| Type B | Numerical Aperture NA |
Effective Focal Length EFL(mm) |
Design Wavelength λ(nm) |
Effective Diameter φ(mm) |
Outside Diameter φ(mm) |
Center Thickness (mm) |
Fringe Thickness (mm) |
|||||||||
| Single | 0.44 | 19.7 | 340 | 21 (Fig.2) |
28 (Fig.2) |
6.45 (Fig.2) |
7.55 (Fig.2) |
|||||||||
| Double | 0.66 | 11.1 | 340 | 21 (Fig.2) |
28 (Fig.2) |
6.45 (Fig.2) |
7.55 (Fig.2) |
|||||||||
Fig. 2
