An Automated Hartmann Test Using Rotating Diffraction Gratings

C. Gary Blough; John P. Bowen; Mary Kate Crawford; Niels Haun; Erwin G. Loewen; Daniel Malacara; Duncan T. Moore; Christopher E. Saxer; David Y. H. Wang

doi:10.1364/OFT.1990.PD3

Optical Fabrication and Testing
Technical Digest Series (Optica Publishing Group, 1990),
paper PD3
•https://doi.org/10.1364/OFT.1990.PD3

An Automated Hartmann Test Using Rotating Diffraction Gratings

C. Gary Blough, John P. Bowen, Mary Kate Crawford, Niels Haun, Erwin G. Loewen, Daniel Malacara, Duncan T. Moore, Christopher E. Saxer, and David Y. H. Wang

Optical Fabrication and Testing 1990

Monterey, California United States
12–14 June 1990
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C. G. Blough, J. P. Bowen, M. K. Crawford, N. Haun, E. G. Loewen, D. Malacara, D. T. Moore, C. E. Saxer, and D. Y. H. Wang, "An Automated Hartmann Test Using Rotating Diffraction Gratings," in Optical Fabrication and Testing, Technical Digest Series (Optica Publishing Group, 1990), paper PD3.

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Abstract

A system is designed and constructed for performing an automated Hartmann test with much greater speed and flexibility than the classical configuration. A rotating grating scanner eliminates the need for the screen, allowing mirrors with different f-numbers to be tested in the same setup. Measurements from the system compare favorably with data obtained by interferometric tests.

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