Standard lens

Kowo Optoelectronics provides various types of coated lens products. Customized products can be provided according to different customer usage requirements:
Substrate, shape, size, wavelength, surface quality, incident angle, focal length, damage threshold

Category:
General Parameters
Substrate Material Corning 7979, Corning7980 0F, N-BK7, H-K9L
Dimensional Tolerance +0.0/-0.2mm
Thickness Tolerance ±0.2mm
Chamfer Protective <0.35mm@45°
Surface Quality 40/20
Clear Aperture ≥90%
Power (Fringes) N<0.5
Centration Error ≤3 arc min
Angle of Incidence 0°, 45°
Laser Damage Threshold Corning 7979: 20J/cm2, 20ns, 20Hz, 1064nm
Corning7980 0F: 10J/cm2, 20ns, 20Hz, 1064nm
N-BK7: 10J/cm2, 20ns, 20Hz, 1064nm
H-K9L: 10J/cm2, 20ns, 20Hz, 1064nm