We present the design of a compact zoom-lens for the realization of a space-limited interferometer objective with a large range of possible sphere radii. Based on the idea of Alvarez to change the lens-power by shifting two glass plates with cubic surface functions along their lateral axis and the implementation with diffractive optical elements by Lohmann, we realized a focal shift between 200 and 360 mm with two elements in a single shift setup. Additionally, astigmatism can be compensated by moving the plates in the related orthogonal direction as required for the measurement of anamorphic, aspheric, or freeform lenses.
%0 Journal Article
%1 Bielke_2017
%A Bielke, Alexander
%A Pruss, Christof
%A Osten, Wolfgang
%D 2017
%I SPIE-Intl Soc Optical Eng
%J Optical Engineering
%K ide ito reviewed
%N 1
%P 014104
%R 10.1117/1.oe.56.1.014104
%T Design of a variable diffractive zoom lens for interferometric purposes
%U https://doi.org/10.1117%2F1.oe.56.1.014104
%V 56
%X We present the design of a compact zoom-lens for the realization of a space-limited interferometer objective with a large range of possible sphere radii. Based on the idea of Alvarez to change the lens-power by shifting two glass plates with cubic surface functions along their lateral axis and the implementation with diffractive optical elements by Lohmann, we realized a focal shift between 200 and 360 mm with two elements in a single shift setup. Additionally, astigmatism can be compensated by moving the plates in the related orthogonal direction as required for the measurement of anamorphic, aspheric, or freeform lenses.
@article{Bielke_2017,
abstract = {We present the design of a compact zoom-lens for the realization of a space-limited interferometer objective with a large range of possible sphere radii. Based on the idea of Alvarez to change the lens-power by shifting two glass plates with cubic surface functions along their lateral axis and the implementation with diffractive optical elements by Lohmann, we realized a focal shift between 200 and 360 mm with two elements in a single shift setup. Additionally, astigmatism can be compensated by moving the plates in the related orthogonal direction as required for the measurement of anamorphic, aspheric, or freeform lenses.},
added-at = {2019-05-02T16:09:25.000+0200},
author = {Bielke, Alexander and Pruss, Christof and Osten, Wolfgang},
biburl = {https://puma.ub.uni-stuttgart.de/bibtex/259c6b1810b3d00ac1076dfff331ab194/heidrunkempf},
doi = {10.1117/1.oe.56.1.014104},
interhash = {a4847079930bae424c8e00d5797c3fbc},
intrahash = {59c6b1810b3d00ac1076dfff331ab194},
journal = {Optical Engineering},
keywords = {ide ito reviewed},
month = jan,
number = 1,
pages = 014104,
publisher = {{SPIE}-Intl Soc Optical Eng},
timestamp = {2019-05-03T07:19:11.000+0200},
title = {Design of a variable diffractive zoom lens for interferometric purposes},
url = {https://doi.org/10.1117%2F1.oe.56.1.014104},
volume = 56,
year = 2017
}
