Computer generated holograms for the optical shop testing of aspheres

R. Schreiner; T. Herrmann; J. Roder; S. Muller-Pfeiffer; O. Falkenstorfer

doi:10.1117/12.612577

13 June 2005 Computer generated holograms for the optical shop testing of aspheres

R. Schreiner, T. Herrmann, J. Roder, S. Muller-Pfeiffer, O. Falkenstorfer

Proceedings Volume 5856, Optical Measurement Systems for Industrial Inspection IV; (2005) https://doi.org/10.1117/12.612577
Event: Optical Metrology, 2005, Munich, Germany

Abstract

With computer generated holograms (CGH) the testing possibilities of interferometers for plane and spherical specimen is widened to the test of aspherical surfaces. The wave from a transmission flat or a transmission sphere is formed by the CGH to fit the surface of an asphere or a cylinder. The availability of suitable CGHs is often the limitation for the production of precision aspheres. JENOPTIK L.O.S. can provide a custom made CGH within a short time. We will show the design principles and the layout of the CGHs. The optical properties and the known limitations will be presented on the basis of measurements of aspherical surfaces.

Citation Download Citation

R. Schreiner, T. Herrmann, J. Roder, S. Muller-Pfeiffer, and O. Falkenstorfer "Computer generated holograms for the optical shop testing of aspheres", Proc. SPIE 5856, Optical Measurement Systems for Industrial Inspection IV, (13 June 2005); https://doi.org/10.1117/12.612577

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