Search results for infrared

Optics & Photonics Feb 16, 2024

First operation of a two-color mode in an infrared free-electron laser

A technological milestone has been achieved at the Fritz Haber Institute (FHI) of the Max Planck Society in Berlin. For the first time, an infrared free-electron laser (FEL) has been operated in a two-color mode. This globally ...

Condensed Matter Feb 8, 2024

Metamaterial chimera nearly undetectable across visible light, microwave, and infrared spectra

A multi-institutional team of optoelectronic and materials engineers in China has developed a type of metamaterial that is nearly invisible across visible light, microwave and infrared spectra. In their paper, published in ...

Optics & Photonics Feb 7, 2024

Whole-infrared-band camouflage with dual-band radiative heat dissipation

Camouflage refers to the ability to reduce the signal captured by detectors, thereby improving survival rates. However, the combination of detectors operating in multiple spectral bands poses a significant challenge, necessitating ...

Nanophysics Feb 7, 2024

Environmentally-friendly InSb/InP colloidal quantum dots for fast and sensitive short-wave infrared photodetectors

Applications such as LIDAR, 3D imaging for mobile devices, automotive and augmented/virtual reality or night vision for surveillance, rely on the development of short-wave infrared (SWIR) photodetectors. These devices are ...

Condensed Matter Jan 31, 2024

Researchers discover new ways to excite spin waves with extreme infrared light

As demands for computing resources continue to increase rapidly, scientists and engineers are looking for ways to build faster systems for processing information. One possible solution is to use patterns of electron spins, ...

Optics & Photonics Jan 3, 2024

Non-toxic quantum dots pave the way towards CMOS shortwave infrared image sensors for consumer electronics

Invisible to our eyes, shortwave infrared (SWIR) light can enable unprecedented reliability, function and performance in high-volume, computer vision first applications in service robotics, automotive and consumer electronics ...

Ecology Jan 2, 2024

New high-speed video system uses sensors, infrared illumination to track insects in large wild areas

Our ability to learn more about insect behavior—which affects ecology, health, and economy on a global scale—depends largely on suitable recording technology. But until now, these tools have been considerably limited.

Optics & Photonics Dec 6, 2023

Researchers create first supermirrors in mid-infrared range

An international team of researchers from Austria, the United States and Switzerland have created the first supermirrors in the mid-infrared range. These mirrors are a key technology for many applications, such as optical ...

Nanomaterials Nov 28, 2023

Biomimetic crystallization for long-pursued –COOH-functionalized gold nanocluster with near-infrared phosphorescence

Recently, Professor Di Sun's group at Shandong University extended the salting-out method (commonly used to crystallize biological macromolecules, proteins, and DNA) to crystallize –COOH-functionalized AuNCs and obtained ...

Analytical Chemistry Nov 15, 2023

Research team develops antiaromatic molecules that exhibit absorption and fluorescence bands in near-infrared region

A research group led by Associate Professor Masahito Murai of the Graduate School of Science and Professor Shigehiro Yamaguchi of the Functional Organic Materials Laboratory has successfully developed antiaromatic molecules ...

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