• Fused-silica and optical-glass designs
• Telecentric versions available
• Focal lengths ranging from 70 mm to 420 mm, tolerance ±1 %
• Screw thread M85x1,
except 4401-261-000-21 M76x1
and 4401-604-000-26 M85x1/M110x1
• Transmission ≥ 96 % with good performance in VIS-range
• Laser damage threshold coating for fused-silica lenses up to 40 J/cm2 at 1064 nm, 12 ns, 100 Hz and up to 0.9 J/cm2 at 1030 nm, 291 fs, 5 kHz
• Laser damage threshold coating for optical-glass lenses up to 10 J/cm2 at 1064 nm, 9 ns, 100 Hz
• Transmission ≥ 96 % with good performance in VIS-range
• Laser damage threshold coating for fused-silica lenses up to 40 J/cm2 at 1064 nm, 12 ns, 100 Hz and up to 0.9 J/cm2 at 1030 nm, 291 fs, 5 kHz
• Laser damage threshold coating for optical-glass lenses up to 10 J/cm2 at 1064 nm, 9 ns, 100 Hz
• Low absorption coating for fused-silica lenses ≤ 20 ppm at 1064 nm
• Includes interchangeable protective glasses• Dust-tight on the output side inclusive protective glass according to the criteria of IP6X
• All lenses can be used with enlarged beam diameters and various mirror dis- tances. Scan fields and spot size diame- ters will change accordingly. Please con- tact us to discuss your specific require- ments.
