Applications for determining the focal points of an optical system
Optical matrix applied to the centered systems
Quizzed article REF: E8250 V1
Applications for determining the focal points of an optical system
Optical matrix applied to the centered systems

Authors : Christophe LABBÉ, Benoît PLANCOULAINE

Publication date: April 10, 2017, Review date: April 12, 2021 | Lire en français

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4. Applications for determining the focal points of an optical system

All demonstrations in this section are valid for optical systems of any vergence (positive or negative). For the sake of clarity, however, the illustrations and examples are presented for converging systems (positive vergence).

4.1 Fireplace introduction

The focal point is defined as the point of convergence of a bundle of parallel rays passing through an optical system (Σ). To find the image focus, a beam of parallel rays illuminates the entrance of the Σ system, producing a beam of converging rays (figure 14 ).

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Applications for determining the focal points of an optical system

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