Specifications | |
Antireflection Coating | Wavelength user specified |
Center Thickness | tc±0.25 mm |
Chamfer | 0.35 mm at 45° typical |
Clear Aperture (CA) | ≥ 85% of central diameter |
Concentricity | ≤ 0.05 mm |
Damage Threshold | 4 J/cm2, 20 nsec, 20 Hz @ 1064 nm |
Diameter | φ+0/-0.25 mm |
Optical Material | N-SF11 glass |
Paraxial Focal Length | f±0.5% typical |
Surface Figure | λ/10 at 633 nm before coating |
Surface Quality | 20-10 scratch and dig |
Antireflection Coating | |
Broadband | Ravg≤0.5% per surface |
Narrowband | R ≤ 0.25% per surface |