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Claude Meny 6 years ago
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      01.curriculum/01.physics-chemistry-biology/02.Niv2/04.optics/03.optical-systems-vergence/02.optical-systems-vergence-overview/cheatsheet.en.md

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01.curriculum/01.physics-chemistry-biology/02.Niv2/04.optics/03.optical-systems-vergence/02.optical-systems-vergence-overview/cheatsheet.en.md

@ -83,7 +83,7 @@ Fig. 2b. here the image points are virtual.
\- *converges* into a new point in space $\Longrightarrow$ *concentration of light energy* at this point. \- *converges* into a new point in space $\Longrightarrow$ *concentration of light energy* at this point.
\- *diverges* from on other new point in space $\Longrightarrow$ *no concentration of light energy* at this point. \- *diverges* from on other new point in space $\Longrightarrow$ *no concentration of light energy* at this point.
** Optical imager** :
**Optical imager** :
* create a **true three dimensional** *image* of the extended object surface oriented towards the imager. * create a **true three dimensional** *image* of the extended object surface oriented towards the imager.
* use **refraction and/or reflection** phenomena. * use **refraction and/or reflection** phenomena.
<!-- In main or beyond, talk about this, in a comment. Term "optical", contradiction. "visible?" or "refraction/reflexion use?". Holographic image work in the visible range too, but is based on diffraction pehnomenon. <!-- In main or beyond, talk about this, in a comment. Term "optical", contradiction. "visible?" or "refraction/reflexion use?". Holographic image work in the visible range too, but is based on diffraction pehnomenon.

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