Abstract
To facilitate the testing of LSST M2, a 3.4m diameter convex asphere, we have devised a sub-aperture test using a collimated wavefront and a large computer generated hologram.
© 2017 Optical Society of America
PDF ArticleMore Like This
Subaperture stitching interferometer for versatile and accurate surface metrology
P.R. Dumas, J.F. Fleig, G.W. Forbes, and P.E. Murphy
OWC1 Optical Fabrication and Testing (OF&T) 2002
Laps and Metrology for large fast aspheric convex mirrors
Bryan Keener Smith and James H. Burge
OWA.2 Optical Fabrication and Testing (OF&T) 1998
Multi-Wavelength Large Optics Wave Front Error Metrology Bench
W. Boucher, E. Homassel, and B. Wattellier
OM2B.2 Optical Fabrication and Testing (OF&T) 2017