|
Items |
Specifications |
|
Material |
BK7 Grade A or equivalent Optical Glass |
|
Designed Wavelength |
546.1 nm |
|
Designed Index |
1.5183 ±0.0005 |
|
Dimension Tolerance |
± 0.2 mm |
|
Thickness Tolerance |
± 0.2 mm |
|
Paraxial Focal Length |
± 2% |
|
Centration |
< 3 arc minutes |
|
Clear Aperture |
> 80% |
|
Flatness |
λ/4 at 632.8 nm (Substrate) |
|
Surface Quality |
scratch and dig 60-40 (Substrate) |
|
Bevel |
0.5 (0/-0.3) mm |
|
Coating |
R avg ≥87% @ 400–800 nm |
Notes:
1. Surface Quality could reach 40-20 or 20-10
2. Centration such as 1’ 30” is available
3. Please show us the size and the coating specification. |
Prisms
