File:SpectresSolaires-DVD.jpg

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English: Solar spectrum with Fraunofer lines (picture of a slit through a DVD slice with a Canon A70)
Français : Spectre solaire montrant des raies de Fraunhofer (photo d'une fente vue à travers une tranche de DVD avec un Canon A70)
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Author Xofc

The slit is made with a cutter in a cardboard which is placed at the end of a (cardboard) 'poster' tube. At the other end, the grating is a slice of DVD (DVD is a sandwich; the aluminium is removed in a solution of Na2CO3 (sodium carbonate) with a tilt of about 40°.

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current13:49, 7 February 2011Thumbnail for version as of 13:49, 7 February 20112,048 × 1,536 (408 KB)Xofc (talk | contribs){{Information |Description ={{en|1=Solar spectrum with Fraunofer lines (picture of a slit through a DVD slice with a Canon A70)}} {{fr|1=Spectre solaire montrant des raies de Fraunhofer (photo d'une fente vue à travers une tranche de DVD avec un Canon
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