Title: A Survey on Holographic Digital Data Storage and Its Innovations
Publisher: Guru Nanak Publications
Series: Volume 4 Issue 1
Authors: G. Murali Mohan, T. G. N Sreekanth, A. Priyanka
Devices that use light to store and read
data have been the backbone of data storage for
nearly two decades. Compact discs revolutionized
data storage in the early 1980s, allowing multimegabytes
of data to be stored on a disc that has a
diameter of a mere 12 centimeters and a thickness of
about 1.2 millimeters. In 1997, an improved version
of the CD, called a digital versatile disc(DVD), was
released, which enabled the storage of full-length
movies on a single disc.
CDs and DVDs are the primary data storage
methods for music, software, personal computing
and video. A CD can hold 783 megabytes of data,
which is equivalent to about one hour and 15
minutes of music, but Sony has plans to release a
1.3-gigabyte (GB) high-capacity CD. A double-sided,
double-layer DVD can hold 15.9 GB of data, which
is about eight hours of movies.
Distortion, Holograph, Signal processing.