Blu-ray Disc: New storage technology
News DVD and CD technology red laser used for storage and reading of data that is 650 nanometers and 780 nanometers wavelength of DVD and CD. But the new technology to store and read data on DVD and CD developed by Sony and Phillips only 405 nanometers in wavelength. Blu-ray, blue laser technology in storage and data reading is an optical storage format created to store large amounts of high definition video and sound. The color of the laser is a blue-violet hue and has a shorter wavelength than the red laser.
The benefits of Blu-ray compared with the normal red lasers used today, addition to the shorter wavelength is capable of storing a much larger amount of data using the same space and can also be read to give a clearer picture, more color and vividness.
The reason for supporting the above benefits is because it requires a blue laser spot size. The violet laser length blue-wave using a 0.85nm opening collection. Because of the extreme density of these optical discs can fit a large data to disk as 23.3 GB of data in a single layer Disk 46.6GB Blu-ray and double layer Blu-ray.
Deplorable state of Blu-ray technology is that it is easy to contaminate by zero so only because of data together. And the truth disadvantages of these technologies is the Blu-ray are very expensive (around $ 1,000).
Blu-ray technology is a new version of the electronics market compete with HD DVD and that seek to make the Sony PlayStation. Sony will include Blu-based target = "_blank">-ray Disc with the target = "_blank"> PlayStation3 as a standard. However, the Blu-ray is more expensive than standard DVD counterparts. Therefore, both the two media type media should strive to be a winner. However, the Blu-ray need to develop on how to avoid scratching the disc or hard to zero for the competition ease. But another reason Blu-ray will have a problem that has been developed in part with Sony and Sony also has digital rights management (DRM) that will the user more difficult to place and time shifts to change its contents. Now people are waiting to see who the winner between Blu-ray and HD.
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Article Source: ArticlesBase.com – Blu-ray Disc: New Storage Technology
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