Requirements
Product | Specification/mm |
Yb CaF2 | Φ12.7*3mm |
Process Indicators
- Yb(5 +/-0.1 at.%):CaF2 crystal
- Diameter: 12.7 mm +0/-0.1 mm
- Clear aperture: 11.4 mm diameter, central area
- Length: 3 mm +/-0.1 mm
- Orientation: [111] cut +/-0.5 deg
- Surface quality, S1/S2: 20-10, S-D
- Surface flatness: S1/S2: ≤L/8 at 633 nm over clear aperture
- Transmitted WFD:≤L/6 at 633 nm over clear aperture
- Perpendicularity error: <15 arcmin
- Wedge on S1: 0.5 deg +/-0.05 deg
- Protective chamfers: 0.1-0.3 mm x 45 deg
- Chips: <0.3 mm
- Uncoated
- Provide us production drawing