CHL20-18-P-U-780

asphericon CHL20-18-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.
DownloadDesign-Files CHL20-1828.56 KB
DownloadCoating curves CHL20-181.96 MB
from 400,00 EUR
available
CHL20-18-P-U-780

Technical data

Product Features

Material
S-LAH64
Size [mm]
20.0 x 20.0
EFL [mm]
18.0
NA
0.49
f/d
0.9
Working distance WD [mm]
14.3
Design wavelength [nm]
780
RMSi [nm]
500
Center thickness Tc [mm]
6.52
Clear Aperture CA (col) [mm]
18.0 x 18.0
Clear Aperture CA (foc) [mm]
18.0 x 16.0
Surface Imperfections [Scratch/Dig]
60 - 40
Laser induced damage threshold
12 J/cm², 100 Hz, 6 ns, 532 nm
RoHS compliance
yes
* 19 % VAT plus. excl. Shipping costs
asphericon