Custom Gradient and Variable Optical Coatings
Notch Optics offers gradient/variable coatings that can be customized to vary the light intensity from 100% to < 0.1% across the substrate. These coatings are designed to attenuate light as the filter is translated or rotated, which is suitable for both broadband and single-band applications. Achieving large apertures is possible by translating or rotating two gradient/variable filters in opposite directions.
Available in various configurations, these coatings operate across the UV–IR spectrum. Filter options include Linear Apodizing, Circular Variable Neutral Density, Circular Variable Neutral Transmission, Linear Variable Neutral Density, and Linear Variable Neutral Transmission.
From custom prototypes to volume production, we cater to your specific optical coating needs.
Reach out to us for your custom optical coating requirements today!
Specifications
| Gradient Coating Types: | Apodizing, Arc, Circular, Comb & Linear |
| Sizes: | Up to 6" |
| Optical Density Range: | 0-1, 2, 3, 4, or 5 (specify) |
| Wavelength: | 375 to 2500 nm (typical) Extended Ranges 200 nm to 15 µm with specialized substrate material |
| Substrate Materials: | N-BK7, Fused Silica & ZnSe |
| Coating Types: | Dielectric & Metallic |
