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Computer Optics, 2016, Volume 40, Issue 4, Pages 467–474 (Mi co240)  

OPTO-IT

Design of optical elements with TIR freeform surface

K. V. Andreevaab, M. A. Moiseevab, S. V. Kravchenkoab, L. L. Doskolovichab

a Samara National Research University, Samara, Russia
b Image Processing Systems Institute îf RAS – Branch of the FSRC “Crystallography and Photonics” RAS, Samara, Russia

Abstract: A novel method for the design of total internal reflection based (TIR) optical elements generating complex two-dimensional narrow-angle light distributions is presented. The method consists of two parts: computation of a piecewise smooth solution and its subsequent approximation by a spline surface. Examples of TIR optical elements designed using the proposed approach are discussed. The simulation results demonstrate high performance of the proposed method: the luminous efficacy of the optical elements is 91.8% and the relative root-mean-square error is less than 8.6%.

Keywords: design of optical surfaces, freeform surface, total internal reflection (TIR), narrow-angle light distributions.

Funding Agency Grant Number
Russian Science Foundation 14-19-00969
Work done at the expense of the grant of the Russian Scientific Fund (project ¹ 14-19-00969).


DOI: https://doi.org/10.18287/2412-6179-2016-40-4-467-474

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Full text: http://www.computeroptics.smr.ru/.../400405.html
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Received: 22.06.2016
Accepted:10.08.2016

Citation: K. V. Andreeva, M. A. Moiseev, S. V. Kravchenko, L. L. Doskolovich, “Design of optical elements with TIR freeform surface”, Computer Optics, 40:4 (2016), 467–474

Citation in format AMSBIB
\Bibitem{AndMoiKra16}
\by K.~V.~Andreeva, M.~A.~Moiseev, S.~V.~Kravchenko, L.~L.~Doskolovich
\paper Design of optical elements with TIR freeform surface
\jour Computer Optics
\yr 2016
\vol 40
\issue 4
\pages 467--474
\mathnet{http://mi.mathnet.ru/co240}
\crossref{https://doi.org/10.18287/2412-6179-2016-40-4-467-474}


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