Plano-concave lens
as drawing 1/19/2012
They have a negative focal length, is used to diverge a parallel light beam.
Material:BK7,UV-grade fused silica
Size:3mm-220mm
Thinkness Tolerance:?0.1mm
Centration:3 ...
Bi concave lens
as drawing 11/22/2011
Material:BK7,UV-grade fused silica
Size:3mm-220mm
Thinkness Tolerance:?0.2mm
Centration:3 arc min
Surface figure:1/4?
Surface quality:60 - 40scratch ...
Plano convex lens
as drawing 11/22/2011
It used to Converge parallel light, or make light source into parallel light .
Material:BK7,UV-grade fused silica
Size:3mm-220mm
Thinkness Tolerance:?0.1mm
Centration:3 ...
CaF2 Windows
as drawing 11/22/2011
Material:Calcuim Fluoride Singal Crystal
Size:Dia 3.0~200.0mm x thinkness 0.3~60.0mm
Dimension tolerance:0/-0.1mm
Thickness Tolerance:?0.2mm
Angle ...
Fused silica windows
as drawing 11/22/2011
Material:UV-grade fused silica
Size:Dia 3.0~200.0mm x thinkness 0.3~60.0mm
Dimension tolerance:0/-0.1mm
Thickness Tolerance:?0.2mm
Angle tolerance:5 ...
BK7 windows
as drawing 11/22/2011
Material:BK7 grade A optical glass
Size:Dia 3.0~200.0mm x thinkness 0.3~60.0mm
Dimension tolerance:0/-0.1mm
Thickness Tolerance:?0.2mm
Angle tolerance:5 ...
