| Material |
BK7
Grade Aoptical glass |
| Dimension
Tolerance |
±0.2mm |
| Clear
Aperture |
>90% |
| Flatness |
λ/4@632.8nm |
| Beam
Deviation |
<3 arc minutes |
| Surface
Quality |
60/40 |
| Coating |
Partial reflectance on hypotenuse face
AR coating on all entrances |
| T/R |
±5%, T=(Ts+Tp)/2, R=(Rs+Rp)/2 |
| Standard
Wavelength |
532, 633, 650, 780, 850, 980, 1064nm
450-650nm, 650-900nm, 900-1200nm |
|