements optical path splitting and turning in an SR4 optical module, and implements the objective of controlling the emission beam power by detecting a part of the reflected beam power.
In order to solve the technical problem, the invention provides a monitoring system of the transmitting power of an SR4 optical module, which comprises a transmitting device and a monitoring device, wherein the transmitting device transmits an input light beam, the monitoring device receives a reflected light beam, the monitoring system also comprises a beam splitting device for splitting the beam, a first reflecting device for reflecting and a main control device, and the main control device is respectively connected with the transmitting device and the monitoring device; the transmitting device sends an input light beam to the light splitting device, the light splitting device splits the input light beam, one path of the input light beam is input to the first reflecting device and is reflected to the monitoring device through the first reflecting device, the monitoring device receives a reflected light beam, detects power parameters of the reflected light beam, and sends the power parameters of the reflected light beam to the main control device, and the main control device controls the transmitting power of the transmitting device according to the power parameters of the reflected light beam.
Wherein, the preferred scheme is: the monitoring system also comprises a second reflecting device for reflection and focusing, and when the light splitting device splits the input light beam, the other path of input light beam is input to the second reflecting device, and forms an output light beam through the reflection and focusing of the second reflecting device and outputs the output light beam.
Wherein, the preferred scheme is: the light splitting device is a thin film light splitter.
Wherein, the preferred scheme is: the monitoring system also comprises a collimating lens, the emitting device emits an input light beam to the collimating lens, and the collimating lens converts the input light beam into a parallel light beam and inputs the parallel light beam to the light splitting device.
Wherein, the preferred scheme is: the monitoring system further comprises a focusing lens, the first reflecting device reflects the input light beam to the focusing lens, and the focusing lens focuses the reflected light beam and inputs the focused reflected light beam to the monitoring device.
Wherein, the preferred scheme is: the first reflecting device is a triangular groove designed by adopting total internal reflection.
Wherein, the preferred scheme is: the second reflecting device is a triangular groove with a concave surface.
The invention also provides a method for monitoring the transmitting power of the SR4 optical module, which further comprises the following steps:
the emitting device emits an input light beam;
the light splitting device splits an input light beam;
one path of input light beam is reflected to the monitoring device through the first reflecting device;
the monitoring device detects the power parameter of the reflected light beam and sends the power parameter to the main control device;
the main control device controls the transmitting power of the transmitting device according to the power parameter of the reflected light beam.
Preferably, the monitoring method further includes the following steps:
the other path of input light beam is input to the second reflecting device;
the second reflecting device reflects and focuses to form an output light beam and outputs the output light beam.
Wherein, the preferred scheme is: the light splitting device is a thin film light splitting mirror and splits an input light beam through film coating; and controlling the film coating parameters of the light splitting device according to the ratio of the total power of the emitting device to the required output light power.
Compared with the prior art, the invention has the beneficial effects that the monitoring system and the monitoring method for the emission power of the SR4 optical module are designed, the beam splitting and turning of the optical path are realized in the SR4 optical module, the emission light beam is controlled by detecting the reflected light beam, the direct monitoring of the emission power is realized, and the monitoring is prevented from being influenced along with the aging of devices or the temperature change; the monitoring system has simple structure and easy maintenance, and can automatically adjust the transmitting power of the device only by setting parameters, thereby being convenient for operation.
Drawings
The invention will be further described with reference to the accompanying drawings and examples, in which:
FIG. 1 is a schematic diagram of a monitoring device for the transmitting power of an SR4 optical module according to the present invention;
FIG. 2 is a flow chart of a method for monitoring the transmitting power of an SR4 optical module according to the present invention;
fig. 3 is a further flowchart of the monitoring method of the transmitting power of the SR4 optical module according to the present invention.
Detailed Description
The preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings.
As shown in fig. 1, the present invention provides a preferred embodiment of a monitoring apparatus for SR4 optical module transmission power.
The utility model provides a monitoring system of SR4 optical module transmitted power, includes emitter 1 and monitoring devices 2, and this emitter 1 is used for sending the input light beam, and this monitoring devices 2 is used for receiving the reflected light beam, monitoring system still includes beam splitting device 3, the first reflect meter 4 and the main control set 5 that is used for the reflection that are used for the beam splitting, and this main control set 5 connects emitter 1 and monitoring devices 2 respectively to this emitter 1, monitoring devices 2 and main control set 5 all weld on the PCB board, realize above-mentioned function.
Specifically, referring to fig. 1, with the emitting device 1 as a base point, the light splitting device 3 is disposed above the emitting device 1, the first reflecting device 4 is disposed at a side adjacent to the light splitting device 3, the monitoring device 2 is disposed below the first reflecting device 4, and the emitting device 1, the monitoring device 2, and the main control device 5 are all soldered on a PCB board.
In the working process of the system, the emitting device 1 emits an input light beam to the light splitting device 3, the light splitting device 3 splits the input light beam, referring to fig. 1, one path of the input light beam is input to the first reflecting device 4 rightwards and is transmitted to the monitoring device 2 through the total internal reflection of the first reflecting device 4, the monitoring device 2 receives a reflected light beam and detects the power parameter of the reflected light beam, the power parameter of the reflected light beam is transmitted to the main control device 5, and the main control device 5 controls the emitting power of the emitting device 1 according to the power parameter of the reflected light beam; the optical path splitting and turning are realized in the SR4 optical module, and the emitted light beam is controlled by detecting the reflected light beam, so that the emitted power is directly monitored, and the monitoring is prevented from being influenced by the aging of the device or the temperature change.
The beam splitting device 3 is manufactured by firstly grooving the beam splitter, then coating a film, and bonding the beam splitter and the film by glue, and the beam splitting device 3 splits an input light beam into two directions which diverge at 90 degrees.
Wherein, the power parameters of the reflected light beam comprise light intensity (light power) and luminous flux.
Further, the monitoring system further comprises a second reflecting device 6 for reflecting and focusing, wherein the second reflecting device 6 is arranged above the light splitting device 3; when the light splitting device 3 splits an input light beam, referring to fig. 1, another path of input light beam is input upwards to the second reflecting device 6, and is reflected and focused by the second reflecting device 6 to form an output light beam, and the output light beam is output to the end face of the optical fiber, thereby implementing the subsequent function of the SR4 optical module.
In this embodiment, the light splitting device 3 is a thin film light splitting mirror, a thin film is designed in advance according to a required power ratio, after processing, the parameters of the thin film are fixed values, and the input light beam is split by coating; and controlling the film coating parameters of the light splitting device according to the ratio of the total power of the emitting device to the required output light power.
The parameters of the coating include transmittance, reflectance, polarization dependence, film material and thickness design, etc.
Further, the monitoring system further comprises a collimating lens 7, the emitting device 1 emits a plurality of input light beams to the collimating lens 7, and the collimating lens 7 converts the input light beams into parallel light beams by collimation and inputs the parallel light beams to the light splitting device 3. Wherein, with reference to fig. 1, the collimator lens 7 is arranged in the optical path of the input light beam emitted by the emitting device 1, i.e. above the emitting device 1.
Furthermore, the monitoring system further comprises a focusing lens 8, the first reflecting device 4 reflects the input light beam to the focusing lens 8, and the focusing lens 8 focuses the reflected light beam to the monitoring device 2 by focusing, so that the monitoring device 2 receives the reflected light beam. Wherein, with reference to fig. 1, the focusing lens 8 is arranged in the light path of the reflected light beam, i.e. above the monitoring device 2.
The first reflecting device 4 is a triangular groove designed by adopting total internal reflection, and realizes a reflecting function; the second reflecting device 6 is a triangular groove with a concave surface, and not only realizes a reflecting function, but also realizes a focusing function.
As shown in fig. 2 and fig. 3, the present invention further provides a preferred embodiment of a method for monitoring the transmission power of the SR4 optical module.
Specifically, and referring to fig. 2, a method for monitoring the transmission power of an SR4 optical module further includes the following steps:
step 10, the emitting device emits an input light beam;
step 20, splitting the input light beam by the light splitting device;
step 30, one path of input light beam is reflected to a monitoring device through a first reflecting device;
step 40, the monitoring device detects the power parameter of the reflected light beam and sends the power parameter to the main control device;
and step 50, the main control device controls the transmitting power of the transmitting device according to the power parameter of the reflected light beam.
Further, and with reference to fig. 3, the monitoring method further comprises the steps of:
step 31, inputting the other path of input light beam into a second reflecting device;
and 41, reflecting and focusing by a second reflecting device to form an output light beam and outputting the output light beam.
In this embodiment, the beam splitting device is a thin film beam splitter, and the input light beam is split by coating.
In summary, the above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A monitoring system of SR4 optical module transmitting power, including emitter and monitoring device, the emitter sends out the input light beam, the monitoring device receives the reflected light beam, characterized by that: the monitoring system also comprises a beam splitting device for splitting beams, a first reflecting device for reflecting and a main control device, wherein the main control device is respectively connected with the transmitting device and the monitoring device; wherein,
the transmitting device sends an input light beam to the light splitting device, the light splitting device splits the input light beam, one path of the input light beam is input to the first reflecting device and is reflected to the monitoring device through the first reflecting device, the monitoring device receives a reflected light beam, detects power parameters of the reflected light beam and sends the power parameters of the reflected light beam to the main control device, and the main control device controls the transmitting power of the transmitting device according to the power parameters of the reflected light beam.
2. The monitoring system of claim 1, wherein: the monitoring system also comprises a second reflecting device for reflection and focusing, and when the light splitting device splits the input light beam, the other path of input light beam is input to the second reflecting device, and forms an output light beam through the reflection and focusing of the second reflecting device and outputs the output light beam.
3. The monitoring system of claim 2, wherein: the light splitting device is a thin film light splitter.
4. A monitoring system according to claim 3, characterized in that: the monitoring system also comprises a collimating lens, the emitting device emits an input light beam to the collimating lens, and the collimating lens converts the input light beam into a parallel light beam and inputs the parallel light beam to the light splitting device.
5. The monitoring system of claim 4, wherein: the monitoring system further comprises a focusing lens, the first reflecting device reflects the input light beam to the focusing lens, and the focusing lens focuses the reflected light beam and inputs the focused reflected light beam to the monitoring device.
6. The monitoring system of claim 1, wherein: the first reflecting device is a triangular groove designed by adopting total internal reflection.
7. The monitoring system of claim 2, wherein: the second reflecting device is a triangular groove with a concave surface.
8. A monitoring method for the transmitting power of an SR4 optical module is characterized by further comprising the following steps:
the emitting device emits an input light beam;
the light splitting device splits an input light beam;
one path of input light beam is reflected to the monitoring device through the first reflecting device;
the monitoring device detects the power parameter of the reflected light beam and sends the power parameter to the main control device;
the main control device controls the transmitting power of the transmitting device according to the power parameter of the reflected light beam.
9. The monitoring method according to claim 8, further comprising the steps of:
the other path of input light beam is input to the second reflecting device;
the second reflecting device reflects and focuses to form an output light beam and outputs the output light beam.
10. The monitoring method according to claim 9, characterized in that: the light splitting device is a thin film light splitting mirror and splits the input light beam through film coating; and controlling the film coating parameters of the light splitting device according to the ratio of the total power of the emitting device to the required output light power.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710935322.9A CN107566034A (en) | 2017-10-10 | 2017-10-10 | A kind of monitoring system and monitoring method of SR4 optical modules transmission power |
| PCT/CN2017/109960 WO2019071686A1 (en) | 2017-10-10 | 2017-11-08 | Monitoring system and monitoring method for transmitting power of sr4 optical module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710935322.9A CN107566034A (en) | 2017-10-10 | 2017-10-10 | A kind of monitoring system and monitoring method of SR4 optical modules transmission power |
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| CN107566034A true CN107566034A (en) | 2018-01-09 |
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| CN201710935322.9A Pending CN107566034A (en) | 2017-10-10 | 2017-10-10 | A kind of monitoring system and monitoring method of SR4 optical modules transmission power |
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| Country | Link |
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| CN (1) | CN107566034A (en) |
| WO (1) | WO2019071686A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019184215A1 (en) * | 2018-03-30 | 2019-10-03 | 昂纳信息技术（深圳）有限公司 | Sr4 device for implementing monitoring of transmitting power, and monitoring method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1761900A (en) * | 2003-03-14 | 2006-04-19 | 安捷伦科技有限公司 | Small form factor all-polymer optical device with integrated dual beam path based on total internal reflection optical turn |
| CN102062635A (en) * | 2010-12-02 | 2011-05-18 | 北京心润心激光医疗设备技术有限公司 | Laser power monitoring device |
| CN102597831A (en) * | 2009-09-30 | 2012-07-18 | 康宁公司 | Angle-cleaved optical fibers and methods of making and using same |
| CN207504867U (en) * | 2017-10-10 | 2018-06-15 | 昂纳信息技术（深圳）有限公司 | A kind of monitoring system of SR4 optical modules transmission power |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6081638A (en) * | 1998-07-20 | 2000-06-27 | Honeywell Inc. | Fiber optic header with integrated power monitor |
| US6895147B2 (en) * | 2003-06-26 | 2005-05-17 | Intel Corporation | Laser power monitoring tap |
| JP5025695B2 (en) * | 2009-08-07 | 2012-09-12 | 株式会社エンプラス | Optical module |
| US8503838B2 (en) * | 2010-09-15 | 2013-08-06 | Avago Technologies General Ip (Singapore) Pte. Ltd. | Two-part optical coupling system having an air gap therein for reflecting light to provide optical feedback for monitoring optical output power levels in an optical transmitter (TX) |
| CN103885133B (en) * | 2012-12-21 | 2017-06-16 | 赛恩倍吉科技顾问（深圳）有限公司 | Optical communication apparatus |
| CN104577708B (en) * | 2014-12-12 | 2017-06-30 | 武汉华工正源光子技术有限公司 | The optical assembly for high-speed transfer is monitored with backlight |
-
2017
- 2017-10-10 CN CN201710935322.9A patent/CN107566034A/en active Pending
- 2017-11-08 WO PCT/CN2017/109960 patent/WO2019071686A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1761900A (en) * | 2003-03-14 | 2006-04-19 | 安捷伦科技有限公司 | Small form factor all-polymer optical device with integrated dual beam path based on total internal reflection optical turn |
| CN102597831A (en) * | 2009-09-30 | 2012-07-18 | 康宁公司 | Angle-cleaved optical fibers and methods of making and using same |
| CN102062635A (en) * | 2010-12-02 | 2011-05-18 | 北京心润心激光医疗设备技术有限公司 | Laser power monitoring device |
| CN207504867U (en) * | 2017-10-10 | 2018-06-15 | 昂纳信息技术（深圳）有限公司 | A kind of monitoring system of SR4 optical modules transmission power |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019184215A1 (en) * | 2018-03-30 | 2019-10-03 | 昂纳信息技术（深圳）有限公司 | Sr4 device for implementing monitoring of transmitting power, and monitoring method |
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| WO2019071686A1 (en) | 2019-04-18 |
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Address after: No.35 Cuijing Road, Pingshan District, Shenzhen City, Guangdong Province Applicant after: Ona Technology (Shenzhen) Group Co.,Ltd. Address before: No.35 Cuijing Road, Pingshan District, Shenzhen City, Guangdong Province Applicant before: O-NET COMMUNICATIONS (SHENZHEN) Ltd. |
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