CN216248372U - Ultra-wideband antireflection film system based on PC optical product - Google Patents
Ultra-wideband antireflection film system based on PC optical product Download PDFInfo
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- CN216248372U CN216248372U CN202121289430.1U CN202121289430U CN216248372U CN 216248372 U CN216248372 U CN 216248372U CN 202121289430 U CN202121289430 U CN 202121289430U CN 216248372 U CN216248372 U CN 216248372U
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- 230000003287 optical effect Effects 0.000 title claims abstract description 27
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 22
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 22
- 229910052681 coesite Inorganic materials 0.000 claims abstract description 11
- 229910052906 cristobalite Inorganic materials 0.000 claims abstract description 11
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 11
- 235000012239 silicon dioxide Nutrition 0.000 claims abstract description 11
- 229910052682 stishovite Inorganic materials 0.000 claims abstract description 11
- 229910052905 tridymite Inorganic materials 0.000 claims abstract description 11
- 229910001635 magnesium fluoride Inorganic materials 0.000 claims abstract description 9
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 description 5
- 238000002834 transmittance Methods 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003333 near-infrared imaging Methods 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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Abstract
The utility model provides an ultra-wideband antireflection film system based on a PC optical product, which consists of 10 film layers plated on the PC optical product, wherein the 10 film layers sequentially comprise: the film comprises a SiO film layer serving as a first layer and attached to the surface of a PC optical product, SiO2 film layers and TiO2 film layers serving as second to ninth layers which are alternately stacked, and a MgF2 film layer serving as a tenth layer.
Description
Technical Field
The utility model relates to an antireflection film system, in particular to an ultra-wideband antireflection film system based on a PC optical product.
Background
The PC optical product has the problem of low transmittance of incident light in the application field of 400nm-1000nm visible light-near infrared imaging, only about 89% of incident light is incident, and nearly 11% of light signals are reflected and lost by the optical surface of the PC optical product, so that the imaging quality of the PC optical product is reduced.
SUMMERY OF THE UTILITY MODEL
In view of the above technical problems, an object of the present invention is to provide an ultra-wideband antireflection film system based on a PC optical product, which is a 10-layer antireflection film system designed based on a PC optical product, and an average reflectance in a visible-near infrared ultra-wide band range of 400nm to 1000nm is reduced to less than 0.5%, so that an average transmittance is increased by more than 10% and reaches more than 99%, thereby effectively enhancing a transmission intensity of signal light.
The utility model provides the following technical scheme:
an ultra-wideband antireflection coating system based on a PC optical product is composed of 10 film layers plated on the PC optical product, wherein the 10 film layers sequentially comprise: the film comprises a SiO film layer which is used as a first layer and is attached to the surface of a PC optical product, a SiO2 film layer and a TiO2 film layer which are alternately stacked and are used as second to ninth layers, and a MgF2 film layer which is used as a tenth layer.
Preferably, the thickness of the SiO film layer is 0.0438 nm.
Preferably, the thicknesses of the SiO2 film layers and the TiO2 film layers alternately stacked as the second layer to the ninth layer are as follows: 1.6005nm, 0.1356nm, 0.3608nm, 0.4068nm, 0.1469nm, 0.7015nm, 0.1978nm and 0.2948 nm.
Preferably, the thickness of the MgF2 film layer is 0.7796 nm.
The utility model has the beneficial effects that:
1. the ultra-wideband antireflection film system based on the PC optical product has the effects of improving the light transmittance of the PC optical product in a 400nm-1000nm wave band, so that the signal-to-noise ratio of the whole product is enhanced;
2. the first layer is made of SiO materials, so that the adhesive force between the film system and PC materials can be effectively improved, and the reliability of the film system is enhanced;
3. by adopting MgF2 on the tenth layer, the overall transmittance performance can be effectively improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:
FIG. 1 is a graph of the reflectance of a film system of the present invention (average reflectance less than 0.5%);
FIG. 2 is a schematic structural view of the present invention;
Detailed Description
As shown in fig. 1, in this embodiment, a substrate is made of a PC material, a reference wavelength is 800nm, a target waveband is in a range of 400nm to 1000nm, a first layer attached to the surface of the PC optical product is made of SiO to serve as a transition layer, SiO2 and TiO2 are alternately stacked from a second layer to a ninth layer, and a last layer is made of MgF2 having a relatively low refractive index, which is very helpful for improving the anti-reflection performance of the whole film system, and the structure of the finally optimized specific film system is listed as follows:
| |
1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
| Material | SiO | SiO2 | TiO2 | SiO2 | TiO2 | SiO2 | TiO2 | SiO2 | TiO2 | MgF2 |
| QWOT | 0.0438 | 1.6005 | 0.1356 | 0.3608 | 0.4068 | 0.1469 | 0.7015 | 0.1978 | 0.2948 | 0.7796 |
the table comprises the layer number, the film layer material and the optical thickness from top to bottom. Referring to fig. 2, the film layers attached to the surface of the PC optical product 11 are: a first layer 1, a second layer 2, a third layer 3, a fourth layer 4, a fifth layer 5, a sixth layer 6, a seventh layer 7, an eighth layer 8, a ninth layer 9, and a tenth layer 10.
The ultra-wideband antireflection film system based on the PC optical product comprises 10 layers in total, wherein the first layer is SiO, the optical thickness is 0.0438nm, SiO2 and TiO2 are alternately stacked from the second layer to the ninth layer, and the thicknesses are as follows: 1.6005nm, 0.1356nm, 0.3608nm, 0.4068nm, 0.1469nm, 0.7015nm, 0.1978nm and 0.2948nm, wherein the last layer is MgF2 and is 0.7796nm thick;
the obtained reflectivity curve graph is shown in the figure with the reference wavelength of 800nm and the target wave band of 400nm-1000nm, and the curve shows: the average reflectance shown on the vertical axis is less than 0.5% for the wavelength on the horizontal axis.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. An ultra-wideband antireflection coating system based on a PC optical product is characterized in that the ultra-wideband antireflection coating system consists of 10 film layers plated on the PC optical product, and the 10 film layers sequentially comprise: the film comprises a SiO film layer which is used as a first layer and is attached to the surface of a PC optical product, a SiO2 film layer and a TiO2 film layer which are alternately stacked and are used as second to ninth layers, and a MgF2 film layer which is used as a tenth layer.
2. The ultra-wideband antireflection film system according to claim 1, wherein the thickness of the SiO film layer is 0.0438 nm.
3. The ultra-wideband antireflection film system based on PC optical products of claim 1, wherein the thicknesses of the SiO2 film layers and the TiO2 film layers alternately stacked as the second layer to the ninth layer are as follows: 1.6005nm, 0.1356nm, 0.3608nm, 0.4068nm, 0.1469nm, 0.7015nm, 0.1978nm and 0.2948 nm.
4. The ultra-wideband antireflection film system for PC optical products of claim 1, wherein said MgF2 film layer has a thickness of 0.7796 nm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121289430.1U CN216248372U (en) | 2021-06-09 | 2021-06-09 | Ultra-wideband antireflection film system based on PC optical product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121289430.1U CN216248372U (en) | 2021-06-09 | 2021-06-09 | Ultra-wideband antireflection film system based on PC optical product |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216248372U true CN216248372U (en) | 2022-04-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121289430.1U Active CN216248372U (en) | 2021-06-09 | 2021-06-09 | Ultra-wideband antireflection film system based on PC optical product |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216248372U (en) |
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2021
- 2021-06-09 CN CN202121289430.1U patent/CN216248372U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
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Address after: No.106, Xinjin Road, Xinwu District, Wuxi City, Jiangsu Province, 214000 Patentee after: Wuxi Xinjuhong Intelligent Technology Co.,Ltd. Country or region after: China Address before: Landlord Kua, No. 3 Qianjin Industrial Park, Jiangxi Economic Development Park, Xinwu District, Wuxi City, Jiangsu Province (No. 101 Xinjin Road) Patentee before: WUXI XINJUHONG INTELLIGENT TECHNOLOGY Co.,Ltd. Country or region before: China |