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Suprasil® Aspheric Lenses SKU: 118-2535
Features: • Spherical and Coma aberrations corrected • Back reflected light is divergent • Substrate material absorption: <3 ppm/cm at 1064 nm • Total metallic impurities: <1 ppm • AR coating absorption at 1070 nm: ~0.5 ppm CNC polished precision aspherical lenses are designed…
Variant specifications
| Specification | Value |
|---|---|
| Substrate | Suprasil |
| Diameter | 25.4 mm |
| CT | 7.33 mm |
| EFL | 35 mm |
| Coating | Uncoated |
| Group | Uncoated Convex-Aspheric Lenses |
Shared product specifications
These specifications apply across the Suprasil® Aspheric Lenses product family.
SUBSTRATE SPECIFICATIONS
| Refractive index | Suprasil® – Nd=1.45846 |
| Design wavelength | 1030 nm (refractive index N=1.4496) |
| Surface quality | 40-20 scratch & dig (uncoated) |
| Clear aperture | >85% of diameter |
| Diameter tolerance | +0.0, -0.05 mm |
| Bevel | 0.3 mm max @ 45° |
| Center thickness tolerance | ≤0.05 mm |
| EFL tolerance | ≤0.1% |
| Asphere figure error P-V | ±1 µm |
| Surface form deviation RMS | ≤0.3 µm |
| Slope error | <0.3mrad / mm |
| Centration | <3 arc min |
COATING SPECIFICATIONS
| Technology | Ion Beam Sputtering |
| Adhesion and Durability | Per MIL-C-675A. Insoluble in lab solvents |
| Clear Aperture | Exceeds central 85% of diameter |
| Reflectivity at 1000-1080 nm | <0.1% at AOI=0-15° and <0.3% at AOI=15-33° |
| Damage Threshold | >560 mJ / cm², 200 fsec pulse, 200 Hz, 1030 nm / < >16M W / cm² CW at 1070 nm, linear power density 172 kW / cm |
| Absorption in coating | <1 ppm at 1070 nm |
| Angle of incidence | 0-33° |
Classification
| Line | femtoline |
| Type | thin |