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Holographic Memory Film Thinner Than Human Hair

4/15/2018

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As humanity creates more and more digital information, we'll need better ways to store it. That's why newly-developed nanoparticle-based films may be so critical. They're over 80 times thinner than a human hair and could create materials that can holographically archive at least 1,000 times more data than a DVD in a 10-by-10-centimeter piece of film. 
“In the future, these new film
s could be incorporated into a tiny storage chip that records 3D color information that could later be viewed as a 3D hologram with realistic detail,” says Shencheng Fu, who led researchers from Northeast Normal University in Changchun, China in a press statement. “Because the storage medium is environmentally stable, the device could be used outside or even brought into the harsh radiation conditions of outer space.”

Not only can the films hold tremendous amounts of data, but they can also retrieve that data at the speeds of 1 gigabyte per second. Most current USB 3.0 drives, for example, max out at 100 megabytes per second.

Holographic data storage is the process of using lasers to create and read a 3D holographic recreation of data in a material. Lasers can record and read millions of bits at once, give them substantial speed advantages over magnetic storage systems typically seen today. It's not widespread yet, but companies ranging from Hitachi to Nintendo have experimented with it.

There have been potential problems with holographic data storage, however, including the fact that UV light has been shown to corrupt and erase data stored by previous experimental holographic methods. Testing showed that this film, a mere 620 nanometers thick, was able to record efficiently and with a degree of high stability around UV light. The next step is attempting to use the films outside. 
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It will be some time before we see products using this technology sold in stores, given how the holographic memory would also need the development of high efficiency 3D image reconstruction techniques. One step at a time.

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    Rick Richardson, CPA, CITP, CGMA

    Rick is the editor of the weekly newsletter, Technology This Week. You can subscribe to it by visiting the website.

    Rick is also the Managing Partner of Richardson Media & Technologies, LLC. Prior to forming his current company, he had a 28-year career in technology with Ernst & Young, the last twelve years of which he served as National Director of Technology.

    Mr. Richardson has been named to the "Technology 100"- the annual honors list of the 100 key achievers in technology in America. He has also been honored by the American Institute of CPAs with two Lifetime Achievement awards and a Special Career Recognition Award for his contributions to the profession in the field of technology.

    In 2012, Rick was inducted into the Accounting Hall of Fame by CPA Practice Advisor Magazine. He has also been named to the 100 most influential individuals in the accounting profession in America by Accounting Today magazine.

    In 2017, Rick was inducted as a Marquis Who’s Who Lifetime Achiever, a registry of professionals who have excelled in their fields for many years and achieved greatness in their industry.

    He is a sought after speaker around the world, providing his annual forecast of future technology trends to thousands of business executives, professionals, community leaders, educators and students.

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