Reconfigurable intelligent surfaces (RISs) are a type of programmable structure that can be used to control the propagation of electromagnetic waves, by changing the electric and magnetic properties of the surface. They provide ...
Optics & Photonics
Feb 4, 2022
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11
Today, astronomers seek to observe the faintest and most distant objects possible. Extremely Large Telescopes (ELTs), with apertures in the order of several dozen meters, are the next generation facilities to do so. However, ...
Optics & Photonics
Nov 10, 2022
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269
In 1961, physicist Ugo Fano provided the first theoretical explanation to an anomalous asymmetry observed in the spectral profiles of noble gases. He put forth an impactful interpretation of this phenomenon, now called 'Fano ...
Optics & Photonics
Mar 19, 2021
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14
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
Jul 5, 2023
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Microscopy is an essential tool in multiple research fields and industries, such as biology, medicine, materials science, and quality control, to name a few. Although many microscopy techniques exist, each has pros and cons, ...
Optics & Photonics
Dec 21, 2020
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11
Photoacoustic imaging is a cutting-edge technology that uses light and sound to create images of the inside of the body. When a pulsed laser illuminates the surface of biological tissue, part of the photon energy is absorbed ...
Optics & Photonics
Apr 12, 2023
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2
Propagate light through any kind of medium – be it free space or biological tissue – and light will scatter. Robustness to scattering is a common requirement for communications and for imaging systems. Structured ...
Optics & Photonics
Jul 14, 2020
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47
Terahertz radiation, between infrared and microwave radiation in the electromagnetic spectrum, possesses unique advantages for fundamental studies and practical applications. The ability to generate and manipulate broadband ...
Optics & Photonics
Oct 26, 2021
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45
Cell organelles are involved in a variety of cellular life activities. Their dysfunction is closely related to the development and metastasis of cancer. Exploration of subcellular structures and their abnormal states facilitates ...
Optics & Photonics
Nov 3, 2022
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67
Histology is the study of biological tissues at a microscopic level. Also called microscopic anatomy, histology is widely used to provide diagnosis of cancer and other diseases. For example, tissue samples obtained during ...
Optics & Photonics
Apr 30, 2021
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