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Search results for holography

Cell & Microbiology Jun 23, 2023

Deep learning and holographic imaging accelerate the detection and quantification of viral plaques

Viral infections have challenged humanity for centuries. Even with progressive scientific advancements, the struggle against viruses continues, as exemplified by the recent COVID-19 pandemic. In the fight against these viral ...

General Âé¶¹ÒùÔºics Jun 22, 2023

Could quantum gravity models arising from holography explain cosmological acceleration?

Theoretical physicists have long been trying to devise a complete theory of gravity that would also account for quantum mechanics phenomena, as existing models do not. Such a theory could collectively explain the many intricate ...

Optics & Photonics Jun 14, 2023

Researchers achieve first-ever printing of materials using laser techniques that change with voltage

Researchers from the Holography and Optical Processing Group (GHPO) have succeeded in printing tunable materials for the first time using high-precision laser techniques. This development has been published in the journal ...

Optics & Photonics Jun 9, 2023

Ultrashort light pulses shaped like a spring toy bring a new twist to photonics

We've all played at least once with a spring toy, but did you know that light can be shaped like a spring too?

Optics & Photonics May 30, 2023

The making of a Mona Lisa hologram

Holograms are often displayed in science fiction as colorful, life-sized projections. But what seems like the technology of the future is actually the technology of the present, and now it has been used to recreate the Mona ...

Optics & Photonics May 26, 2023

Sparse holography: A novel method for creating 3D images

Computational imaging has seen tremendous progress in the last decade. The process involves using a combination of advanced algorithms and hardware to create images that cannot otherwise be captured by traditional cameras.

Optics & Photonics May 11, 2023

Adding dimensions with Lucy–Richardson–Rosen algorithm to incoherent imaging

Coded aperture imaging (CAI) is another incoherent imaging technique developed in the 20th century to achieve lensless 2D imaging with nonvisible wavelengths. In CAI, the light from an object is modulated by a coded mask ...

Optics & Photonics May 4, 2023

Technology enables conversion of mobile phone cameras into high-resolution microscopes

Researchers in Singapore have developed the world's smallest LED (light-emitting diode) that enables the conversion of existing mobile phone cameras into high-resolution microscopes. Smaller than the wavelength of light, ...

Optics & Photonics Apr 22, 2023

New approach to developing efficient, high-precision 3D light shapers

Modern-day technologies like optical computing, integrated photonics, and digital holography require light signals to be manipulated in three dimensions. To achieve this, it is necessary to be able to shape and guide the ...

Optics & Photonics Apr 13, 2023

New light sheet holography overcomes the depth perception challenge in 3D holograms

Holography—the use of light projection to display images—can be used to construct holograms, which are three-dimensional structures of light that depict true-to-life objects and scenes. While today's technologies can't ...

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