Alkor Technologies - manufacturer of synthetic Fused Silica optical components.
We supply the following Fused Silica lenses:
- Fused Silica lenses with any desired focal length:
- Plano convex Fused Silica lenses;
- Plano concave Fused Silica lenses;
- Biconvex Fused Silica lenses;
- Biconcave Fused Silica lenses;
- Positive and Negative Fused silica meniscus lenses.
- custom Fused Silica optics with AR or HR coatings.
Please send us your specifications, we will quote it for you within 24 hours.
See also: Fused Silica windows; Sapphire lenses
| Standard Specifications |
| Material |
Synthetic Fused Silica (UV or IR grade) |
| Dimensions |
± 0.00/-0.10mm |
| Thickness |
± 0.10mm |
| Focal length tolerance |
±2% |
| Surface quality |
60/40 |
| Surface irregularity |
1 λ at 0.63µm |
| Edges |
Fine Ground |
| Clear Aperture |
90% of diameter |
| Centration |
≤ 3 Arc mins |
Fused Silica lenses are available in UV and IR grades for different applications. Please see Fused Silica windows page for more information.
Fused Silica is used for lenses and prisms in the transmission range 0.16-3.5mkm. Fused Silica refractive index varies from 1.55 to 1.40 through the transmission range. It is resistant to scratching and thermal shock. AR and Reflective Coatings are available for Fused Silica optics.
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