Wavefront Analysis On A Personal Computer

William Swantner

doi:10.1117/12.976095

20 November 1985 Wavefront Analysis On A Personal Computer

William Swantner

Proceedings Volume 0540, Southwest Conf on Optics '85; (1985) https://doi.org/10.1117/12.976095
Event: 1985 Albuquerque Conferences on Optics, 1985, Albuquerque, United States

Abstract

We have recently converted a computer program for wavefront analysis from a mainframe version to run on an IBM-PC. The program was begun in 1969 at White Sands Missile Range for use in the optical evaluation facility (OEF). In the OEF, tracking camera lenses and optical components were characterized with a Twyman-Green interferometer. The results were used for acceptance testing of optical components and assembled systems. Additionally, tracking camera lenses up to 5 meters focal length were aligned in the OEF. Over the next fifteen years, the program grew into a package of numerous routines to satisfy optical shop-like requirements, as well as to evaluate complete systems. The program could accept interferograms made in as many as five locations in a single plane and calculate the focus shift which identified the best axial position for the focal plane. The optical transfer function routines then calculated the OTF at each of the five field points in the selected image plane. Most interferogram reduction programs merely select the best focus for a single interferogram. However, in evaluating a lens which has residual field curvature, the above methods yielded an indication of the lens's wide field performance.

Citation Download Citation

William Swantner "Wavefront Analysis On A Personal Computer", Proc. SPIE 0540, Southwest Conf on Optics '85, (20 November 1985); https://doi.org/10.1117/12.976095

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