Absolute High-accuracy Testing of Large Aspheres Using Twin Computer-generated Holograms (CGHs)

Proteep C.V. Mallik; Rene Zehnder; James H. Burge

doi:10.1364/OFT.2006.OFTuB4

Frontiers in Optics
OSA Technical Digest (CD) (Optica Publishing Group, 2006),
paper OFTuB4
•https://doi.org/10.1364/OFT.2006.OFTuB4

Absolute High-accuracy Testing of Large Aspheres Using Twin Computer-generated Holograms (CGHs)

Proteep C.V. Mallik, Rene Zehnder, and James H. Burge

Optical Fabrication and Testing 2006

Rochester, New York United States
9–11 October 2006
ISBN: 1-55752-818-7

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Absolute Testing of Aspheres (OFTuB)

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P. C. V. Mallik, R. Zehnder, and J. H. Burge, "Absolute High-accuracy Testing of Large Aspheres Using Twin Computer-generated Holograms (CGHs)," in Frontiers in Optics, OSA Technical Digest (CD) (Optica Publishing Group, 2006), paper OFTuB4.

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Abstract

We present a method for a cascading null test using twin computer-generated holograms to calibrate errors in null correctors. This will allow us to test large aspheres an order of magnitude better than current limits.

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