CN1776031A - Periodic-polarized electrode structure capable of effectively reducing edge electric field strength - Google Patents
Periodic-polarized electrode structure capable of effectively reducing edge electric field strength Download PDFInfo
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- CN1776031A CN1776031A CN 200510015505 CN200510015505A CN1776031A CN 1776031 A CN1776031 A CN 1776031A CN 200510015505 CN200510015505 CN 200510015505 CN 200510015505 A CN200510015505 A CN 200510015505A CN 1776031 A CN1776031 A CN 1776031A
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- electric field
- field strength
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- edge electric
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Abstract
A cycle polarized electrode structure capable of effectively reducing edge electric field intensity, avoiding crystal breakdown and being used in small size crystal. Said structure has a frame with round corner in edge and raster electrode inside, wherein the width of frame is equal and greater than o.1 mm, the corner radius is equal and greater than I mm.
Description
Technical field
The present invention relates to nonlinear optics, ferroelectrics physics.Specifically, the present invention relates to effectively reduce the periodic-polarized electrode structure of edge electric field strength.
Background technology
It is to adopt the liquid electrode structure that present extra electric field method prepares the most successful structure of period polarized device.It mainly acts on is effectively to reduce edge electric field strength, avoids crystal to puncture.But be subjected to the restriction of liquid electrode anchor clamps, can only be applied to the sample of large-size, be not suitable for the less crystal of size.
Summary of the invention
For overcoming the deficiencies in the prior art, the object of the present invention is to provide a kind of edge electric field strength that both effectively reduced, avoid crystal to puncture, can be used for small size crystalline extra electric field polarization structure again.
The technical solution used in the present invention is: a kind of periodic-polarized electrode structure that can effectively reduce edge electric field strength, the grating electrode photoetching is at the positive farmland of crystal face, grating electrode is provided with housing, grating electrode is horizontally installed in the housing, the housing longitudinal edge is provided with fillet, outer width of frame is not less than 0.1 millimeter, and described fillet radius is not less than 1 millimeter.
In addition, also be provided with auxiliary peripheral structure and supporting electrode, peripheral structure is a high-strength insulating material, its thickness is identical with crystal thickness, the supporting electrode profile is for circle and place peripheral structure surface, crystal to be placed in the peripheral structure, and is positioned at the supporting electrode center.
The described periodic-polarized electrode structure that can effectively reduce edge electric field strength is immersed in the transformer oil.
The present invention possesses following effect: because the housing edge is provided with fillet, is provided with auxiliary peripheral structure and supporting electrode, entire structure is immersed in the transformer oil, thereby can effectively reduce edge electric field strength, and the strength of electric field maximum value transferred to auxiliary insulation peripheral structure, effectively avoided the crystal puncture.Can be used for the polarization of small size crystalline extra electric field again, and simple in structure, polarization yield rate height.
Description of drawings
Fig. 1 is one-piece construction figure of the present invention, and as Figure of abstract.1 is anodal among the figure, and 2 is peripheral structure, and 3 is negative pole, and 4 is crystal.
Fig. 2 is that Z is to the electric field distribution analysis chart.
Embodiment
Further specify the present invention below in conjunction with drawings and Examples.
As shown in Figure 1, a kind of periodic-polarized electrode structure that can effectively reduce edge electric field strength, the grating electrode photoetching is at the positive farmland of crystal face, grating electrode is provided with housing, grating electrode is horizontally installed in the housing, the housing longitudinal edge is provided with fillet, and outer width of frame is not less than 0.1 millimeter, and described fillet radius is not less than 1 millimeter.In the present embodiment, crystalline size is 22 * 6 * 0.5mm
3Housing is of a size of 19 * 3mm
2, housing line thickness 0.2mm.
The described periodic-polarized electrode structure that can effectively reduce edge electric field strength also is provided with auxiliary peripheral structure and supporting electrode, peripheral structure is a high-strength insulating material, its thickness is identical with grating electrode thickness, the supporting electrode profile is for circle and place the peripheral structure surface, crystal is placed in the peripheral structure, and is positioned at the supporting electrode center.So just further reduce edge electric field strength, simultaneously the strength of electric field maximum value has been transferred to auxiliary peripheral structure.
Entire structure is immersed in the transformer oil, to avoid positive and negative electrode generation electric discharge phenomena.
On basis of the present invention, those skilled in the art can also make various changes, for example according to crystalline size parameters such as housing size and width, peripheral structure size is carried out various variations, and these change also within protection domain of the present invention.
Claims (3)
1. periodic-polarized electrode structure that can effectively reduce edge electric field strength, the grating electrode photoetching is at the positive farmland of crystal face, it is characterized in that, be provided with housing, grating electrode is horizontally installed in the housing, the housing longitudinal edge is provided with fillet, and outer width of frame is not less than 0.1 millimeter, and described fillet radius is not less than 1 millimeter.
2. a kind of periodic-polarized electrode structure that can effectively reduce edge electric field strength according to claim 1, it is characterized in that, also be provided with auxiliary peripheral structure and supporting electrode, peripheral structure is a high-strength insulating material, its thickness is identical with crystal thickness, the supporting electrode profile is for circle and place peripheral structure surface, crystal to be placed in the peripheral structure, and is positioned at the supporting electrode center.
3. a kind of periodic-polarized electrode structure that can effectively reduce edge electric field strength according to claim 1 and 2 is characterized in that the described periodic-polarized electrode structure that can effectively reduce edge electric field strength is immersed in the transformer oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510015505 CN1776031A (en) | 2005-10-19 | 2005-10-19 | Periodic-polarized electrode structure capable of effectively reducing edge electric field strength |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510015505 CN1776031A (en) | 2005-10-19 | 2005-10-19 | Periodic-polarized electrode structure capable of effectively reducing edge electric field strength |
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| Publication Number | Publication Date |
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| CN1776031A true CN1776031A (en) | 2006-05-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 200510015505 Pending CN1776031A (en) | 2005-10-19 | 2005-10-19 | Periodic-polarized electrode structure capable of effectively reducing edge electric field strength |
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| CN (1) | CN1776031A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106662961A (en) * | 2014-08-11 | 2017-05-10 | 3M创新有限公司 | Capacitive touch sensor apparatus |
-
2005
- 2005-10-19 CN CN 200510015505 patent/CN1776031A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106662961A (en) * | 2014-08-11 | 2017-05-10 | 3M创新有限公司 | Capacitive touch sensor apparatus |
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