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What type of technology is used to operate a DVD Drive?
DVD is an optical disk storage media format.it uses 650 nm wavelength laser diode light as opposed to 780 nm for CD and 405nm for blue-ray disc.
what is Ray about?
Blu-ray or Blu-ray Disc, BD using a shorter wavelength (405nm), blue laser to read and write data, hence the name. Traditional DVD bald issued a red laser (wavelength 650nm) to read or write data, usually the wavelength, the shorter the laser can record or read more information on the unit area. Therefore, the Blu-ray to the storage capacity of CD-ROM, optical storage products, Blu-ray provides the opportunity to develop a jump.
What is Blu-ray all about?
Blu-ray or Blu-ray Disc, BD using a shorter wavelength (405nm), blue laser to read and write data, hence the name. Traditional DVD bald issued a red laser (wavelength 650nm) to read or write data, usually the wavelength, the shorter the laser can record or read more information on the unit area. Therefore, the Blu-ray to the storage capacity of CD-ROM, optical storage products, Blu-ray provides the opportunity to develop a jump.
Why shorter wavelength blu ray can store more information than longer wavelength DVD?
Blu-ray uses a shorter wavelength (405nm) compared to DVD (650nm), which allows it to have a higher storage capacity. The shorter wavelength means the laser spot can be smaller, allowing it to read and write data more densely on the disc, resulting in greater storage capacity. Additionally, Blu-ray discs use a higher numerical aperture and layering technology, further increasing their storage capacity.
What is the difference between a DVD and Blu-ray player?
Blu-Rays are used only for high definition. Blu-Rays hold up 5 times more data than a DVD can hold. Blu-Rays have capabilities that are way ahead of DVDs, such as accessing the bonus material while watching the movie
