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Proceedings Paper

Determination of the paraxial focal length of strong focusing lenses using Zernike polynomials in simulation and measurement
Author(s): Tobias Binkele; David Hilbig; Friedrich Fleischmann; Thomas Henning
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Paper Abstract

In the design of a lens the most important parameter is the paraxial focal length. Though, most focal length measurement methods are not measuring the paraxial focal length, but a focal length influenced by aberrations. We have developed a method to determine the paraxial focal length of strong focusing lenses using experimental ray tracing in a 2D cross section measurement. The method developed by us gives a much higher accuracy in measuring the paraxial focal length than the compared methods according to the German Institute for Standardization and Neal et al.. It shows an accuracy of up to 0.15% in measurement.

Paper Details

Date Published: 28 August 2016
PDF: 9 pages
Proc. SPIE 9960, Interferometry XVIII, 99600N (28 August 2016); doi: 10.1117/12.2238059
Show Author Affiliations
Tobias Binkele, Hochschule Bremen Univ. of Applied Sciences (Germany)
David Hilbig, Hochschule Bremen Univ. of Applied Sciences (Germany)
Friedrich Fleischmann, Hochschule Bremen Univ. of Applied Sciences (Germany)
Thomas Henning, Hochschule Bremen Univ. of Applied Sciences (Germany)


Published in SPIE Proceedings Vol. 9960:
Interferometry XVIII
Katherine Creath; Jan Burke; Armando Albertazzi Gonçalves, Editor(s)

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Determination-of-the-paraxial-focal-length-of-strong-focusing-lenses



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