CN203340083U - Automatic test system of optical fiber splitter - Google Patents
Automatic test system of optical fiber splitter Download PDFInfo
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- CN203340083U CN203340083U CN2013202809115U CN201320280911U CN203340083U CN 203340083 U CN203340083 U CN 203340083U CN 2013202809115 U CN2013202809115 U CN 2013202809115U CN 201320280911 U CN201320280911 U CN 201320280911U CN 203340083 U CN203340083 U CN 203340083U
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- light detector
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- fiber splitter
- optical fiber
- optical
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Abstract
The utility model relates to an automatic test system of an optical fiber splitter. The system comprises a detection optical path formed by a multi-wavelength light source, an optical isolator, a polarization controller, a three-port annular device, a pair of multiple optical switches, an incident light detector, and a reflected light detector. The light signal output end of the multi-wavelength light source is connected with the three-port annular device via the optical isolator and the polarization controller. The port 1 of the three-port annular device is connected with the output end of the polarization controller, the port 2 thereof is connected with the single-path input end of the pair of multiple optical switches, and the port 3 thereof is connected with the input end of the reflected light detector. The detection signal output ends of the incident light detector and the reflected light detector are connected with a CPU unit through a photoelectric conversion unit. The control signal output end of the CPU unit is separately connected with the control ends of a three- wavelength light source, the polarization controller, and the pair of multiple optical switches. The system utilizes incidence and reflection of the light source signals to simultaneously test all the optical indexes of the optical fiber splitter. The system is low in cost and high in detection efficiency.
Description
Technical field
The utility model relates to a kind of detection system of optical communication device, specifically a kind of optical fiber splitter Auto-Test System.
Background technology
Current, China FTTx (Optical Access Network) builds progressively and launches, build up Full Fibre Network, except the various structure optical distribution cable of needs, leading in cable are realized continuing of fiber optic network and are reallocated, in E-PON, G-PON technology, also need in a large number optical branching device finally to complete fiber-to-the-home purpose.From market present stage and tomorrow requirement developing state, it is justifiable that the PLC optical branching device will become the main force in PON market, and it has digitlization, networking, broadband, miniaturization and the characteristics such as easy to maintenance, is the emphasis of future market demand.The industry standard regulation, insertion loss, return loss, Polarization Dependent Loss and uniformity that the optical property Interventions Requested before the PLC splitter dispatches from the factory are 1310nm, 1490nm and 1550nm wavelength period.At present, domestic also do not have these optical indexes that a instrument and meter can the complete PLC of measuring splitter, must use distinct device could realize through test repeatedly.Reduce the product detection efficiency, improved testing cost.
Summary of the invention
Technical problem to be solved in the utility model is, provide a kind of can to optical fiber splitter, insertion loss, return loss, Polarization Dependent Loss and the uniformity in the different wave length section be detected simultaneously, the optical fiber splitter Auto-Test System that detection efficiency is high, equipment cost is low.
Optical fiber splitter Auto-Test System of the present utility model includes the detection light path consisted 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 be exported 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 all is connected to a CPU element by photoelectric conversion unit, the control signal output of CPU element is connected with three-wavelength source, Polarization Controller and the control end of one-to-many light path switch respectively, is used for the working procedure of each several part is controlled.
Described incident light detector can the detection fiber splitter insertion loss, Polarization Dependent Loss and uniformity.
Described reflection light detector can the detection fiber splitter return loss.
Described one-to-many optical switch specification is the 1*8 optical switch, for detection of 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 utility model utilizes incident and the reflection of light signal, can use a set of equipment that all optical index disposable tests of PLC optical branching device are completed, and total system forms simply, equipment cost is low, detection efficiency is high.
The accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Embodiment
As shown in the figure, this optical fiber splitter Auto-Test System includes the detection light path consisted 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 be exported 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: optical signals port 2 outputs of port one input, optical signals port 3 outputs of port 2 inputs; 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 all is connected to a CPU element by photoelectric conversion unit, the control signal output of CPU element is connected with multi wave length illuminating source, Polarization Controller and the control end of one-to-many light path switch respectively, is used for the working procedure of each several part is controlled.
The test process of the utility model embodiment is as follows:
Before test, first AN connector on eight ports of 1*8 optical switch is connected with the AN connector of incident light detector input respectively, by CPU element three-wavelength source processed luminous 1310nm successively, 1490nm, 1550nm, system can record eight passage optical power values that the incident photo-detector records at three wavelength places, and (the incident light detector is for the insertion loss of test component, Polarization Dependent Loss and uniformity), again eight channel ends are made respectively to use the light terminator, eight passage luminous powers that the system log (SYSLOG) reflection light detector records (reflection light detector is for the return loss of test component), the front light source fiducial value of test and the intrinsic return loss of system self have so just been arranged,
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 is controlled three-wavelength source and Polarization Controller is started working, and the optical power value recorded by two photo-detectors just can draw insertion loss, return loss, Polarization Dependent Loss and the uniformity index of measured device.
Claims (5)
1. an optical fiber splitter Auto-Test System, it is characterized in that: it includes the detection light path consisted 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 be exported 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 all is connected to a CPU element by photoelectric conversion unit, and the control signal output of CPU element is connected with three-wavelength source, Polarization Controller and the control end of one-to-many light path switch respectively.
2. optical fiber splitter Auto-Test System according to claim 1 is characterized in that: insertion loss, Polarization Dependent Loss and uniformity that described incident light detector can the detection fiber splitter.
3. optical fiber splitter Auto-Test System according to claim 1 is characterized in that: the return loss that described reflection light detector can the detection fiber splitter.
4. optical fiber splitter Auto-Test System according to claim 1, it is characterized in that: described one-to-many optical switch specification is the 1*8 optical switch.
5. optical fiber splitter Auto-Test System according to claim 1, it 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 |
|---|---|---|---|
| CN2013202809115U CN203340083U (en) | 2013-03-21 | 2013-05-22 | Automatic test system of optical fiber splitter |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320131394.5 | 2013-03-21 | ||
| CN201320131394 | 2013-03-21 | ||
| CN2013202809115U CN203340083U (en) | 2013-03-21 | 2013-05-22 | Automatic test system of optical fiber splitter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203340083U true CN203340083U (en) | 2013-12-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013202809115U Withdrawn - After Issue CN203340083U (en) | 2013-03-21 | 2013-05-22 | Automatic test system of optical fiber splitter |
Country Status (1)
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| CN (1) | CN203340083U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103297125A (en) * | 2013-03-21 | 2013-09-11 | 镇江奥菲特光电科技有限公司 | Automatic test system for optical fiber splitter |
| CN104618014A (en) * | 2015-03-03 | 2015-05-13 | 四川飞阳科技有限公司 | Light splitter test system |
| CN109991188A (en) * | 2018-01-02 | 2019-07-09 | 中兴通讯股份有限公司 | Gas detection method and device |
-
2013
- 2013-05-22 CN CN2013202809115U patent/CN203340083U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103297125A (en) * | 2013-03-21 | 2013-09-11 | 镇江奥菲特光电科技有限公司 | Automatic test system for optical fiber splitter |
| CN104618014A (en) * | 2015-03-03 | 2015-05-13 | 四川飞阳科技有限公司 | Light splitter test system |
| CN104618014B (en) * | 2015-03-03 | 2018-04-13 | 四川飞阳科技有限公司 | Optical branching device tests system |
| CN109991188A (en) * | 2018-01-02 | 2019-07-09 | 中兴通讯股份有限公司 | Gas detection method and device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20131211 Effective date of abandoning: 20160330 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |