Physicists have managed to create an experimental structure with a strong toroidal dipole response of the electromagnetic field over a wide frequency range. This response is associated with a special configuration of electromagnetic ...
Optics & Photonics
Aug 6, 2018
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9
In her doctoral dissertation, M.Sc. Sanna Haavisto, researched the flow properties of aqueous microcellulose suspensions. Optical coherence tomography, an imaging technology commonly used in medical imaging of eye, was applied ...
Biotechnology
Aug 5, 2019
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13
Scientists at the U.S. Naval Research Laboratory (NRL) discovered a new method to passivate defects in next generation optical materials to improve optical quality and enable the miniaturization of light emitting diodes and ...
Optics & Photonics
Apr 15, 2019
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9
Researchers from Tokyo Metropolitan University have used carbon nanotube templates to produce nanowires of transition metal monochalcogenide (TMM), which are only 3 atoms wide in diameter. These are 50 times longer than previous ...
Nanomaterials
Apr 22, 2019
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14
Optical materials are essential in many modern applications, but controlling the way a material reflects light on its surface is costly and difficult. Now, in a recent study, researchers from Japan found a simple and low-cost ...
Optics & Photonics
Aug 22, 2024
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8
Cell phones, cars and many other devices have separate cameras and sensors for day and night vision, but that need could go away thanks to University of Dayton researchers who developed a single device that can switch between ...
Optics & Photonics
Nov 16, 2021
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77
In the atmosphere, individual soot particles emitted from human activities often encounter and combine with organic material, forming soot-containing particles. A research team led by scientists from the U.S. Department of ...
Earth Sciences
Feb 13, 2019
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4
Bright pink lights are used for providing sufficient lighting to house plants. Similar lamps are also used by farmers in greenhouses. Still, specialists in photophysiology argue that such lamps do not provide all the light ...
Materials Science
Jun 9, 2020
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3
From fundamental physics of light-matter interaction to fabrication of targeted optical properties in highly complex optical engineering, the femtosecond (fs) laser plays a crucial role in laser manufacturing. Ultrashort ...
Optics & Photonics
Feb 23, 2023
0
3
Non-Hermitian systems have numerous alluring optical properties at exceptional points (EPs) and have attracted extensive attention because of their great prospects in applications such as optical sensing, integrated optics, ...
Optics & Photonics
Sep 21, 2023
0
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