Holographic Versatile Disc
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VIDV7HMSEOR
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Geliefert zwischen Mi., 29.10.2025 und Do., 30.10.2025
Details
High Quality Content by WIKIPEDIA articles! The Holographic Versatile Disc (HVD) is an optical disc technology. It can hold many times the amount of information as a Blu-ray disc. It employs a technique known as collinear holography, whereby two green laser beams are collimated in a single beam. The green laser reads data encoded as laser interference fringes from a holographic layer near the top of the disc. A Blue laser is used as the reference beam to read servoinformation from a regular CD-style aluminum layer near the bottom. Servoinformation is used to monitor the position of the read head over the disc, similar to the head, track, and sector information on a conventional hard disk drive. On a CD or DVD this servoinformation is interspersed amongst the data.
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GarantieWeitere Informationen
- Allgemeine Informationen
- GTIN 09786130807351
- Anzahl Seiten 112
- Genre Wärme- und Energietechnik
- Editor Frederic P. Miller, Agnes F. Vandome, John McBrewster
- Herausgeber Alphascript Publishing
- EAN 9786130807351
- Format Fachbuch
- Titel Holographic Versatile Disc
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