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Article citations


Serre, D., Koechlin, L. and Deba, P. (2011) The Fresnel Imager: Learning from Ground-Based Generation I Prototype. Exp Astron, 30, 137-147. https://doi.org/10.1007/s10686-010-9201-6

has been cited by the following article:

  • TITLE: Optical System Design of Telescope Based on Mixed Modulation Diffractive Lens

    AUTHORS: Fei Li, Xueying Jin, Mengyu Wang, Keyi Wang

    KEYWORDS: Fresnel Corrector, Diffractive Telescope, Imaging System

    JOURNAL NAME: Journal of Applied Mathematics and Physics, Vol.6 No.11, November 22, 2018

    ABSTRACT: Using of diffractive optical elements (DOE) in the Schupmann system offer a new way for the construction of ultra-large aperture telescope. The Fresnel Corrector, one of the DOEs, is the key device in the Schupmann system, which is used to correct the chromatic aberration introduced by the diffractive primary lens called Magnifying Glass. Generally, in a large aperture telescope (>20 m), the Fresnel Corrector is a diffractive lens with a large aperture and a small f-number, which is difficult to process. In this article, an improved device with a small F number but a large rim feature size, called amplitude and phase hybrid modulation Fresnel diffractive optical element (APHMFDOE), is used here as the Fresnel corrector. First, APHMFDOE with appropriate parameters is designed to match the dispersion of the Magnifying Glass so that the system meets the achromatic condition. Second, the optical characteristics of this improved system are simulated and compared with those of the general system based on the conventional Fresnel corrector. Our approach introduces a new dispersion correction device, which not only can eliminate the chromatic aberration caused by Magnifying Glass, but also can reduce the processing difficulty of Fresnel Corrector.