[论文]Design of achromatic and apochromatic plastic micro-objectives [复制链接]

有朋友需要Design of achromatic and apochromatic plastic micro-objectives论文，所以转化成PDF文档，方便下载阅读。 6i6m*=h  
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1. Introduction 1gA9h-'w  
As is well known, the first-order chromatism correc-tion of refractive optical systems within the limited choice of optical materials can be achieved by means of diffractive lenses (DL) (see [1–5], for example). One of the possible ways to achromatize or apochromatize an optical system with the chromatism above the re-quired level is shown in [6]. It implies the usage of a diffractive–refractive correction unit, consisting of a DL and one or two refractive lenses (RLs). The cor-rection unit can be assembled using both additional lenses and the optical system’s own RLs, located near the aperture stop. RZtY3:FBx|  
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