Ready to use a multi-focal system based on Alvarez lenses

A. Moehl; S. Wickenhagen; T. Kunisch; U. Fuchs

doi:10.1117/12.2313114

5 June 2018 Ready to use a multi-focal system based on Alvarez lenses

A. Moehl, S. Wickenhagen, T. Kunisch, U. Fuchs

Proceedings Volume 10690, Optical Design and Engineering VII; 1069017 (2018) https://doi.org/10.1117/12.2313114
Event: SPIE Optical Systems Design, 2018, Frankfurt, Germany

Abstract

In this paper, a lens system is presented, which requires just little space and has a high degree of flexibility in terms of the achievable focal length range. The well-known principle of the Alvarez lens has been newly taken up and enhanced. As a result, it is even possible to achieve a diffraction-limited imaging quality. However, manufacturing such nonrotational symmetric surfaces has many challenges to overcome, which should be discussed. Furthermore, valuable results of the manufacturing process of these freeform surfaces are presented.

Citation Download Citation

A. Moehl, S. Wickenhagen, T. Kunisch, and U. Fuchs "Ready to use a multi-focal system based on Alvarez lenses ", Proc. SPIE 10690, Optical Design and Engineering VII, 1069017 (5 June 2018); https://doi.org/10.1117/12.2313114

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