Ideal for beam bending and retroreflection application.
There are 90°reflector and 180°restroreflectoe according to the total internal reflection (TIR).
M ore easily aligned than mirrors.
It is specially employe d as the su bstrates of the polarizing cube beamsplitters.
Manufacturing tolerances
Attribute |
Commercial standard |
Precision Standard |
Material |
BK7, Bak4 |
BK7, Fused Silica |
Angles Tolerance |
90°±3'or ±1' |
90°±30”or±5” |
Dimensional (Φ) |
+/- 0.25 mm |
+/- 0.15 mm |
Surface Flatness |
λ/2 |
λ/4,λ/8 |
Surface Quality (scratch-dig) |
Fine ground and beveled |
Fine ground and beveled |
Edges |
Fine ground and beveled |
Fine ground and beveled |
Clear Aperture |
85% Reflecting |
90% Reflecting |
 |
 All dimensions are in mm unless otherwise specified.
Different material, sizes, tolerance and coating are available upon request.
|
