| Wavelength |
1.054 micron
(1.047 micron) |
| Orientation |
s or p |
Nd concentration
by weight |
0.8% (up to 1.0% upon request) |
Flatness
of plane surface |
Lambda/10 at 633 nm per inch |
| Parallelism |
20 arc seconds |
| Perpendicularity |
10 arc minutes |
| Scratch - dig |
10 - 5 |
| Waqvefront distortion |
Lambda/4 fringes per inch |
Homogeneity
of refractive index |
± 2 x 10-6 |
| Reflectivity of AR coatings upon request |
0.25% |
Damage threshold
of AR coatings |
More than 300 GW/cm2 |
