CHL25-20-P-U-780

asphericon CHL25-20-P-U-780 lenses are high performance standard aspheric components in asphericon quality (RMS < 0.5 µm). Cylinders based on CNC grinding and polishing manufacture fulfill the highest requirements in terms of quality and tolerances.
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CHL25-20-P-U-780

Technical data

Product Features

Material
S-LAH64
Size [mm]
25.0 x 25.0
EFL [mm]
20.0
NA
0.54
f/d
0.8
Working distance WD [mm]
15.8
Design wavelength [nm]
780
RMSi [nm]
500
Edge thickness Te [mm]
2.2
Center thickness Tc [mm]
7.1
Clear Aperture CA (col) [mm]
22.5 x 22.5
Clear Aperture CA (foc) [mm]
22.5 x 20.4
Surface Imperfections [Scratch/Dig]
60 - 40
Laser induced damage threshold
12 J/cm², 100 Hz, 6 ns, 532 nm
RoHS compliance
yes
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