Application of radial basis functions to shape description in a dual-element off-axis magnifier.
We previously demonstrated that radial basis functions may be preferred as a descriptor of free-form shape for a single mirror magnifier when compared to other conventional descriptions such as polynomials [Opt. Express 16, 1583 (2008)]. A key contribution is the application of radial basis functions to describe and optimize the shape of a free-form mirror in a dual-element magnifier with the specific goal of optimizing the pupil size given a 20 degrees field of view. We demonstrate a 12 mm exit pupil, 20 degrees diagonal full field of view, 15.5 mm eye clearance, 1.5 arc min resolution catadioptric dual-element magnifier design operating across the photopic visual regime. A second contribution is the explanation of why it is possible to approximate any optical mirror shape using radial basis functions.
CREOL, The College of Optics and Photonics, University of Central Florida, Orlando, FL 32816, USA. ozan.cakmakci@gmail.com
Ozan
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Cakmakci
Sophie
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Vo
Hassan
H
Foroosh
Jannick
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Rolland