High density imaging offers solution to counterfeiting
Governments, industry and consumers have faced the issue of counterfeit goods for a long time.
Governments, industry and consumers have faced the issue of counterfeit goods for a long time.
Optics & Photonics
May 5, 2020
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Magnetic data storage has been gradually replaced by optical data storage (ODS) with higher efficiency, lower energy consumption, larger capacity, and longer service lifetime. As a classical kind of ODS medium, photostimulated ...
Materials Science
Mar 2, 2020
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Control of the polarization of light is a key feature for displays, optical data storage, optical quantum information, and chirality sensing. In particular, the direct emission of circularly polarized (CP) light has attracted ...
Materials Science
Dec 13, 2019
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Researchers have demonstrated a new technique that can store more optical data in a smaller space than was previously possible on-chip. This technique improves upon the phase-change optical memory cell, which uses light to ...
Optics & Photonics
Dec 20, 2018
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Tiny, nano-sized crystals of salt encoded with data using light from a laser could be the next data storage technology of choice, following research by Australian scientists.
Optics & Photonics
Jun 28, 2018
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A City College of New York led-team headed by physicist Dr. Carlos Meriles has successfully demonstrated charge transport between Nitrogen-Vacancy color centers in diamond. The team developed a novel multi-color scanning ...
Quantum Physics
Aug 30, 2016
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Researchers at the University of Illinois at Urbana-Champaign have demonstrated that an array of novel gold, pillar-bowtie nanoantennas (pBNAs) can be used like traditional photographic film to record light for distances ...
Nanophysics
Jul 17, 2014
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(Phys.org) —Data stored on today's CDs and DVDs has a lifetime of several decades before the physical material begins to significantly decay. Researchers are working on prolonging the lifetime of stored data, but so far ...
We live in a world where digital information is exploding. Some 90% of the world's data was generated in the past two years. The obvious question is: how can we store it all?
General Physics
Jun 20, 2013
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Businesses and consumers may soon have a simple, cheaper way to store large amounts of digital data. Case Western Reserve University researchers have developed technology aimed at making an optical disc that holds 1 to 2 ...
Hardware
Oct 9, 2012
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