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Optics & Photonics Jan 17, 2024

New technique uses optical orbital angular momentum lattice to enhance information storage capacity

In the realm of optical holography, the conventional limitations of polarization, wavelength, and incident angle are giving way to a new era of possibilities. A breakthrough technique known as optical orbital angular momentum ...

Optics & Photonics Dec 21, 2023

Dynamic interactive bitwise meta-holography with ultra-high computational and display frame rates

Computer-generated holography (CGH) represents a cutting-edge technology that employs computer algorithms to dynamically reconstruct virtual objects. This technology has found extensive applications across diverse fields ...

Optics & Photonics Oct 11, 2023

High-throughput terahertz imaging: Progress and challenges

Lying between the infrared and millimeter wave regimes, terahertz waves possess many unique properties, prompting numerous compelling imaging applications, such as non-destructive testing, security screening, biomedical diagnosis, ...

Optics & Photonics Jul 10, 2023

Researchers devise new quantum photonics technique to create better holograms

By enabling the recording and reconstruction of faint light beams containing a single particle of light, a new technique opens the door to holographic imaging of remote objects.

Optics & Photonics Jul 5, 2023

Orbital angular momentum boosts multiplexed holography

Optical holography is a powerful method for recording and reconstructing complete optical field information, including intensity and phase. It has found extensive applications in various fields, such as optical display, imaging, ...

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 Mar 31, 2023

Bringing angular momentum to holograms and metasurfaces

Holography, invented by Gabor, provides an approach for recording and reconstructing the complete information (i.e. intensity and phase) of the light from an object. Since its invention, holographic-related technologies have ...

Nanophysics Oct 13, 2022

Scientists count electric charges in a single catalyst nanoparticle down to the electron

If you often find yourself off by one when counting your socks after doing the laundry, you might want to sit down for this.

Optics & Photonics Apr 12, 2022

Linear polarization holography

In conventional holography, the hologram is formed by recording the interference fringes of two coherent beams using a photosensitive material. The amplitude and phase information of the original signal wave can be reconstructed ...

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