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Ultraviolet (UV) Dome Lens
Key words:
Optical dome
Classification:
Optical dome
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Ultraviolet (UV) Dome Lens
Most optical glasses can effectively transmit visible and near-infrared light. However, in the near ultraviolet region, most glass absorbs light to some extent. If the optical system must transmit ultraviolet light, the most common materials are fused silica and fused silica. Some heavy flint optical glasses have a low transmittance in the dark blue wavelength range and have a slightly yellow appearance.
One of the characteristics of quartz glass is that it has high light transmittance for ultraviolet, visible, and infrared rays. Quartz glass made from ultra-pure silicon dioxide (SiO2) as raw material has a total metal element content of only 1% × 10-6, therefore the UV transmittance is the highest, especially for shortwave UV; The wavelength of 180nm has a transmittance of up to 80%, and the wavelength of 190nm has a transmittance of up to 90%, making it an ideal ultraviolet material.
● Maximum Diameter can reach 350 mm
● Surface Accuracy can reach λ/10
China Star Optics manufactures optical domes made from a variety of substrate materials including BK7, Sapphire, Fused Silica, Germanium, Zinc Selenide etc. with high resistance to temperature, shock, wear and scratches, suitable for range of Visible, IR or UV. China Star Optics persist in seeking technological breakthroughs. A number of our processing technologies have awarded patent certificates. Innovative production techniques and consistent quality have led our optical domes a steady share in the industry.
China Star Optics offers high quality custom designed optical domes in any quantity from testing sample to mass production. Extremely small MOQ helps to reduce your initial project investment.
- Capacities from 10 mm to 350 mm
- A variety of UV, VIS, IR materials and crystals available
- In accordance with RoHS Standard
- Custom upon your unique optical requirements
Specifications
| Material: | BK7, Fused silica, Ge, ZnSe etc. |
| Shape: | Hemispheric |
| Diameter: | 10-350mm +0/-0.2mm |
| Surface Quality: | 60/40 Scratch and Dig |
| Flatness: | N<10(1) @632.8 nm |
| Lens Centration: | 1 arc sec |
| Coating: | AR Coating inside of dome |
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