CN2768027Y - Anti-halation glass cathode window element - Google Patents
Anti-halation glass cathode window element Download PDFInfo
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- CN2768027Y CN2768027Y CN 200520000416 CN200520000416U CN2768027Y CN 2768027 Y CN2768027 Y CN 2768027Y CN 200520000416 CN200520000416 CN 200520000416 CN 200520000416 U CN200520000416 U CN 200520000416U CN 2768027 Y CN2768027 Y CN 2768027Y
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Abstract
The utility model discloses an anti-halation glass cathode window element which belongs to the micro light night viewing material field. The utility model is characterized in that the utility model comprises an outer layer area, a viewing field area and an interlayer area, wherein the outer layer area and the interlayer area are tubular, and the viewing field area is cylindrical. A tubular inner wall of the interlayer area is sheathed with the surface of the cylindrical viewing field area, and the tubular inner wall of the outer layer area is sheathed with the tubular outer wall of the interlayer area. A structure is simple and novel, and simultaneously the utility model has anti-halation and all wave band light transmittance high double performances, can be applied to a cathode window material for night viewing systems of a chariot, a tank, a cruise missile, etc., in national defence and military affairs and can also be applied to an ultraviolet-visible-infrared multifunctional observing and photo taking system.
Description
Technical field
The utility model relates to a kind of antihalation glass negative electrode window element that is applied in the lll night vision system.
Background technology
Lll night vision is the new technique that gets up from discipline developments such as sixties collection microelectronics science, semiconductor science, material science.Since the sixties, first generation lll night vision came into operation, lll night vision had experienced a generation, two generations, surpassed for two generations, three generations and reinforcement three generations's (four generations) evolution.Although be subjected to the challenge of the flourish thermal imaging of the eighties, low-light is because of characteristics such as its volume are little, in light weight, cost performance is high, maintenance is convenient, and still develop with 10% speed every year.
The cathode window gate material is the critical material of lll night vision, lll night vision is since being born the sixties, and the cathode window gate material has experienced optical fibre face plate, the antihalation glass input window, the development course of uviol window, will be antihalation all band glass cathode window future.
The antihalation glass input window has characteristics such as high permeability, zero defect, antihalation, can improve cathode sensitivity 20%, has significantly improved picture element, is that sticking-type surpassed for two generations, three generations, reinforcement three generations gleam image intensifier critical optical elements.But antihalation glass input window ultraviolet through performance is poor, night vision system ultraviolet difference in response by its equipment, though can well be applicable to environment is green area, but under the environment in desert and mountain region, require night vision system that royal purple light and ultraviolet light are had good response, this just requires the saturating ultraviolet performance of glass input window good.The ultraviolet imaging enhancer of just having succeeded in developing in recent years has good response to royal purple light and ultraviolet light, but because the uviol input window of using does not have the antihalation effect, is easy to be subjected to the interference of parasitic light, and overall performance is on the low side.As shown in Figure 3,, produce parasitic light easily in the visual field district, have a strong impact on the performance of gleam image intensifier through reflection of light when incident illumination during in the metal electrode bed interface.
The utility model content
Poor in order to overcome present antihalation glass input window ultraviolet light through performance, the uviol input window easily produces the defective of interference of stray light, and the purpose of this utility model is to provide a kind of glass negative electrode window element that has antihalation and the high dual performance of all band transmittance simultaneously.
To achieve these goals, the utility model adopts following technical scheme: a kind of antihalation glass negative electrode window element, it is characterized in that: it comprises outer layer zone, visual field district and interlayer district, described outer layer zone and interlayer district are tubulose, described visual field district is cylindric, the inwall of its interlayer district tubulose and the surface socket of cylindric visual field district, the outer wall socket of the inwall of described outer layer zone tubulose and described interlayer district tubulose.
The material of above-mentioned outer layer zone is common quartz glass, and the material in described visual field district is all band pure quartz glass, and the material in described interlayer district is a doped silica glass.
The thickness of above-mentioned doped silica glass is 0.3～2.0mm.
The transmitance of above-mentioned all band pure quartz glass is T
300-900nm〉=92%, T
200nm〉=83%; The transmitance of doped silica glass is T
200-900nm≤ 20%.
The utility model adopts the antihalation glass negative electrode window element of said structure moulding, and beneficial effect is as follows:
1, the visual field district adopts all band pure quartz glass material, its transmitance T
300-900nm〉=92%, T
200nm〉=83%, the through performance of ultraviolet light obviously improves; Be positioned at and sheathedly outside the district of visual field constitute the interlayer district by the doped silica glass pipe, because doped silica glass is induced the high-absorbable energy that has after the processing parasitic light through physical chemistry, when exceeding the parasitic light that produces when windowpane is incided in the visual field district, incident light just can be absorbed by the interlayer district, thereby reach the effect of antihalation, the structural design of this window element has effectively overcome the interference of using the parasitic light that the uviol window is easy to generate, has obtained the high-permeability energy of ultraviolet light simultaneously.
2, the utility model has solved the lll night vision window that this area can't resolve for a long time and can have the problem of all band high transmission rate again by antihalation, its novel structure, of many uses, can satisfy the specific (special) requirements of using the negative electrode window element in the night vision systems such as the used battlebus of national defense and military, tank, cruise missile, also can observe in the photographic system and use at the ultraviolet-visible infrared multifunctional; Also can be widely used in public security People's Armed Police, health care, scientific research and commercial production and sports and tourism field such as spend holidays.
Description of drawings
Fig. 1 is a front view of the present utility model
Fig. 2 is a cut-open view of the present utility model
Fig. 3 penetrates synoptic diagram for having negative electrode window component structure and light now
Embodiment
Below in conjunction with accompanying drawing this negative electrode window element is described further.
As shown in Figure 1, 2, the utility model is made up of outer layer zone (1), visual field district (2) and interlayer district (3) three parts.Wherein, visual field district (2) are cylindric, and its material adopts the pure quartz glass of all band high permeability, outer layer zone (2) is a tubulose, its material adopts common quartz glass, and interlayer district (3) are tubulose, and its material adopts the doped silica glass with high-absorbable energy.
Concrete forming method: will connect as all band pure quartz glass rod of visual field district (2) with as the doped silica glass pipe box of interlayer district (3) earlier, utilize the synthetic method of high temperature to make it to become one, the method of utilizing physical chemistry to induce then makes doped silica glass surface melanism, and then with common quartz glass tube socket as outer layer zone (1), utilize the synthetic method of high temperature to make it to become one, cut into slices, process according to customer requirement again, just made antihalation all band glass negative electrode window element of the present utility model; When assembling lll night vision system, need plate electrode on the light-emitting window surface of this window element outer layer zone (1), plate negative electrode on the light-emitting window surface in this window element visual field district (2); The transmitance in whole visual field district (2) should satisfy: T
300-900nm〉=92%, T
200nm〉=83%; The transmitance in interlayer district (3) should satisfy T
200-900nm≤ 20%.
Claims (4)
1, a kind of antihalation glass negative electrode window element, it is characterized in that: it comprises outer layer zone, visual field district and interlayer district, described outer layer zone and interlayer district are tubulose, described visual field district is cylindric, the inwall of its interlayer district tubulose and the surface socket of cylindric visual field district, the outer wall socket of the inwall of described outer layer zone tubulose and described interlayer district tubulose.
2, according to the described antihalation glass of claim 1 negative electrode window element, it is characterized in that: the material of described outer layer zone is common quartz glass, and the material in described visual field district is all band pure quartz glass, and the material in described interlayer district is a doped silica glass.
3, according to the described antihalation glass of claim 2 negative electrode window element, it is characterized in that: the thickness of described doped silica glass is 0.3～2.0mm.
4, according to claim 2 or 3 described antihalation glass negative electrode window element, it is characterized in that: the transmitance of described all band pure quartz glass is T
300-900nm〉=92%, T
200nm〉=83%; The transmitance of described doped silica glass is T
200-900nm≤ 20%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520000416 CN2768027Y (en) | 2005-02-05 | 2005-02-05 | Anti-halation glass cathode window element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520000416 CN2768027Y (en) | 2005-02-05 | 2005-02-05 | Anti-halation glass cathode window element |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2768027Y true CN2768027Y (en) | 2006-03-29 |
Family
ID=36681896
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520000416 Expired - Lifetime CN2768027Y (en) | 2005-02-05 | 2005-02-05 | Anti-halation glass cathode window element |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2768027Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105523706A (en) * | 2016-01-26 | 2016-04-27 | 中国建筑材料科学研究总院 | Anti-halation step glass as well as blank and preparation method thereof |
| CN112885683A (en) * | 2021-01-14 | 2021-06-01 | 北方夜视技术股份有限公司 | Plating of SiO2Or Al2O3Antimony alkali photocathode of dielectric film of material and plating method |
-
2005
- 2005-02-05 CN CN 200520000416 patent/CN2768027Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105523706A (en) * | 2016-01-26 | 2016-04-27 | 中国建筑材料科学研究总院 | Anti-halation step glass as well as blank and preparation method thereof |
| CN105523706B (en) * | 2016-01-26 | 2018-05-08 | 中国建筑材料科学研究总院 | Antihalation step glass and its blank and preparation method |
| CN112885683A (en) * | 2021-01-14 | 2021-06-01 | 北方夜视技术股份有限公司 | Plating of SiO2Or Al2O3Antimony alkali photocathode of dielectric film of material and plating method |
| CN112885683B (en) * | 2021-01-14 | 2022-06-10 | 北方夜视技术股份有限公司 | Antimony alkali photocathode for plating dielectric film made of SiO2 or Al2O3 material and plating method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20150205 Granted publication date: 20060329 |