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What causes the rainbow effect when looking at the data side?

April 26, 2017causes Data Rainbow

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What causes the rainbow effect when looking at the data side?

4 Answers

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(2004/03/03) A CD has a single spiral track, each revolution of which is separated by 1.6 microns on a 74-minute disc (less on higher-capacity discs). The mirrored “grooves” act as a reflection diffraction grating, causing interference patterns in the reflected light. Some related web sites: – http://science.howstuffworks.com/question52.htm – http://www.u.arizona.edu/~tagin/Report.

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(2004/03/03) A CD has a single spiral track, each revolution of which is separated by 1.6 microns on a 74-minute disc (less on higher-capacity discs). The mirrored “grooves” act as a reflection diffraction grating, causing interference patterns in the reflected light. Some related web sites: – http://science.howstuffworks.com/question52.htm – http://www.u.arizona.edu/~tagin/Report.

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A CD has a single spiral track, each revolution of which is separated by 1.6 microns on a 74-minute disc (less on higher-capacity discs). The mirrored “grooves” act as a reflection diffraction grating, causing interference patterns in the reflected light. Some related web sites: • http://science.howstuffworks.com/question52.htm • http://www.u.arizona.edu/~tagin/Report.

0

Posted

A CD has a single spiral track, each revolution of which is separated by 1.6 microns on a 74-minute disc (less on higher-capacity discs). The mirrored “grooves” act as a reflection diffraction grating, causing interference patterns in the reflected light.