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Polka dot beam spliter
The polka dot beamsplitter is a beamsplitter that has aluminum coating of halftone dots (polka dots) on the glass substrate. It has a low dependence on the incident angle and can be used in a wide range of wavelengths from ultraviolet region to the infrared region.
Reflectance to transmittance ratio is manufactured by adjusting the area ratio of the points that have been coated.
Unlike dielectric beamsplitters, the polka dot beamsplitter reflectance and transmittance ratio does not change as the incident angle changes.
There are two sizes available φ25.4mm and φ50.8mm diameter and three types of reflectance to transmittance ratio, 7:3, 5:5 and 3:7.
| Clear aperture | Circle except surrounding 1.5mm |
| Model | Diameter (mm) | Thickness t(mm) | Divergence ratio (reflectance | Transmittance(％) | VS | Unit Price | Date | Cart | |||||||||||
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PDBS70-25.4C1.5 |
25.4 | 1.5 | 70:30 | 30（+0/-5） |
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Polka dot beam spliter /PDBS70-25.4C1.5
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PDBS70-50.8C1.5 |
50.8 | 1.5 | 70:30 | 30（+0/-5） |
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Polka dot beam spliter /PDBS70-50.8C1.5
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PDBSH-25.4C1.5 |
25.4 | 1.5 | 50:50 | 50（+0/-5） |
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Polka dot beam spliter /PDBSH-25.4C1.5
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PDBSH-50.8C1.5 |
50.8 | 1.5 | 50:50 | 50（+0/-5） |
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Polka dot beam spliter /PDBSH-50.8C1.5
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PDBS30-25.4C1.5 |
25.4 | 1.5 | 30:70 | 70（+0/-5） |
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Polka dot beam spliter /PDBS30-25.4C1.5
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PDBS30-50.8C1.5 |
50.8 | 1.5 | 30:70 | 70（+0/-5） |
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Polka dot beam spliter /PDBS30-50.8C1.5
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