CGHs for Measuring
Cylindrical Surfaces
Concave and convex cylindrical surfaces are accurately measured with interferometry + CGH null correctors. The simple shape allows a single CGH to test a wide range of cylinders.
Standard Cylinder CGH Information
| Model No. | Substrate Size | Pattern Diameter (mm) | Pattern Shape | Cylinder F/# | Distance to Focus (mm) |
|---|---|---|---|---|---|
| C3100S | 3"x3"x0.25" | 60 | Square | 1.0 | 52.0 |
| C3150S | 3"x3"x0.25" | 60 | Square | 1.5 | 84.9 |
| C3300S | 3"x3"x0.25" | 60 | Square | 3.0 | 177.5 |
| C3500S | 3"x3"x0.25" | 60 | Square | 5.0 | 298.5 |
| C4100C | 6"x6"x0.25" | 95 | Circle | 1.0 | 82.3 |
| C4150C | 6"x6"x0.25" | 95 | Circle | 1.5 | 134.4 |
| C4200C | 6"x6"x0.25" | 95 | Circle | 2.0 | 184.0 |
| C4300C | 6"x6"x0.25" | 95 | Circle | 3.0 | 281.0 |
| C4500C | 6"x6"x0.25" | 95 | Circle | 5.0 | 472.6 |
| C6100C | 6"x6"x0.25" | 140 | Circle | 1.0 | 121.2 |
| C6150C | 6"x6"x0.25" | 140 | Circle | 1.5 | 198.0 |
| C6500C | 6"x6"x0.25" | 140 | Circle | 5.0 | 696.5 |