Digital holographic microscopy is an imaging modality that can digitally reconstruct the images of 3-D samples from a single hologram by digitally refocusing it through the entire 3-D sample volume. In comparison, scanning ...
Optics & Photonics
Mar 7, 2019
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17
Researchers from the Singapore University of Technology and Design (SUTD) have invented a new type of anti-counterfeiting technology called holographic colour prints for securing important documents such as identity cards, ...
Nanophysics
Jan 9, 2019
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56
Holographic antennas first studied around 40 years ago are again a hot topic given the potential of holographic images for a variety of applications. EU researchers developed novel prototype devices based on the associated ...
Engineering
May 30, 2012
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0
The possibility of sending and receiving holographic messages has long tantalized sci-fi fans. Although we're not there yet, scientists have now created holograms that can change from one image to another as the materials ...
Optics & Photonics
May 10, 2017
1
13
Researchers have developed a new approach to multicolor holography that could be used to make 3-D color displays for augmented reality glasses, smartphones or heads-up displays without any bulky optical components.
Optics & Photonics
Jan 24, 2019
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49
Product piracy causes billions worth of damage worldwide. A combination of visible and invisible copy protection is really effective against this. Explosive embossing is an economical procedure and can be used for mass-produced ...
Engineering
Jun 25, 2009
3
0
New research in imaging may lead to advancements for the Air Force in data encryption and wide-area photography with high resolution.
General Physics
Jul 14, 2009
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0
In recent years, due to technology such as the Internet and 8K broadcasting, more information is being distributed across the world. Along with this trend, there is a demand for an innovative method for storing large volumes ...
General Physics
Dec 6, 2017
2
6
The term meta means a concept of transcendence or surpassing, and when applied to materials, metamaterials encompass artificially engineered substances that exhibit properties not naturally found in the environment. Metasurfaces, ...
Nanophysics
Jun 14, 2023
0
84
The Twittersphere was alive Monday with discussion about an eye-popping performance by rapper Tupac Shakur at a US music festival -- 16 years after he died.
Internet
Apr 16, 2012
1
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