Researchers have developed a way to create photonic time crystals, and they have shown that these bizarre, artificial materials amplify the light that shines on them. These findings, described in a paper in Science Advances, ...
Optics & Photonics
Apr 5, 2023
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371
Skoltech researchers have refined a technique used in bilirubin blood tests for diagnosing newborn jaundice and fine-tuning phototherapy prescribed for it. Jaundice affects up to 80% of preterm infants, who are treated with ...
Analytical Chemistry
Mar 13, 2023
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28
Reliable colorimetric analysis technologies have been widely praised for their highly sensitive and selective responses towards various contaminants in environmental monitoring. In principle, the chromogenic agent selectively ...
Analytical Chemistry
Jan 17, 2023
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9
Polarimetric images can provide information such as shading and surface morphologies by using polarizers that selectively reflect the transverse electric (TE) field and transmit the transverse magnetic (TM) field of unpolarized ...
Polymers
Dec 27, 2022
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10
Researchers from the University of Tsukuba have shown how adding a tiny resonator structure to an ultrafast electron pulse detector reduced the intensity of terahertz radiation required to characterize the pulse duration.
Optics & Photonics
Dec 15, 2022
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141
Metalenses, compact lenses made with metasurfaces, have the potential to enable thinner, lighter, cheaper, and better imaging systems for a wide range of applications where miniaturization is critical (e.g., for mobile devices, ...
Optics & Photonics
Dec 2, 2022
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7
While conventional photodetectors can only measure light intensity, the light field contains much richer information. This information includes but is not limited to phase, polarization, and spectrum.
Optics & Photonics
Nov 4, 2022
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12
An ultracompact circularly polarized light source is a crucial component for the applications of classical and quantum optics information processing. The development of this field relies on the advances of two fields: quantum ...
Optics & Photonics
Sep 8, 2022
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167
During the COVID-19 pandemic last year, an incident occurred where vaccines exposed to room temperature had to be discarded. Biomedical substances, including vaccines, risk deterioration if not stored properly, so strict ...
Analytical Chemistry
Aug 11, 2022
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24
Researchers at Kanazawa University report in ACS Nano the development of a nanoparticle that acts as a heater and a thermometer. Inserting the nanoparticle in living cells results in a heat spot that, by switching it on and ...
Bio & Medicine
Aug 10, 2022
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43
