Diffractive-refractive correction units for plastic compact zoom lenses.

Penza State University of Architecture and Construction, Penza, Russia.
Applied Optics (Impact Factor: 1.69). 07/2012; 51(20):4597-604. DOI: 10.1364/AO.51.004597
Source: PubMed

ABSTRACT A method of designing a plastic zoom lens with a diffractive-refractive hybrid corrector, comprising one diffractive lens and one refractive lens, is described. The efficiency of this method is demonstrated by designing a compact zoom lens for a mobile phone. This zoom design, incorporating lenses made only of two commercial optical plastics (polymethylmethacrylate and polycarbonate), provides high optical performance.

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    ABSTRACT: The requirements for selecting the initial scheme for a compact plastic zoom lens are formulated. The main stages of the initial scheme of the transformation, incorporating the diffractive lens and replacement of the lenses' glasses by optical plastics, are presented. The efficiency of the suggested techniques of the optical layout process are demonstrated by using the example of the design and analysis of a zoom lens intended for use in security cameras for day or night vision.
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