An in-line holographic microscope is an optical microscope outfitted with a coherent light source, such as a laser. Light scattered by the specimen interferes with the transmitted beam, and the ...

Particles of twisted light that have been entangled using quantum mechanics offer a new approach to dense and secure data storage. Holograms that produce 3-D images and serve as security features on ...

Scientists unveil metasurface technology, allowing for angle-dependent holograms. The expression "flawless from every angle" is commonly used to characterize a celebrity's appearance. This doesn't ...

We propose and demonstrate a holographic imaging scheme exploiting random illuminations for recording hologram and then applying numerical reconstruction and twin image removal. We use an in-line ...

Counterfeiting of various documents, banknotes, or tickets is a common problem that can be encountered in everyday life, even when shopping. Recognizing the scale and seriousness of the problem, ...

Most people own at least one hologram, probably without knowing it’s a hologram. Those with relatively little optical background, most of the general public, are most likely to encounter real ...

The expression "flawless from every angle" is commonly used to characterize a celebrity's appearance. This doesn't simply imply that they appear attractive from a specific viewpoint, but rather that ...

Holographic security labels produced by KTU scientists. Credit: Original content from KTU developers of new holographic label technologies Counterfeiting of various documents, banknotes, or tickets is ...