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, ...

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 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 ...

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 ...

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 ...

Optics & Photonics May 9, 2023

Polychromatic full-polarization control in mid-infrared light

Mid-wavelength infrared (MWIR) as one of the most important transparent atmosphere windows is less sensitive to interference from the background emission of the sun, providing a high-transmission zone for the finger-print ...

Astronomy Mar 27, 2023

How Webb's coronagraphs reveal exoplanets in the infrared

NASA's James Webb Space Telescope has many different observing modes to study planets orbiting other stars, known as exoplanets. One way in particular is that Webb can directly detect some of these planets. Directly detecting ...

Analytical Chemistry Mar 6, 2023

Highly efficient, near-infrared-featured CO2 reduction by surface plasmon

To synthesize hydrocarbons via sunlight, CO2 and water is commonly seen in the nature, especially in the plant kingdom, but it remains an inviting challenging in science amidst growing interest in pursuing new and clean energy. ...

Polymers Feb 20, 2023

Designing advanced 'BTS' materials for temperature and long-wave infrared sensing

Materials scientists are often inspired by nature and therefore use biological compounds as cues to design advanced materials. It is possible to mimic the molecular structure and functional motifs in artificial materials ...

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