Complaint
Filters are designed by their manufacturers to transmit or absorb different wavelengths of light. And they are widely used in scientific experiments and industrial applications where that change is necessary. PHYO can supply a full range of filter, such as short pass Filter, Long pass Filter, Band pass Filter, etc.
| Material | Fused Silica, N-BK7, H-K9L, Corning HPFS |
| Size Range | Circular, Square or prisms |
| Diameter Tolerance | +0.1/-0.1 to +/-0.05 |
| Angle Tolerance | +/-30sec |
| Polishing | Customerized polishing surface |
| Flatness | 2L - L/4 |
| Surface quality | 40-20 |
| Clear Aperture | 95% of the surface |
| Coating | Customized |
Different Type of Filter Coating
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