CN207585890U - A kind of insertion loss of optoisolator sending assembly and the test device of isolation - Google Patents
A kind of insertion loss of optoisolator sending assembly and the test device of isolation Download PDFInfo
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- CN207585890U CN207585890U CN201721128126.2U CN201721128126U CN207585890U CN 207585890 U CN207585890 U CN 207585890U CN 201721128126 U CN201721128126 U CN 201721128126U CN 207585890 U CN207585890 U CN 207585890U
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- optoisolator
- collimator
- photoswitch
- test device
- sending assembly
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Abstract
The utility model provides a kind of insertion loss of optoisolator sending assembly and the test device of isolation, including first light source, the first photoswitch, the first light power meter, the second light power meter, first collimator, polarizer, the second collimator, second light source, the second photoswitch；The utility model is simple in structure, saving components, and insertion loss and return loss can test simultaneously, only need to switch photoswitch；The application environment of the complete analog equipment of test condition that test device constructs, closer to client's use state；It can meet and be tested under the arbitrary wave band of product.
Description
Technical field
The utility model is related to the insertion loss of optoisolator sending assembly TX a kind of and the test devices of isolation.
Background technology
In optical-fiber network, passive device is mainly used for being then sent through appropriate output terminal after optical signal is classified or demultiplexed
Mouthful.However certain pass optical devices, such as LD and image intensifer to the reflected light from connector, fusion point, wave filter etc. very
Sensitivity, and lead to penalty.With optical communication technique at a high speed, large capacity direction develop, being reflected in light path has become one
Thus there is a kind of passive device of nonreciprocity that light is allowed to be transmitted along light path forward direction in the major issue that must be solved
Part --- optoisolator.The operation principle of optoisolator is mainly the Faraday effect using magneto-optical crystal.Faraday effect is
Faraday makes the polarization of the light by the substance in first observed in 1845 to the material without optical activity under magnetic fields
The phenomenon that direction rotates, also referred to as magnetic rotation effect.
To meet the bandwidth demand increased rapidly, communication network is constantly upgraded, this stabilization that will promote Optical Fiber Market,
And optoisolator is widely used in long range and multi-wavelength High Speed Transfer.Optoisolator is not widely used in individual enterprise.No
It crosses, with the driving of multimedia application, fiber deployment will more approach domestic consumer.
Optoisolator is additionally operable to various military, aerospace fields, this part optoisolator is needed by stringent test
With HEFO certifications, to ensure its reliability and performance.In addition, specialized laboratory and research and development are also a big application neck of optoisolator
Domain is mainly used for noise reduction, medical imaging, Mode-locked laser device, optical acquisition etc..Optoisolator is additionally operable to industry and builds
Build the sensing in field and the product manufacturing of other communication aspects, test, research and development.
But currently without the insertion loss and the test device of isolation to optoisolator sending assembly, only optically isolated
Whole detection again after device sending assembly is assembled on product, once it is undesirable, only scrapped together with integral product.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of optoisolator sending assembly insertion loss and every
Test device from degree.For this purpose, the utility model uses following technical scheme：
A kind of insertion loss of optoisolator sending assembly and the test device of isolation, it is characterised in that it includes first
Light source, the first photoswitch, the first light power meter, the second light power meter, first collimator, polarizer, the second collimator, the second light
Source, the second photoswitch；
There are the first optical cable of transmission optical signal, first light source and the second luminous power between first photoswitch and first collimator
Meter is connect respectively by optical cable with the first photoswitch；
The first collimator and the second collimator are correspondingly arranged at polarizer both sides；
The test device is additionally provided with second adjustment frame, and the second fixture is set on second adjustment frame, and the second fixture can be consolidated
Surely the fiber array of tested optoisolator sending assembly makes the isolator of the fiber array end of tested optoisolator sending assembly
It can be in before the second collimator and be directed at the second collimator；
Second light source and the first light power meter are connect respectively by optical cable with the second photoswitch, and the second photoswitch is also configured with
Interface unit, described interface unit one end are connected with the second photoswitch, and the other end is used for and is tested optoisolator sending assembly
Fiber adapter LC Receptacle connections.
The optoisolator sending assembly is by fiber adapter LC Receptacle, connection optical fiber, a multi-channel optical fiber array
With polarization relationship type isolator composition.
Further, the first light source and second light source are adjustable wide-band light source, can be met under the arbitrary wave band of product
Test.
Further, the test device is provided with stent, and polarizer can be rotatably set in polarization horse, polarizer
Frame can be slidingly rack-mount, the track and locking mechanism that the stent setting polarization horse horizontally slips.
Further, the second collimator is fixed on the bracket.
Further, the test device is additionally provided with the first adjustment frame, and the first fixture is set on the first adjustment frame, described
The end of first optical cable and first collimator are fixed on the first fixture.
Due to using the technical solution of the utility model, the utility model is simple in structure, saving components, insertion loss and return
Wave loss can be tested simultaneously, only need to switch photoswitch；The complete analog equipment of test condition that test device constructs is answered
With environment, closer to client's use state；It can meet and be tested under the arbitrary wave band of product.
Description of the drawings
Fig. 1 is the general illustration of the utility model embodiment.
Fig. 2 is the schematic device between first switch to second switch in the utility model.
Fig. 3 is the combination diagram of fixture, stent.
Fig. 4 is the schematic diagram of adjusting bracket.
Fig. 5 is the schematic diagram of tested optoisolator sending assembly.
Specific embodiment
With reference to attached drawing.The insertion loss of optoisolator sending assembly provided by the utility model and the test dress of isolation
It puts, including first light source 1, the first photoswitch 2, the first light power meter 31, the second light power meter 32, first collimator 4, polarizer
6th, the second collimator 8, second light source 12, the second photoswitch 13
Adjustable wide-band light source can be used in first light source 1 and second light source 12, can meet and be tested under the arbitrary wave band of product.
First photoswitch 2 and the second photoswitch 13 are that one kind has one or more optional transmission ports, to optical transport
Optical signal in circuit or integrated optical circuit carries out the mutually optical device of conversion or logical operation.
There are the first optical cable 101 of transmission optical signal, first light source 1 and second between first photoswitch 2 and first collimator 4
Light power meter 32 is connect respectively by optical cable with the first photoswitch 2, establishes light path connection.
4 and second collimator 8 of first collimator is correspondingly arranged at 6 both sides of polarizer.
The test device is additionally provided with second adjustment frame 11, and the second fixture 92, the second folder are set on second adjustment frame 11
Tool 92 can fix the fiber array 102 of tested optoisolator sending assembly 100, make the optical fiber array of tested optoisolator sending assembly
The isolator 101 of 102 end of row can be in before the second collimator 8 and be directed at the second collimator 8.
12 and first light power meter 31 of second light source is connect respectively by optical cable with the second photoswitch 13, the second photoswitch 13
Be also configured with interface unit 14,141 and second photoswitch 13 of one end of the interface unit 14 connects, the other end 142 be used for and
The fiber adapter LC Receptacle connections of tested optoisolator sending assembly.
The test device is provided with stent 7, and polarizer 6 can be rotatably set in polarization horse 71, be revolved in polarizer 6
It after going to best angle, is positioned with the fastened by screw being threadedly coupled with polarization horse 71, polarization horse 71 can slidingly pacify
On stent 7, the setting of stent 7 polarizes the track 72 that horse 71 horizontally slips, and is adjusted to most in the polarization slip of horse 71
Again with the fastening locking of screw 73 after best placement.It in this way, polarizer 6 is rotatable and transverse shifting, can reach polarization state during test
Optimum efficiency.
In order to be more convenient equipment arrangement and reduce equipment, while ensure normal measurement work, second collimator 8 again
It can be fixedly mounted on stent 7, and polarizer alignment 6, and in the opposite side setting the first adjustment frame 5 of polarizer 6.First adjusts
First fixture 91 is set on whole frame 5, the end of first optical cable 200 and first collimator 4 are fixed on the first fixture 91, the
The end alignment first collimator 4 of one optical cable 200 by adjusting the first adjustment frame 5, makes the of first collimator 4 and opposite side
Two collimators 8 are aligned.By adjusting second adjustment frame 11 so that isolator 101 is aligned with the second collimator 8.
The first adjustment frame 5, second adjustment frame 11 can be the adjustment frames for having three-dimensional regulation and angle regulating function, wherein
Label 301 is Z axis adjusting knob, and label 302 is X-axis adjusting knob, and label 303 is Y-axis adjusting knob, and label 304 is level
Rotation of adjustment knob, label 305 are horizontal hunting adjusting knob.The adjusting of wherein X-axis, Y-axis, Z axis can pass through feed screw nut's machine
Structure is rotated horizontally and is adjusted and horizontal hunting by threaded adjusting, can set the mounting platform 306 of fixture on the adjustment frame,
Horizontal display 307 is set on mounting platform 306.The connecting seat of fixture is set on mounting platform 306, and drawing reference numeral 93 is the
The connecting seat of one fixture 91, drawing reference numeral 94 are the connecting seat of the second fixture 92, have the interface unit 14 on connecting seat 94
Second end 142 locating slot 941.
Insertion loss test lightray propagation direction, be followed successively by first light source 1, the first photoswitch 2, first collimator 4,
Polarizer 6, the second collimator 8, tested optoisolator sending assembly 100, the second photoswitch 13, the first light power meter 31.
The lightray propagation direction of isolation degree test, be followed successively by second light source 12, the second photoswitch 13, tested light every
From device sending assembly 100, the second collimator 8, polarizer 6, first collimator 4, the first photoswitch 2, the second light power meter 32.
Insertion loss and return loss can test simultaneously, only need to switch photoswitch.
The optoisolator sending assembly 100 is led to by fiber adapter LC Receptacle103, connection optical fiber 104, one
Road fiber array 102 and polarization relationship type isolator 101 form.
Structure feature the foregoing is merely specific embodiment of the utility model, but the utility model is not limited to
This, any those skilled in the art in the field of the utility model, all cover in this practicality newly by the variation or modification made
Among the protection domain of type.
Claims (6)
1. a kind of insertion loss of optoisolator sending assembly and the test device of isolation, it is characterised in that it includes the first light
Source (1), the first photoswitch (2), the first light power meter (31), the second light power meter (32), first collimator (4), polarizer
(6), the second collimator (8), second light source (12), the second photoswitch (13)；
There are the first optical cable of transmission optical signal, first light source and the score of the second luminous power between first photoswitch and first collimator
It is not connect by optical cable with the first photoswitch；
The first collimator and the second collimator are correspondingly arranged at polarizer both sides；
The test device is additionally provided with second adjustment frame (11), and the second fixture (92), the second fixture are set on second adjustment frame
Can fixed tested optoisolator sending assembly fiber array, make tested optoisolator sending assembly fiber array end every
It can be in before the second collimator from device and be directed at the second collimator；
Second light source and the first light power meter are connect respectively by optical cable with the second photoswitch, and the second photoswitch is also configured with connecting
Device (14), described interface unit one end are connected with the second photoswitch, and the other end is used for and is tested optoisolator sending assembly
Fiber adapter LC Receptacle connections.
2. a kind of insertion loss of optoisolator sending assembly according to claim 1 and the test device of isolation,
It is characterized in that the optoisolator sending assembly by fiber adapter LC Receptacle, connection optical fiber, a multi-channel optical fiber array
With polarization relationship type isolator composition.
3. a kind of insertion loss of optoisolator sending assembly according to claim 1 and the test device of isolation,
It is characterized in that：The first light source and second light source are adjustable wide-band light source, can meet and be tested under the arbitrary wave band of product.
4. a kind of insertion loss of optoisolator sending assembly according to claim 1 and the test device of isolation,
It is characterized in that：The test device is provided with stent (7), and polarizer (6) can be rotatably set in polarization horse, polarize horse
Can be slidingly rack-mount, the track and locking mechanism that the stent setting polarization horse horizontally slips.
5. a kind of insertion loss of optoisolator sending assembly according to claim 4 and the test device of isolation,
It is characterized in that：Second collimator is fixed on the bracket.
6. a kind of insertion loss of optoisolator sending assembly according to claim 1 and the test device of isolation,
It is characterized in that：The test device is additionally provided with the first adjustment frame (91), sets the first fixture on the first adjustment frame, and described first
The end of optical cable and first collimator are fixed on the first fixture.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721128126.2U CN207585890U (en) | 2017-09-05 | 2017-09-05 | A kind of insertion loss of optoisolator sending assembly and the test device of isolation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721128126.2U CN207585890U (en) | 2017-09-05 | 2017-09-05 | A kind of insertion loss of optoisolator sending assembly and the test device of isolation |
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| CN207585890U true CN207585890U (en) | 2018-07-06 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108982063A (en) * | 2018-06-15 | 2018-12-11 | 深圳市慧康精密仪器有限公司 | A kind of test method and device of planar optical waveguide device insertion loss |
| CN110266378A (en) * | 2019-05-29 | 2019-09-20 | 广东瑞谷光网通信股份有限公司 | A kind of method, apparatus, electronic equipment and the computer readable storage medium of on-line testing light receiving element interchannel isolation |
| CN111855153A (en) * | 2020-07-21 | 2020-10-30 | 武汉优光科技有限责任公司 | Device and method for testing isolation degree of optical isolator |
| CN113042399A (en) * | 2021-03-25 | 2021-06-29 | 河南理工大学 | Automatic performance detection and automatic sorting system for free space type optical isolator |
| CN115480349A (en) * | 2022-08-30 | 2022-12-16 | 广州奥鑫通讯设备有限公司 | Optical isolator chip shifting piece optical path, device and method |
-
2017
- 2017-09-05 CN CN201721128126.2U patent/CN207585890U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108982063A (en) * | 2018-06-15 | 2018-12-11 | 深圳市慧康精密仪器有限公司 | A kind of test method and device of planar optical waveguide device insertion loss |
| CN110266378A (en) * | 2019-05-29 | 2019-09-20 | 广东瑞谷光网通信股份有限公司 | A kind of method, apparatus, electronic equipment and the computer readable storage medium of on-line testing light receiving element interchannel isolation |
| CN110266378B (en) * | 2019-05-29 | 2021-10-29 | 广东瑞谷光网通信股份有限公司 | Method and device for testing isolation between light receiving device channels on line, electronic equipment and computer readable storage medium |
| CN111855153A (en) * | 2020-07-21 | 2020-10-30 | 武汉优光科技有限责任公司 | Device and method for testing isolation degree of optical isolator |
| CN111855153B (en) * | 2020-07-21 | 2022-06-10 | 武汉优光科技有限责任公司 | Device and method for testing isolation degree of optical isolator |
| CN113042399A (en) * | 2021-03-25 | 2021-06-29 | 河南理工大学 | Automatic performance detection and automatic sorting system for free space type optical isolator |
| CN115480349A (en) * | 2022-08-30 | 2022-12-16 | 广州奥鑫通讯设备有限公司 | Optical isolator chip shifting piece optical path, device and method |
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