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Scientists develop the petabit optical disc – 2000x UHD Blu-ray

Scientists develop the petabit optical disc – 2000x UHD Blu-ray

Optical Storage Feb 26,2024 0

According to news released, Chinese scientists from the University of Shanghai, managed to produce a new type of optical storage media, at the same size of a Blu-Ray disc that can hold up to 200,000 gigabytes of data and could be manufactured in existing DVD factories, according to scientists. The Chinese scientists published their findings in a research paper earlier this month in Nature, explaining that it is a "3D nanoscale" optical disc with up to 100 layers that can each hold data. It uses a novel light-sensitive material called AIE-DDPR and two types of lasers to read to disc; 480nm blue and 592nm orange, respectively.

Compared with a traditional UHD Blu-Ray which has a capacity of up to 100 gigabytes with a 3-layer disc, the new disc optical disc represents a massive 2000x increase, which can be used in various different applications. The team hopes that blank discs can be manufactured using conventional DVD mass production. It would take around 6 minutes to produce a blank disc.

Sources:
https://www.flatpanelshd.com/news.php?subaction=showfull&id=1708936569
https://spectrum.ieee.org/data-storage-petabit-optical-disc
https://www.nature.com/articles/s41586-023-06980-y

Tags: Blu-Ray
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