File:Collimation approchee parabole.svg
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Size of this PNG preview of this SVG file: 624 × 508 pixels. Other resolutions: 295 × 240 pixels | 590 × 480 pixels | 943 × 768 pixels | 1,258 × 1,024 pixels | 2,516 × 2,048 pixels.
Original file (SVG file, nominally 624 × 508 pixels, file size: 49 KB)
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Summary[edit]
| Description |
English: Paracollimation with a parabolic miror: when the source is not at the focus, the collimation is flawed (left). In paraxial conditions, the collimation is better (right).
Français : Collimation approchée : lorsque la source n'est pas au foyer du miroir parabolique, la focalisation est imparfaite (gauche). Dans les conditions de Gauss, la collimaiton est meilleure (droite). |
| Date | |
| Source | Own work |
| Author | Christophe Dang Ngoc Chan (Cdang ) |
| SVG development |
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Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License. |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 16:22, 17 March 2014 | | 624 × 508 (49 KB) | Cdang (talk | contribs) | +paraxial condition |
| 10:59, 13 March 2014 |  | 459 × 508 (34 KB) | Cdang (talk | contribs) | {{Information |Description={{en|1=Paracollimation with a parabolic miror: when the source is not at the focus, the collimaiton is flawed.}} {{fr|1=Collimaiton approchée : lorsque la source n'est pas au foyer du miroir parabolique, la focalisation est... |
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