400nm-750nm Optical Heads
| Model | Optical Material |
Nominal Frequency |
Retardation Range | Useful Aperture |
|
|---|---|---|---|---|---|
| Quarter Wave | Half Wave | ||||
| I/CF50 | Calcium Fluoride |
50 khz | 130 nm–2 μm | 130 nm–1 μm | 16 mm |
| I/FS20 | Fused Silica | 20 kHz | 170 nm–2 μm | 170 nm–1 μm | 22 mm |
| I/FS50 | Fused Silica | 50 kHz | 170 nm–2 μm | 170 nm–1 μm | 16 mm |
| II/FS20-A | Fused Silica | 20 kHz | 170 nm–2 μm | 170 nm–1 μm | 56 mm |
| II/FS42-A | Fused Silica | 42 kHz | 170 nm–2 μm | 170 nm–1 μm | 27 mm |
| II/FS47-A | Fused Silica | 47 kHz | 170 nm–2 μm | 170 nm–1 μm | 24 mm |
| II/FS50-A | Fused Silica | 50 kHz | 170 nm–2 μm | 170 nm–1 μm | 23 mm |
