File:Birefringence of stress areas on a DVD jewel case.jpg
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Size of this preview: 800 × 383 pixels. Other resolutions: 320 × 153 pixels | 640 × 306 pixels | 1,024 × 490 pixels | 1,280 × 612 pixels | 4,245 × 2,031 pixels.
Original file (4,245 × 2,031 pixels, file size: 3.19 MB, MIME type: image/jpeg)
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| Description |
English: Based on principle of polarization and birefringent optical property, the distribution of residual stress of transparent plastics, in the form of fringed pattern, can be seen on this plastic DVD jewel case. The DVD case was illuminated with a polarized light source (from a LCD screen) and photographed through a polarizer filter.
中文（繁體）：以偏光原理及雙折射光學特性，藉光干涉條紋可觀測透明塑膠成型後殘留應力的分佈情形。DVD塑膠盒子以LCD螢幕從背面照亮，再以裝上偏光濾鏡的相機拍攝。 |
| Date | |
| Source | Own work |
| Author | Mk2010 |
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I, the copyright holder of this work, hereby publish it under the following license:
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 13:53, 2 July 2012 | | 4,245 × 2,031 (3.19 MB) | Mk2010 (talk | contribs) |
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