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| Item number:
CIEN7-475010 Manufacturer no.:
43615 EAN/GTIN:
979194107119 |
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| The advent of Blu-ray technology has led to the introduction of high capacity storage discs to meet the demand cause by the rapid growth of high definition television (HDTV).
Blu-ray discs get their name from blue laser technology. The shorter wavelength of the laser is the reason it is blue in colour. The blue laser has a wavelength of 405nm compared with the wavelength of 650nm for DVD which utilises red laser technology. The benefit of having a blue laser with a shorter wavelength means it is possible to write smaller data pits and therefore vastly increase the amount of data on the disc.
Blu-ray discs offer 3 to 5 times the storage capacity of a standard recordable DVD disc, enabling the recording, rewriting and playback of high definition video (HD). More information: Features | Type | BD-RE | | Native capacity | 25 GB | | Optical disc diameter | 120 mm | Writing speed | BD-RE write speed | 2 x |
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