CN103297125B - Automatic test system for optical fiber splitter - Google Patents
Automatic test system for optical fiber splitter Download PDFInfo
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- CN103297125B CN103297125B CN201310192007.3A CN201310192007A CN103297125B CN 103297125 B CN103297125 B CN 103297125B CN 201310192007 A CN201310192007 A CN 201310192007A CN 103297125 B CN103297125 B CN 103297125B
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- light detector
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- fiber splitter
- optical fiber
- wave length
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- 239000013307 optical fiber Substances 0.000 title claims abstract description 22
- 238000012360 testing method Methods 0.000 title claims abstract description 21
- 230000003287 optical effect Effects 0.000 claims abstract description 44
- 230000010287 polarization Effects 0.000 claims abstract description 23
- 238000001514 detection method Methods 0.000 claims abstract description 12
- 239000000835 fiber Substances 0.000 claims abstract description 7
- 238000006243 chemical reaction Methods 0.000 claims abstract description 4
- 230000001419 dependent effect Effects 0.000 claims description 6
- 238000003780 insertion Methods 0.000 claims description 6
- 230000037431 insertion Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
Abstract
The present invention relates to a kind of Automatic test system for optical fiber splitter.It includes the detection light path be made up of multi wave length illuminating source, optical isolator, Polarization Controller, three port circulators, one-to-many optical switch, incident light detector and reflection light detector; The light signal output end of multi wave length illuminating source is connected to three port circulators through optical isolator and Polarization Controller, the port one of three port circulators is connected with the output of Polarization Controller, port 2 connects the single channel input of one-to-many optical switch, and port 3 connects the input of reflection light detector; The detectable signal output of incident light detector and reflection light detector is all connected to a CPU element by photoelectric conversion unit, and the control signal output of CPU element is connected with the control end of three-wavelength source, Polarization Controller and one-to-many light path switch respectively.The present invention utilizes incidence and the reflection of light signal, can all optical indexes of simultaneously measuring fiber splitter, and cost is low, detection efficiency is high.
Description
Technical field
The present invention relates to a kind of detection system of optical communication device, specifically a kind of Automatic test system for optical fiber splitter.
Background technology
Current, China FTTx (Optical Access Network) builds and progressively launches, build up Full Fibre Network, except needing various structure optical distribution cable, leading in cable realizes continuing of fiber optic network and except reallocating, in E-PON, G-PON technology, optical branching device is also needed finally to complete fiber-to-the-home object in a large number.From market present stage and tomorrow requirement developing state, PLC optical branching device is by justifiable for the main force becoming PON market, and it has digitlization, networking, the feature such as broadband, miniaturized and easy to maintenance, is the emphasis of future market demand.Industry standard specifies, the optical property Interventions Requested before PLC splitter dispatches from the factory are the insertion loss of 1310nm, 1490nm and 1550nm wavelength period, return loss, Polarization Dependent Loss and uniformity.At present, domestic these optical indexes also not having a instrument and meter completely can measure PLC splitter, must use distinct device could realize through repeatedly testing.Reduce Product checking efficiency, improve testing cost.
Summary of the invention
Technical problem to be solved by this invention is, there is provided a kind of can detect in the insertion loss of different wave length section, return loss, Polarization Dependent Loss and uniformity optical fiber splitter, the Automatic test system for optical fiber splitter that detection efficiency is high, equipment cost is low simultaneously.
Automatic test system for optical fiber splitter of the present invention includes the detection light path be made up of multi wave length illuminating source, optical isolator, Polarization Controller, three port circulators, one-to-many optical switch, incident light detector and reflection light detector; Described multi wave length illuminating source can export the light signal of different wave length, the light signal output end of multi wave length illuminating source is connected to three port circulators through optical isolator and Polarization Controller, the port one of three port circulators is connected with the output of Polarization Controller, the port 2 of three port circulators connects the single channel input of one-to-many optical switch, and the port 3 of three port circulators connects the input of reflection light detector; The multi-channel output of described one-to-many optical switch can connect the multi-channel output of tested optical fiber splitter, and the signal input part of described incident light detector can connect the single channel input of tested optical fiber splitter; The detectable signal output of described incident light detector and reflection light detector is all connected to a CPU element by photoelectric conversion unit, the control signal output of CPU element is connected with the control end of multi wave length illuminating source, Polarization Controller and one-to-many optical switch respectively, is used for controlling the working procedure of each several part.
Described incident light detector can the insertion loss of detection fiber splitter, Polarization Dependent Loss and uniformity.
Described reflection light detector can the return loss of detection fiber splitter.
Described one-to-many optical switch specification is 1*8 optical switch, for detecting the optical fiber splitter of eight output ports.
Described multi wave length illuminating source is three-wavelength source, can export the light source of 1310nm, 1490nm and 1550nm wavelength period.
The present invention utilizes incidence and the reflection of light signal, and a set of equipment can be used to be completed by all optical index disposable tests of PLC optical branching device, and total system is formed simply, equipment cost is low, detection efficiency is high.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Embodiment
As shown in the figure, this Automatic test system for optical fiber splitter includes the detection light path be made up of multi wave length illuminating source, optical isolator, Polarization Controller, three port circulators, one-to-many optical switch (1*8 optical switch), incident light detector and reflection light detector; Described multi wave length illuminating source can export the light signal of 1310nm, 1490nm and 1550nm wavelength period, the light signal output end of multi wave length illuminating source is connected to three port circulators through optical isolator and Polarization Controller, the port one of three port circulators is connected with the output of Polarization Controller, the port 2 of three port circulators connects the single channel input of one-to-many optical switch, the port 3 of three port circulators connects the input of reflection light detector, its order of transmission is: the optical signals port 2 of port one input exports, and the optical signals port 3 that port 2 inputs exports; The multi-channel output of described one-to-many optical switch can connect the multi-channel output of tested optical fiber splitter, and the signal input part of described incident light detector can connect the single channel input of tested optical fiber splitter; The detectable signal output of described incident light detector and reflection light detector is all connected to a CPU element by photoelectric conversion unit, the control signal output of CPU element is connected with the control end of multi wave length illuminating source, Polarization Controller and one-to-many optical switch respectively, is used for controlling the working procedure of each several part.
The test process of the embodiment of the present invention is as follows:
Before test, first AN connector on eight of 1*8 optical switch ports is connected with the AN connector of incident light detector input respectively, by CPU element three-wavelength source successively luminous 1310nm, 1490nm, 1550nm, system can record eight channel optical power values that incident photo-detector records at three wavelength places, and (incident light detector is used for the insertion loss of test component, Polarization Dependent Loss and uniformity), again eight channel ends are made to use light terminator respectively, eight channel optical power (reflection light detector is used for the return loss of test component) that system log (SYSLOG) reflection light detector records, so just there is the intrinsic return loss of the light source reference value before test and system self,
During test, the output of tested optical fiber splitter is connected with eight output p-wires of 1*8 optical switch, the input of tested optical fiber splitter is connected with the input p-wire of incident light detector, CPU element controls three-wavelength source and Polarization Controller and starts working, and the optical power value recorded by two photo-detectors just can draw the insertion loss of measured device, return loss, Polarization Dependent Loss and uniformity index.
Claims (5)
1. an Automatic test system for optical fiber splitter, is characterized in that: it includes the detection light path be made up of multi wave length illuminating source, optical isolator, Polarization Controller, three port circulators, one-to-many optical switch, incident light detector and reflection light detector; Described multi wave length illuminating source can export the light signal of different wave length, the light signal output end of multi wave length illuminating source is connected to three port circulators through optical isolator and Polarization Controller, the port one of three port circulators is connected with the output of Polarization Controller, the port 2 of three port circulators connects the single channel input of one-to-many optical switch, and the port 3 of three port circulators connects the input of reflection light detector; The multi-channel output of described one-to-many optical switch can connect the multi-channel output of tested optical fiber splitter, and the signal input part of described incident light detector can connect the single channel input of tested optical fiber splitter; The detectable signal output of described incident light detector and reflection light detector is all connected to a CPU element by photoelectric conversion unit, and the control signal output of CPU element is connected with the control end of multi wave length illuminating source, Polarization Controller and one-to-many optical switch respectively.
2. Automatic test system for optical fiber splitter according to claim 1, is characterized in that: described incident light detector can the insertion loss of detection fiber splitter, Polarization Dependent Loss and uniformity.
3. Automatic test system for optical fiber splitter according to claim 1, is characterized in that: described reflection light detector can the return loss of detection fiber splitter.
4. Automatic test system for optical fiber splitter according to claim 1, is characterized in that: described one-to-many optical switch specification is 1*8 optical switch.
5. Automatic test system for optical fiber splitter according to claim 1, is characterized in that: described multi wave length illuminating source is three-wavelength source, can export the light source of 1310nm, 1490nm and 1550nm wavelength period.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310192007.3A CN103297125B (en) | 2013-03-21 | 2013-05-22 | Automatic test system for optical fiber splitter |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310092432.5 | 2013-03-21 | ||
| CN2013100924325 | 2013-03-21 | ||
| CN201310092432 | 2013-03-21 | ||
| CN201310192007.3A CN103297125B (en) | 2013-03-21 | 2013-05-22 | Automatic test system for optical fiber splitter |
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| Publication Number | Publication Date |
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| CN103297125A CN103297125A (en) | 2013-09-11 |
| CN103297125B true CN103297125B (en) | 2016-03-30 |
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| CN201310192007.3A Active CN103297125B (en) | 2013-03-21 | 2013-05-22 | Automatic test system for optical fiber splitter |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105352594B (en) * | 2015-11-13 | 2017-09-26 | 东南大学 | Optical power distributor performance measurement method and wavelength selective optical detector module under multi-wavelength |
| CN108809418B (en) * | 2018-08-13 | 2024-03-29 | 上海嘉慧光电子技术有限公司 | LAN_WDM optical device detecting device and method |
| ES2827373B2 (en) * | 2019-11-20 | 2021-09-21 | Telefonica Sa | Optical device, method and system for remote detection of optical network terminals |
| CN116980033B (en) * | 2023-08-02 | 2024-02-23 | 滁州爱沃富光电科技有限公司 | PLC optical divider test system |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI242942B (en) * | 2004-02-17 | 2005-11-01 | Asia Optical Co Inc | Optical return loss detecting device |
| CN201479136U (en) * | 2009-08-17 | 2010-05-19 | 尹晓民 | Multi-channel beam splitter testing machine |
| CN102192830B (en) * | 2010-12-10 | 2012-11-28 | 上海霍普光通信有限公司 | PLC (Programmable Logic Controller) type optical splitter testing method |
| CN102594443A (en) * | 2011-01-10 | 2012-07-18 | 上海坤腾光电科技有限公司 | Performance test system for optical divider |
| CN203340083U (en) * | 2013-03-21 | 2013-12-11 | 镇江奥菲特光电科技有限公司 | Automatic test system of optical fiber splitter |
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Denomination of invention: Automatic test system for optical fiber splitter Effective date of registration: 20171019 Granted publication date: 20160330 Pledgee: Bank of China, Limited by Share Ltd, Zhenjiang Dagang sub branch Pledgor: Zhenjiang OFT Optoelectronic Tech Co., Ltd. Registration number: 2017320000041 |
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Date of cancellation: 20181213 Granted publication date: 20160330 Pledgee: Bank of China, Limited by Share Ltd, Zhenjiang Dagang sub branch Pledgor: Zhenjiang OFT Optoelectronic Tech Co., Ltd. Registration number: 2017320000041 |
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Denomination of invention: Automatic test system for optical fiber splitter Effective date of registration: 20181214 Granted publication date: 20160330 Pledgee: Bank of China, Limited by Share Ltd, Zhenjiang Dagang sub branch Pledgor: Zhenjiang OFT Optoelectronic Tech Co., Ltd. Registration number: 2018320000360 |
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Date of cancellation: 20191022 Granted publication date: 20160330 Pledgee: Bank of China, Limited by Share Ltd, Zhenjiang Dagang sub branch Pledgor: Zhenjiang OFT Optoelectronic Tech Co., Ltd. Registration number: 2018320000360 |
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Denomination of invention: Automatic test system for optical fiber splitter Effective date of registration: 20191023 Granted publication date: 20160330 Pledgee: Bank of China, Limited by Share Ltd, Zhenjiang Dagang sub branch Pledgor: Zhenjiang OFT Optoelectronic Tech Co., Ltd. Registration number: Y2019320000217 |