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 Models
Cylinder CGHs are availble in a range of sizes and focal lengths to suit your application. Each AOM Cylinder CGH includes:
- Reflective pattern to align the CGH to the interferometer
- Mechanical cell with low-distortion flexure mounts and magnetic mounting balls to interface to AOM Fine Positioning stages
- Operating wavelength at 633 nm
| Substrate size | Model Number | Null Pattern Size (mm) | Null Pattern Shape | f/# | Focal Length (mm) |
|---|---|---|---|---|---|
| 2-inch cylinder CGHs mounted in C3 cell | |||||
| 2"x2"x0.25" | C2070S | 38 | Square | 0.7 | 18.6 |
| 2"x2"x0.25" | C2100S | 38 | Square | 1.0 | 32.9 |
| 2"x2"x0.25" | C2150S | 38 | Square | 1.5 | 53.7 |
| 2"x2"x0.25" | C2200S | 38 | Square | 2.0 | 73.6 |
| 2"x2"x0.25" | C2300S | 38 | Square | 3.0 | 112.4 |
| 2"x2"x0.25" | C2400S | 38 | Square | 4.0 | 150.8 |
| 2"x2"x0.25" | C2500S | 38 | Square | 5.0 | 189 |
| 2"x2"x0.25" | C2600S | 38 | Square | 6.0 | 227.2 |
| 3-inch cylinder CGHs mounted in C3 cell | |||||
| 3"x3"x0.25" | C3070S | 60 | Square | 0.7 | 29.4 |
| 3"x3"x0.25" | C3090S | 60 | Square | 0.9 | 44.9 |
| 3"x3"x0.25" | C3100S | 60 | Square | 1.0 | 52 |
| 3"x3"x0.25" | C3150S | 60 | Square | 1.5 | 84.9 |
| 3"x3"x0.25" | C3200S | 60 | Square | 2.0 | 116.2 |
| 3"x3"x0.25" | C3300S | 60 | Square | 3.0 | 177.5 |
| 3"x3"x0.25" | C3400S | 60 | Square | 4.0 | 238.1 |
| 3"x3"x0.25" | C3500S | 60 | Square | 5.0 | 298.5 |
| 3"x3"x0.25" | C3600S | 60 | Square | 6.0 | 358.7 |
| 4-inch cylinder CGHs mounted in C6 cell | |||||
| 6"x6"x0.25" | C4075C | 95 | Circular | 0.75 | 53.1 |
| 6"x6"x0.25" | C4090C | 95 | Circular | 0.9 | 71.1 |
| 6"x6"x0.25" | C4100C | 95 | Circular | 1.0 | 82.3 |
| 6"x6"x0.25" | C4150C | 95 | Circular | 1.5 | 134.4 |
| 6"x6"x0.25" | C4160C | 95 | Circular | 1.6 | 144.4 |
| 6"x6"x0.25" | C4200C | 95 | Circular | 2.0 | 184 |
| 6"x6"x0.25" | C4300C | 95 | Circular | 3.0 | 281 |
| 6"x6"x0.25" | C4400C | 95 | Circular | 4.0 | 377 |
| 6"x6"x0.25" | C4500C | 95 | Circular | 5.0 | 472.6 |
| 6"x6"x0.25" | C4550C | 95 | Circular | 5.5 | 520.3 |
| 6"x6"x0.25" | C4600C | 95 | Circular | 6.0 | 568 |
| 6-inch cylinder CGHs mounted in C6 cell | |||||
| 6"x6"x0.25" | C6075C | 140 | Circular | 0.75 | 78.3 |
| 6"x6"x0.25" | C6100C | 140 | Circular | 1.0 | 121.2 |
| 6"x6"x0.25" | C6110C | 140 | Circular | 1.1 | 137.2 |
| 6"x6"x0.25" | C6150C | 140 | Circular | 1.5 | 198 |
| 6"x6"x0.25" | C6160C | 140 | Circular | 1.6 | 212.8 |
| 6"x6"x0.25" | C6260C | 140 | Circular | 2.6 | 357.2 |
| 6"x6"x0.25" | C6300C | 140 | Circular | 3.0 | 414.1 |
| 6"x6"x0.25" | C6500C | 140 | Circular | 5.0 | 696.5 |
| 6"x6"x0.25" | C6600C | 140 | Circular | 6.0 | 837.1 |
| 6"x6"x0.25" | C6650C | 140 | Circular | 6.5 | 907.3 |