CN203573040U - Mechanical device for adjusting polarizing direction of transmission light in optic fiber - Google Patents
Mechanical device for adjusting polarizing direction of transmission light in optic fiber Download PDFInfo
- Publication number
- CN203573040U CN203573040U CN201320767355.4U CN201320767355U CN203573040U CN 203573040 U CN203573040 U CN 203573040U CN 201320767355 U CN201320767355 U CN 201320767355U CN 203573040 U CN203573040 U CN 203573040U
- Authority
- CN
- China
- Prior art keywords
- optical fiber
- microstress
- optic fiber
- retaining element
- piezoelectric ceramics
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- 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.)
- Expired - Lifetime
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 23
- 239000000835 fiber Substances 0.000 title claims abstract description 17
- 239000000919 ceramic Substances 0.000 claims abstract description 42
- 239000013307 optical fiber Substances 0.000 claims description 62
- 230000010287 polarization Effects 0.000 claims description 21
- 230000003287 optical effect Effects 0.000 abstract description 4
- 230000000737 periodic effect Effects 0.000 abstract description 4
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Abstract
The utility model belongs to the technical field of optic fiber, optical communication and laser, and particularly relates to a mechanical device for adjusting the polarizing direction of transmission light in an optic fiber. The mechanical device comprises a microstress applying element, a piezoelectric ceramic fixing element, an optic fiber fixing element, a piezoelectric ceramic block, an optic fiber, and a fixing bracket for the microstress applying element. The mechanical device is characterized in that the optic fiber is fixedly arranged on the optic fiber fixing element, the piezoelectric ceramic block is fixedly arranged on the piezoelectric ceramic fixing element and is in contact with the side surface of the optic fiber, and the microstress applying element is fixedly arranged on the fixing bracket of the microstress applying element. The mechanical device has the advantages that the stress is applied to the optic fiber by the microstress applying element, so the polarizing direction of the transmission light in the optic fiber is changed; by utilizing the piezoelectric ceramic block, the periodic stress is applied to the optic fiber under the driving of an outer periodic electric signal, so the polarizing direction of the transmission light in the optic fiber is periodically changed; the polarizing direction of the transmission light in the optic fiber is effectively adjusted by the simple mechanical device; the structure is simple, the operation is convenient, and the like.
Description
Technical field
The utility model relates to a kind of device that can realize change light polarization direction, and especially a kind of mechanical hook-up that regulates the polarization direction of transmission light in optical fiber, belongs to optical fiber, optical communication and laser technology field.
Background technology
Direction of vibration is called polarization for the asymmetry of the direction of propagation, and it is the distinguishing mark that shear wave is different from other compressional waves, only has shear wave just to have polarization phenomena.Light wave is electromagnetic wave, belongs to shear wave, has polarizability.Many optical devices, the making of light device, especially optical fibre device is all based on polarisation of light, such as isolator, mode locked fiber laser, Q adjusting optical fiber laser etc.Effectively regulate the polarization direction of transmission light in optical fiber will contribute to make some new optical devices.
Summary of the invention
The purpose of this utility model is to provide a kind of mechanical hook-up that regulates the polarization direction of transmission light in optical fiber.
The utility model can be realized by the following technical programs.
A kind of mechanical hook-up that regulates the polarization direction of transmission light in optical fiber, comprise: microstress applies element, piezoelectric ceramics retaining element, optical fiber retaining element, piezoelectric ceramics block, optical fiber, microstress applies element fixed support, it is characterized in that optical fiber is fixed on optical fiber retaining element, piezoelectric ceramics is fixed on piezoelectric ceramics retaining element and contacts optical fiber side, and microstress applies element and is fixed on microstress and applies on element fixed support.
The workplace of optical fiber retaining element described in the utility model is plane, and optical fiber lies on the workplace of optical fiber retaining element.
It is block that piezoelectric ceramics retaining element described in the utility model is, its lower plane of piezoelectric ceramics retaining element is workplace, lower plane is provided with Baltimore groove, piezoelectric ceramics retaining element is bearing on optical fiber retaining element through lower plane, in the Baltimore groove of piezoelectric ceramics retaining element, be provided with piezoelectric ceramics block, the lower surface of piezoelectric ceramics block contacts with optical fiber side.
Microstress described in the utility model applies element fixed support and is comprised of left branching rod and crossbearer, and left branching rod is supported on optical fiber retaining element, and crossbearer is used for fixing microstress and applies element.
Microstress described in the utility model applies element and is fixed on microstress and applies on the support bracket fastened crossbearer of element, and microstress applies element lower end and is supported on piezoelectric ceramics retaining element.
Optical fiber described in the utility model is non PM fiber;
The utility model applies element to optical fiber stress application by microstress, change the polarization direction of transmission light in optical fiber, pass through piezoelectric ceramics, under outside periodic electrical signal drives, optical fiber is applied to respective cycle stress, thereby the polarization direction of transmission light in periodically-varied optical fiber, by easy mechanical hook-up, realize effective adjusting of the polarization direction to transmission light in optical fiber, there is the advantages such as simple in structure, easy to operate.
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Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the present utility model.
Mark in figure: 1 for microstress applies element, 2 is piezoelectric ceramics retaining element, and 3 is optical fiber retaining element, and 4 is piezoelectric ceramics, and 5 is optical fiber, 6 apply element fixed support for microstress.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described.
As shown in Figure 1, a kind of mechanical hook-up that regulates the polarization direction of transmission light in optical fiber.This mechanical hook-up comprises: microstress applies element 1, piezoelectric ceramics retaining element 2, optical fiber retaining element 3, piezoelectric ceramics 4, optical fiber 5, vernier adjustment knob fixed support 6, it is block that described piezoelectric ceramics retaining element 2 is, piezoelectric ceramics retaining element 2 its lower planes are workplace, lower plane is provided with Baltimore groove, piezoelectric ceramics retaining element 2 is bearing on optical fiber retaining element 3 through lower plane, is provided with piezoelectric ceramics block 4 in the Baltimore groove of piezoelectric ceramics retaining element 2, and the lower surface of piezoelectric ceramics block 4 contacts with optical fiber 5 sides, the workplace of described optical fiber retaining element 3 is plane, and optical fiber lies on the workplace of optical fiber retaining element 3, microstress described in the utility model applies element fixed support 6 and is comprised of left branching rod and crossbearer, left branching rod is supported on optical fiber retaining element 3, crossbearer is used for fixing microstress and applies element 1, and microstress applies element 1 lower end and is supported on piezoelectric ceramics retaining element 2, optical fiber 5 is non PM fiber, be fixed on optical fiber retaining element, piezoelectric ceramics is fixed on piezoelectric ceramics retaining element and contacts optical fiber side, microstress applies element and is fixed on vernier adjustment knob fixed support, the utility model applies element to optical fiber stress application by microstress, change the polarization direction of transmission light in optical fiber, pass through piezoelectric ceramics, under outside periodic electrical signal drives, optical fiber is applied to respective cycle stress, thereby the polarization direction of transmission light in periodically-varied optical fiber, by easy mechanical hook-up, realized effective adjusting of the polarization direction to transmission light in optical fiber, have simple in structure, the advantage such as easy to operate.
Claims (6)
1. one kind regulates the mechanical hook-up of the polarization direction of transmission light in optical fiber, comprise: microstress applies element, piezoelectric ceramics retaining element, optical fiber retaining element, piezoelectric ceramics block, optical fiber, microstress applies element fixed support, it is characterized in that optical fiber is fixed on optical fiber retaining element, piezoelectric ceramics is fixed on piezoelectric ceramics retaining element and contacts optical fiber side, and microstress applies element and is fixed on microstress and applies on element fixed support.
2. a kind of mechanical hook-up that regulates the polarization direction of transmission light in optical fiber according to claim 1, the workplace that it is characterized in that optical fiber retaining element is plane, optical fiber lies on the workplace of optical fiber retaining element.
3. a kind of mechanical hook-up that regulates the polarization direction of transmission light in optical fiber according to claim 1, it is characterized in that piezoelectric ceramics retaining element is block, its lower plane of piezoelectric ceramics retaining element is workplace, lower plane is provided with Baltimore groove, piezoelectric ceramics retaining element is bearing on optical fiber retaining element through lower plane, in the Baltimore groove of piezoelectric ceramics retaining element, be provided with piezoelectric ceramics block, the lower surface of piezoelectric ceramics block contacts with optical fiber side.
4. a kind of mechanical hook-up that regulates the polarization direction of transmission light in optical fiber according to claim 1, it is characterized in that microstress applies element fixed support and is comprised of left branching rod and crossbearer, left branching rod is supported on optical fiber retaining element, and crossbearer is used for fixing microstress and applies element.
5. a kind of mechanical hook-up that regulates the polarization direction of transmission light in optical fiber according to claim 4, it is characterized in that microstress applies element and is fixed on microstress and applies on the support bracket fastened crossbearer of element, microstress applies element lower end and is supported on piezoelectric ceramics retaining element.
6. a kind of mechanical hook-up that regulates the polarization direction of transmission light in optical fiber according to claim 1, is characterized in that optical fiber is non PM fiber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320767355.4U CN203573040U (en) | 2013-11-29 | 2013-11-29 | Mechanical device for adjusting polarizing direction of transmission light in optic fiber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320767355.4U CN203573040U (en) | 2013-11-29 | 2013-11-29 | Mechanical device for adjusting polarizing direction of transmission light in optic fiber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203573040U true CN203573040U (en) | 2014-04-30 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320767355.4U Expired - Lifetime CN203573040U (en) | 2013-11-29 | 2013-11-29 | Mechanical device for adjusting polarizing direction of transmission light in optic fiber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203573040U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103885211A (en) * | 2013-11-29 | 2014-06-25 | 山东海富光子科技股份有限公司 | Mechanical device capable of regulating polarization direction of optical fiber transmission light |
| CN110119041A (en) * | 2018-02-07 | 2019-08-13 | 桂林电子科技大学 | Piezoelectric ceramics microarray polarization type optical fiber acousto-optic device |
-
2013
- 2013-11-29 CN CN201320767355.4U patent/CN203573040U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103885211A (en) * | 2013-11-29 | 2014-06-25 | 山东海富光子科技股份有限公司 | Mechanical device capable of regulating polarization direction of optical fiber transmission light |
| CN110119041A (en) * | 2018-02-07 | 2019-08-13 | 桂林电子科技大学 | Piezoelectric ceramics microarray polarization type optical fiber acousto-optic device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Mechanical device capable of regulating polarization direction of optical fiber transmission light Effective date of registration: 20151016 Granted publication date: 20140430 Pledgee: Weihai commercial bank Limited by Share Ltd. Pledgor: HFB Photonics Co.,Ltd. Registration number: 2015990000870 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20171107 Granted publication date: 20140430 Pledgee: Weihai commercial bank Limited by Share Ltd. Pledgor: HFB Photonics Co.,Ltd. Registration number: 2015990000870 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Mechanical device capable of regulating polarization direction of optical fiber transmission light Effective date of registration: 20171107 Granted publication date: 20140430 Pledgee: Weihai City Commercial Bank Limited by Share Ltd. high tech branch Pledgor: HFB Photonics Co.,Ltd. Registration number: 2017990001036 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20211014 Granted publication date: 20140430 Pledgee: Weihai City Commercial Bank Limited by Share Ltd. high tech branch Pledgor: HFB Photonics Co.,Ltd. Registration number: 2017990001036 |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140430 |