Material: Bk7, Fused
Silica,SF18, SFL11 and etc.

Specifications
Equilateral prisms have three
equal 60 degree angles and are also referred to as dispersing prisms. Equilateral
prisms are used for wavelength separating applications.
| Material |
Bk7, fine annealed (other material upon
request),SF18 (722/293), SFL11 (785/258) |
| Dimensions Tolerance |
0/ -0.15 mm |
| Surface Flatness |
lambda/4 at 632.8 nm |
| Surface Quality |
60-40 scratch and dig |
| Clear Aperture |
90% of the dimension |
| Angle Tolerance |
0 degrees plus/minus 30'' or 0 degrees plus/minus 5' |
| Chamfers |
0.1- 0.25 mm x 45 degree |
| Coating |
MgF2 coating or non coating |
Note: Special material and size are available
upon request.