凹凸透镜 Si凹凸透镜

Used with the shorter radius facing the longer conjugate, these lenses（凹凸透镜） act as a focusing element with less aberrations than plano-convex lenses.

Used with the shorter radius facing the longer conjugate, these lenses（凹凸透镜） act as a focusing element with less aberrations than plano-convex lenses.

产品指标如下：
Diameter tolerance +0,-0.005” (+0,-0.13 mm)
Center Thickness tolerance ±0.008” (±0.2 mm)
Design Wavelength 10.6 microns
Focal Length Tolerance ±2%
Surface Quality 60/40
Clear Aperture 90% Central Diameter
Wedge Angle < 3 arc min
Surface Irregularity 1/20 l at 10.6 microns