1- The plane mirror

A plane mirror is a surface capable of reflecting light almost entirely. The plane mirror is rigorously stigmatic.

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Magnification

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Conjugation relation

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2- The plane diopter

A plane diopter is formed by two transparent media with different refractive indices, separated by a flat surface.

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Conjugation relation

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3- Parallel-sided blade

Definition

It is an association of two plane diopters D1 and D2 parallel to each other, distant from e, having a refractive index n and immersed in a medium of index n

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Emergence of a light ray

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Geometric construction

The position of the image relative to the object:   

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Lateral displacement d 

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4- The prism

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Modifié le: jeudi 23 octobre 2025, 23:51