Capabilities

Refractive lenses
- Round and cylindrical lenses
- Apertures ~15-2000 µm diameter
- Sag up to ~100 µm
Diffractive elements
- 2-level or multiple levels (4, or possibly 8 with limitations)
- Features sizes >1.5 µm (period 3 µm)
- Silicon: n = 3.5 for λ = 1.1 – 10 µm (NIR to IR)
- Fused silica: n = 1.45 for λ = 0.2 – 2.5 µm (UV to IR)
See also: Advantages