Image:HVDstruct.png
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HVDstruct.png (307 × 196 pixel, file size: 23 KB, MIME type: image/png)
Holographic Versatile Disc structure legend:
1. Green writing/reading laser (532 nm)
2. Red positioning/addressing laser (650 nm)
3. Hologram (data)
4. Polycarbon layer
5. Photopolymeric layer (data-containing layer)
6. Distance layers
7. Dichroic layer (reflecting green light)
8. Aluminium reflective layer (reflecting red light)
9. Transparent base
P. PIT