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 sizeModel NumberNull Pattern
Size (mm)
Null Pattern Shapef/#Focal Length
(mm)
2-inch cylinder CGHs mounted in C3 cell
2"x2"x0.25"C2070S38Square0.718.6
2"x2"x0.25"C2100S38Square1.032.9
2"x2"x0.25"C2150S38Square1.553.7
2"x2"x0.25"C2200S38Square2.073.6
2"x2"x0.25"C2300S38Square3.0112.4
2"x2"x0.25"C2400S38Square4.0150.8
2"x2"x0.25"C2500S38Square5.0189
2"x2"x0.25"C2600S38Square6.0227.2
3-inch cylinder CGHs mounted in C3 cell
3"x3"x0.25"C3070S60Square0.729.4
3"x3"x0.25"C3090S60Square0.944.9
3"x3"x0.25"C3100S60Square1.052
3"x3"x0.25"C3150S60Square1.584.9
3"x3"x0.25"C3200S60Square2.0116.2
3"x3"x0.25"C3300S60Square3.0177.5
3"x3"x0.25"C3400S60Square4.0238.1
3"x3"x0.25"C3500S60Square5.0298.5
3"x3"x0.25"C3600S60Square6.0358.7
4-inch cylinder CGHs mounted in C6 cell
6"x6"x0.25"C4075C95Circular0.7553.1
6"x6"x0.25"C4090C95Circular0.971.1
6"x6"x0.25"C4100C95Circular1.082.3
6"x6"x0.25"C4150C95Circular1.5134.4
6"x6"x0.25"C4160C95Circular1.6144.4
6"x6"x0.25"C4200C95Circular2.0184
6"x6"x0.25"C4300C95Circular3.0281
6"x6"x0.25"C4400C95Circular4.0377
6"x6"x0.25"C4500C95Circular5.0472.6
6"x6"x0.25"C4550C95Circular5.5520.3
6"x6"x0.25"C4600C95Circular6.0568
6-inch cylinder CGHs mounted in C6 cell
6"x6"x0.25"C6075C140Circular0.7578.3
6"x6"x0.25"C6100C140Circular1.0121.2
6"x6"x0.25"C6110C140Circular1.1137.2
6"x6"x0.25"C6150C140Circular1.5198
6"x6"x0.25"C6160C140Circular1.6212.8
6"x6"x0.25"C6260C140Circular2.6357.2
6"x6"x0.25"C6300C140Circular3.0414.1
6"x6"x0.25"C6500C140Circular5.0696.5
6"x6"x0.25"C6600C140Circular6.0837.1
6"x6"x0.25"C6650C140Circular6.5907.3

Need a custom f/# cylinder null?  No problem!  Just click the button below to request a quote for a custom Cylinder CGH.