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Proceedings Paper

The Use Of The Pseudo-Eikonal In The Optimization Of Optical Systems
Author(s): J.L. F. de Meijere; J. A. Schuurman; C.H. F. Velzel
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Paper Abstract

The pseudo-eikonal is obtained by inserting in the sum of component eikonals of an optical system the linear approximations of the coordinates of the intermediate spaces as functions of the coordinates of the object and image space. The pseudo-eikonal can be expressed in the component data more easily then the exact system eikonal. Nevertheless it can be used in the same way as the exact eikonal for the optimization of optical systems. The use of eikonals in the optimization of optical systems was described by Simons in his doctoral dissertation (Delft, Technical University, 1969). An additional advantage of the pseudo-eikonal is that it allows simultaneous correction of third and higher order aberrations. We evaluated the pseudo-eikonal after each step of an existing optimization program. The optimum of a merit function that involves a comparison of the pseudo-eikonal with an ideal eikonal is different from the optimum found by using the spot diameter as a merit function. This difference correlates with the degree of "strain" inherent in the design considered; a measure for the degree of strain is the difference between the pseudo-eikonal and the exact eikonal.

Paper Details

Date Published: 13 April 1989
PDF: 8 pages
Proc. SPIE 1013, Optical Design Methods, Applications and Large Optics, (13 April 1989); doi: 10.1117/12.949355
Show Author Affiliations
J.L. F. de Meijere, Oldelft (The Netherlands)
J. A. Schuurman, Oldelft (The Netherlands)
C.H. F. Velzel, Oldelft (The Netherlands)

Published in SPIE Proceedings Vol. 1013:
Optical Design Methods, Applications and Large Optics
Andre Masson; Joachim J. Schulte-in-den-Baeumen; Hannfried Zuegge, Editor(s)

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