Технические характеристики
- Wavelength Range 480-20000 nm
- Mirror Shape Concave
- Diameter 12.7 mm
- Effective Focal Length (EFL) 250 mm
- F/# 19.7
- Radius of Curvature (R) -500 mm
- Material Borofloat® 33
- Coating Type Protected Silver
- Coating Code ER.2
- Angle of Incidence 0-15°
- Reflectivity Ravg>96%, Rmin>93% @ 480-1100 nm,Ravg>98.5%, Rmin>97% @ 1.1-20 m
- Damage Threshold 1 J/cm² with 10 ns pulses at 1064 nm, 20Hz
- Surface Quality 40-20 scratch-dig
- Surface Flatness &lambda,/4 at 632.8 nm
- Back Surface Fine ground
- Edge Thickness (Te) 3.18 mm
- Center Thickness (Tc) 3.14 mm
- Thickness Tolerance ±0.25 mm
- Diameter Tolerance +0/-0.13 mm
- Wedge &le,0.03 mm
- Chamfers 0.25–0.76 mm face width
- Chamfers Angle Tolerance 45° ±15°
- Cleaning See How to Clean Optics
