Search results for infrared

Astronomy Jul 31, 2023

Observations explore the nature of infrared source IRAS 07253-2001

Using the Caucasian Mountain Observatory (CMO), Russian astronomers have observed a peculiar infrared source designated IRAS 07253-2001. Results of the observational campaign, published July 20 on the preprint server arXiv, ...

Bio & Medicine Jul 25, 2023

Machine learning enables discovery of DNA-stabilized silver nanoclusters

DNA can do more than pass genetic code from one generation to the next. For nearly 20 years, scientists have known of the molecule's ability to stabilize nanometer-sized clusters of silver atoms. Some of these structures ...

Optics & Photonics Jul 24, 2023

On-chip infrared circular polarization detector with ultrahigh discrimination

Polarization, as a primary physical quantity of light, is of great interest to almost all optical sciences and technologies. Along with linear polarization detection, circular polarization (or light ellipticity) detection ...

Optics & Photonics Jul 6, 2023

Quantum plasmonics with dressing EM fields: Advancing the design of nanoscale integrated circuits

Envision a realm where light can be meticulously controlled and manipulated at minuscule scales, unlocking unprecedented potentials for nanotechnology and quantum information technology. Recent breakthroughs in quantum research ...

Optics & Photonics Jun 20, 2023

Computational mid-infrared photothermal imaging unveils intracellular tau aggregates

As a prominent form of amyloid protein, tau aggregates have emerged as a primary focus of research for uncovering the mechanisms underlying neurodegeneration. Various types of tau aggregates, including tau fibrils and oligomers, ...

Bio & Medicine Jun 19, 2023

Near-infrared persistent luminescence nanoprobe developed for ultrasensitive image-guided tumor resection

Medical imaging technology such as magnetic resonance imaging (MRI), computed tomography (CT) and X-ray cannot provide real-time images during tumor resection surgery, and surgeons usually rely on visual cues, touch and experience ...

Analytical Chemistry Jun 15, 2023

Theoretical discovery: A new path for quantum physics to control chemical reactions

Controlling chemical reactions to generate new products is one of the biggest challenges in chemistry. Developments in this area impact industry, for example, by reducing the waste generated in the manufacture of construction ...

Cell & Microbiology Jun 14, 2023

Thermal infrared reflectance characteristics of natural leaves in the 8–14 μm region

A research team led by Prof. Ye Hong from the School of Engineering Science at the University of Science and Technology of China (USTC) of the Chinese Academy of Sciences (CAS) has developed a radiative transfer model for ...

Astronomy Jun 9, 2023

Astronomers investigate the properties of a nearby pulsar

Using the XMM-Newton satellite and the Hubble Space Telescope (HST), astronomers have conducted X-ray and near-infrared observations of a nearby middle-aged pulsar known as PSR B1055-52. Results of the observational campaign, ...

Optics & Photonics May 26, 2023

All-optical, near-infrared imaging via ultra-thin structured films

Near-Infrared (NIR) vision detectors and cameras play an essential role in today's high-tech tools for imaging, sensing and display technologies. Goggle- or binocular-based NIR cameras are particularly important for night ...

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