File:Fresnel Lens P.gif
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| Description |
中文（简体）：菲涅尔透镜的原理演示，此为透镜截面视图。由于光的折射发生在介质的交界面，这里以玻璃与空气为例，若能去除光在玻璃中直线传播的部分而保留发生折射的曲面，便能省下大量材料同时达到相同的聚光效果。如图，菲涅尔透镜便是通过此法使透镜变薄。曲面划分得越细，透镜越能够做薄。 |
| Date | |
| Source | Own work |
| Author | Oliver Ren |
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I, the copyright holder of this work, hereby publish it under the following licenses:
This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license.
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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 | 13:30, 14 August 2010 | | 350 × 246 (152 KB) | Oliver Ren (talk | contribs) | 压缩大小，以适应文章页面。 |
| 13:22, 14 August 2010 |  | 540 × 380 (171 KB) | Oliver Ren (talk | contribs) | 添加文字。 | |
| 09:39, 8 August 2010 |  | 540 × 380 (141 KB) | Oliver Ren (talk | contribs) | {{Information |Description={{zh-hans|1=菲涅尔透镜的光学原理演示。}} |Source={{own}} |Author=Oliver Ren |Date=2010-8-8 |Permission= |other_versions= }} |
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