A new laser technology is capable of recording 500 terabytes of data on a disk as small as a CD

A team of researchers from the University of Southampton (UK) has a new one High speed laser writing process which can record 500 terabytes on a CD-sized quartz glass disk, pick up the Institute of Engineering and Technology (England) on its website, citing the to learn, published this Thursday in Optica magazine.

The nanostructures produced by this technology enable store five-dimensional optical data for 1 billion years. The innovative process comprises two optical dimensions and three spatial dimensions. This gives the new disc 10,000 times more data storage capacity than Blu-Ray discs.

In the past, although five-dimensional memories appeared on the market earlier, it took too long to write data, so implementing the technology was inefficient and consumed a lot of electricity. Today, new technologies can Write data at a rate of a million voxels per second, that is, it is capable of registering around 230 kilobytes (or more than 100 pages of text) per second.

“While cloud storage systems are more intended to store data temporarily, we believe our five-dimensional glass technology could be used for long-term storage in national archives, museums, libraries or private companies,” said lead investigator Yuhao Lei.

Currently, 5D silica glass panels are in use by the Arch Mission Foundation, which aims to preserve the products of human culture for millennia or millions of years to come for future generations.

In 2018, one of these discs contained vast amounts of information about human knowledge as well as samples of human DNA, he was taken into orbit in the Falcon Heavy launcher, developed and manufactured by SpaceX. Later, the Fund plans to put a disk into orbit each planetary body, as well as to the surface of the largest asteroids in the solar system Create ‘the safeguard’ of human heritage.

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