Rectangular prisms
Technical characteristics
|
Parameter |
Allowed values |
|
Size of an entrance face АхC, mm |
4 х 4 to 100 х 100 |
|
Angular tolerance, 45˚, 90˚, arcsec |
+/- 1 |
|
Pyramidal error, arcsec, max |
5 |
|
Flatness of reflective faces, λ (λ=632.8 нм) |
0.05 - 0.1λ |
|
Flatness of deflective faces, λ (λ=632.8 нм) |
0.1 - 0.2λ |
|
Dimensional tolerance, mm |
± 0.05 |
|
Surface quality acc. to ISO10110-7 |
5/3 х 0.16 |
|
Roughness acc. to GOST 11141-84 |
P II – P V |
Prisms can be made of all types of fine-annealing colourless optical glass and fused silica.
