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 SizePattern Diameter (mm)Pattern ShapeCylinder F/#Distance to Focus (mm)
C3100S3"x3"x0.25"60Square1.052.0
C3150S3"x3"x0.25"60Square1.584.9
C3300S3"x3"x0.25"60Square3.0177.5
C3500S3"x3"x0.25"60Square5.0298.5
C4100C6"x6"x0.25"95Circle1.082.3
C4150C6"x6"x0.25"95Circle1.5134.4
C4200C6"x6"x0.25"95Circle2.0184.0
C4300C6"x6"x0.25"95Circle3.0281.0
C4500C6"x6"x0.25"95Circle5.0472.6
C6100C6"x6"x0.25"140Circle1.0121.2
C6150C6"x6"x0.25"140Circle1.5198.0
C6500C6"x6"x0.25"140Circle5.0696.5

Not seeing a feasible option in our Standard Cylinder CGH table?  We create custom Cylinder Nulls too!  Just click the button below to request a quote for a custom Cylinder CGH.