Search results for CCD

Bio & Medicine Sep 21, 2023

Unveiling the science of ultrasound-driven microbubble desorption

Injecting drugs into the bloodstream can often harm healthy tissues as well. Drug delivery systems (DDSs) are an innovative solution designed to target specific cells and minimize such side effects. One strategy for drug ...

Optics & Photonics Sep 15, 2023

Synergy of traditional techniques and deep learning enables single-frame high-precision fringe pattern analysis

Optical metrology, as a general-purpose metrology technique that uses light as information carriers for non-contact and non-destructive measurement, is fundamental to manufacturing, basic research, and engineering applications.

Optics & Photonics Sep 14, 2023

New camera offers ultrafast imaging at a fraction of the normal cost

Capturing blur-free images of fast movements like falling water droplets or molecular interactions requires expensive ultrafast cameras that acquire millions of images per second. In a new paper, researchers report a camera ...

Astronomy Aug 30, 2023

New X-ray detectors to provide unprecedented vision of the invisible universe

Very detailed information is now available from ultraviolet, optical, and submillimeter observations of the stellar, dust, and cold gas content of galaxies, and yet there is a dearth of understanding about the mechanisms ...

Optics & Photonics Aug 22, 2023

Line-scan Raman micro-spectroscopy provides rapid method for micro and nanoplastics detection

Microplastics—plastics particles smaller than 5 mm in size—have caused an environmental pollution issue that cannot be ignored by our society. Raman spectroscopy technology, with its non-contact, non-destructive and chemical-specific ...

Astronomy Aug 22, 2023

Astronomers discover eight ultraluminous X-ray sources in NGC 1559

Astronomers from Taiwan have performed X-ray observations of the galaxy NGC 1559 using NASA's Chandra spacecraft. They detected eight new ultraluminous X-ray sources in this galaxy. The finding is reported in a paper published ...

Optics & Photonics Aug 11, 2023

A high-precision flatness measurement for cryogenic mosaic focal plane arrays

A research team led by Professor Wang Jian, the deputy chief designer of the Wide Field Survey Telescope (WFST) and a faculty member of the State Key Laboratory of Nuclear Detection and Nuclear Electronics of the School of ...

Optics & Photonics Jul 24, 2023

Diffractive networks enable quantitative phase imaging (QPI) through random diffusers

For decades, imaging weakly scattering phase objects such as cells has been an active area of research across various fields, including biomedical sciences. One common approach uses chemical stains or fluorescent tags to ...

Astronomy Jul 17, 2023

Astronomers explore the chromosphere of peculiar white dwarfs

Using the 3.6-m New Technology Telescope (NTT) at the La Silla Observatory in Chile, astronomers have observed three peculiar white dwarfs of the DAHe subtype. In their results, they found dipolar chromospheres in two of ...

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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