Cylindricalplanoconcave lenses produce expanded linear images and are used for application which require to control a beam in one dimension only.
It can be used together with PCX cylinder lenses for beam expander applications.
Item
Specifications
Material
N-BK7（H-K9L) or other
optical glass
Dimension tolerance
+0.0/-0.2mm
Center thickness tolerance
±0.2mm
Surface quality
60/40
Surface figures(@633nm)
N＜3
Irregular distortion
(@633nm)
N＜0.5
Centration
<3min
Focus length tolerance
±2%
Clear aperture
85%
Bevel(face width×45°)
Protected chamfer