Description
Manufactured from high-quality optical materials such as BK7 and Fused Silica, these lenses offer:
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Consistent optical performance: High homogeneity and optical clarity across the surface
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Broad wavelength applicability: Suitable for visible and near-infrared ranges
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Reliable mechanical quality: Durable and stable under standard laboratory and industrial conditions
These lenses are ideal for applications in laser systems, imaging instruments, optical setups, and scientific research where precision and stability are critical. Optional materials like CaF₂ can extend transmission into the UV range.
Materials: BK7, Fused Silica, CaF2
Applications
- Laser Systems: Beam expansion or collimation, diverging optics
- Imaging & Microscopy: Objective lenses, auxiliary optical elements
- Scientific Research: Experimental optics requiring precise light control
- Optical Instruments: Collimators, beam shapers, and alignment setups
Handling and Packaging
- Lenses are individually wrapped in protective packaging to avoid scratches or contamination.
- Handle with lint-free gloves and avoid contact with hard surfaces.
- Store in a clean, dry environment, away from direct sunlight.
- Custom packaging options are available for bulk or sensitive applications.
Why Choose Stanford Optics
- Advanced manufacturing technology ensures tight tolerances and consistent performance
- High-quality optical materials (BK7, Fused Silica, CaF₂)
- Flexible customization: coatings, high-precision versions, and special dimensions
- Proven reliability for industrial, laboratory, and research applications
| Parameter |
BK7 |
Fused Silica |
Notes |
| Material |
BK7 |
Fused Silica |
Optional CaF₂ available |
| Wavelength Range |
350–2000 nm |
185–2100 nm |
Typical operational range |
| Design Index |
1.5183 ±0.0005 |
1.4585 ±0.0005 |
At design wavelength |
| Clear Aperture |
>80% |
>80% |
Effective optical area |
| Diameter Tolerance |
+0.0 / -0.15 mm |
+0.0 / -0.15 mm |
Mechanical tolerance |
| Paraxial Focal Length |
±2% |
±2% |
Lens focal precision |
| Surface Quality |
60–40 scratch/dig |
60–40 scratch/dig |
Standard optical finish |
| Flatness |
λ/4 @632.8 nm |
λ/4 @632.8 nm |
Surface flatness |
| Centering |
<3 arc minutes |
<3 arc minutes |
Optical axis alignment |
| Bevel |
0.25 mm × 45° |
0.25 mm × 45° |
Edge protection |
| Coating |
Customizable AR coating |
Customizable AR coating |
Optional |
Note: High-precision versions with tighter tolerances, better surface quality (40–20, 20–10), or specialized coatings can be provided on request.
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