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info@hb-optical.com
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No. 242 Beihai Street, Dadong District, Shenyang City
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Shenyang Instrument Science Research Institute Co., Ltd
5G optical communication filter
NegotiableUpdate on 02/26
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Overview
Circular gradient neutral density filter (referred to as circular gradient density sheet) can linearly attenuate light intensity by rotating the filter, achieving precise adjustment of light energy in the circular linear direction. While maintaining the neutral spectral light energy distribution, it can achieve adjustable and controllable light energy
Product Details
Circular gradient neutral density filter (referred to as circular gradient density sheet) can linearly attenuate light intensity by rotating the filter, achieving precise adjustment of light energy in the circular linear direction, and achieving adjustable and controllable light energy while maintaining the neutral spectral light energy distribution. This type of filter can be applied in fields such as natural light and laser. By combining two filters and rotating them in the opposite direction, a fixed density attenuation effect can be obtained in a larger limited area. Product sizes are available from 25mm to 100mm. The spectral range is 250nm-2500nm. Special size, density, and wavelength density sheets can be customized.
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Detailed specifications:
|
substrate |
BK7 、 fused silica |
|
outside diameter |
20mm-200mm |
|
inside diameter |
7.5mm、8.0mm、8.3mm |
|
Outer diameter tolerance |
+0/-0.15mm |
|
Inner diameter tolerance |
+0.15/-0mm |
|
Tolerance |
±0.1mm |
|
parallelism |
3’ |
|
Standard linearity |
±5% |
|
Standard deviation of the deepest point of optical density |
±5% |
|
SURFACE QUALITY |
80-50 |
|
Coating area |
0°-270° |
|
Calibration wavelength |
550nm |
|
design wavelength |
380nm-2000nm (BK7) 250nm-2500nm (fused silica) |
Standard product:
|
Part No |
outside diameter |
inside diameter |
optical density |
substrate |
|
CVND10-B100A |
100 |
7.5 |
1 |
BK7 |
|
CVND20-B100A |
100 |
7.5 |
2 |
BK7 |
|
CVND30-B100A |
100 |
7.5 |
3 |
BK7 |
|
CVND40-B100A |
100 |
7.5 |
4 |
BK7 |
|
CVND10-B50B |
50 |
8.0 |
1 |
BK7 |
|
CVND20-B50B |
50 |
8.0 |
2 |
BK7 |
|
CVND30-B50B |
50 |
8.0 |
3 |
BK7 |
|
CVND40-B50B |
50 |
8.0 |
4 |
BK7 |
|
CVND10-B25C |
25 |
8.3 |
1 |
BK7 |
|
CVND20-B25C |
25 |
8.3 |
2 |
BK7 |
|
CVND30-B25C |
25 |
8.3 |
3 |
BK7 |
|
CVND40-B25C |
25 |
8.3 |
4 |
BK7 |
|
CVND10-B60C |
60 |
8.3 |
1 |
BK7 |
|
CVND20-B60C |
60 |
8.3 |
2 |
BK7 |
|
CVND30-B60C |
60 |
8.3 |
3 |
BK7 |
|
CVND40-B60C |
60 |
8.3 |
4 |
BK7 |
Mainly used in fields that require continuous attenuation of light intensity in a linear relationship (circular direction) within a wide spectral range.
