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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Optical measurement techniques collecting light intensity in the far-field such as conventional and confocal microscopy or coherence scanning interferometry (CSI) enable fast and contactless inspection of several types of ...
Optics & Photonics
Nov 4, 2022
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42
One of the smallest and mightiest organisms on the planet is a plant-like bacterium known to marine biologists as Prochlorococcus. The green-tinted microbe measures less than a micron across, and its populations suffuse through ...
Ecology
Nov 3, 2022
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October morning temperatures topping 30 degrees Celsius (86 degrees Fahrenheit) in Spain may have brought cheer to the tourists, but they are provoking concern among environmentalists.
Environment
Oct 31, 2022
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We can thank the pyramids of Giza for roads. A vital part of our built environment, they've been a staple of human existence for millennia. How they are built and used reveal a lot about our own modern societies and economies, ...
Archaeology
Oct 24, 2022
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Bacterial resistance to antibiotics is a growing threat to human health. In an article published in the journal PNAS, Umeå researcher Fredrik Almqvist and his colleagues present a new type of antibiotic that effectively ...
Cell & Microbiology
Oct 24, 2022
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Spectrometers are widely used throughout industry and research to detect and analyze light. Spectrometers measure the spectrum of light—its strength at different wavelengths, like the colors in a rainbow—and are an essential ...
Optics & Photonics
Oct 20, 2022
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187
Landfalling North Atlantic tropical cyclones (TCs) cause serious economic damage to human society. In the period 1900–2017, 197 North Atlantic TCs resulted in 206 landfalls in the continental United States, producing about ...
Earth Sciences
Oct 19, 2022
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Being able to precisely monitor concentrations of biomolecules—important for following diseases and adjusting treatments—requires not only highly specific and sensitive sensors, but also that measurements can take place ...
Biotechnology
Oct 19, 2022
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26
As wildfires continue to burn in parts of the United States, state public health officials and experts are increasingly concerned about residents' chronic exposure to toxin-filled smoke.
Earth Sciences
Oct 18, 2022
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