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Polaritons are coupled excitations of electromagnetic waves with either charged particles or vibrations in the atomic lattice of a given mat
Researchers have demonstrated in a Nature Communications article the integration of 2D polaritons with a detection system into the same 2D material. The integrated device enables, for the first time, spectrally resolved electrical detection of 2D polaritonic nanoresonators, and marks a significant step towards device miniaturization.
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Work will help to preserve ancient murals
Two Roman mosaics in the ancient city of Pompeii have been analysed by heritage scientists who used portable spectrometers to reveal what the different coloured tiles are made of. The materials they identified include reddish iron minerals and pieces of solidified lava from nearby Mount Vesuvius. The findings, the researchers say, will help ensure these 2000-year old artworks can be preserved in their original setting.
A team led by Iker Marcaida from the University of the Basque Country in Spain looked at two mosaics in one of the most important sites in Pompeii, the House of Gilded Cupids, a lavishly decorated villa that once belonged to a wealthy family. The house is known for its well-preserved wall paintings, mirrors and shrines, as well as floor mosaics featuring black, white, orange and red tiles.
The researchers say working out the composition of individual cube-shaped tiles – known as tesserae – is ‘an interesting challenge from a chemical and archaeological point of view’, particularly as it is not possible to remove samples from the site for laboratory analysis.
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"Tiny device could replace expensive lab-scale equipment for many applications". Reblog with caption 🙃
Spectrometers are technology for reading light that date back to the era of famed 17th-century physicist Isaac Newton. They work by breaking
The researchers demonstrate a novel, extremely high-performance spectrometer that can measure light with a 0.05 nanometers wavelength resolution. That’s about 1.6 million times smaller than the width of a human hair, and the same resolution that can be achieved on a device 1,000 times bigger.
Explore premium lab testing Instruments including Atomic Absorption Spectrophotometer (AAS) and UV-Visible Spectrophotometer for accurate, r
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Spectrometer for Steel Industries: A Key to Precision
Spectrometers play a crucial role in the steel industry, ensuring high-quality production by analyzing the chemical composition of metals. By accurately measuring elements like nitrogen and oxygen in steel, spectrometers help manufacturers meet industry standards and enhance product performance.
Key Benefits of Spectrometers in Steel Industries
Precision and Accuracy: Spectrometers offer highly accurate readings, which are essential for maintaining the quality of steel products.
Nitrogen Analysis in Steel: Nitrogen plays a vital role in influencing steel's mechanical properties. Excess nitrogen can cause brittleness, while controlled amounts improve strength. Spectrometers help monitor nitrogen levels to ensure optimal performance.
Oxygen Analysis in Steel: Oxygen content can impact the quality of steel. If oxygen levels are too high, it can cause defects like porosity and reduce strength. Spectrometers assist in accurately analyzing oxygen content, preventing such issues.
Example of Spectrometer Application
In modern steel manufacturing, Optical Emission Spectrometers (OES) are commonly used to analyze nitrogen and oxygen in steel. For instance, industries use spectrometers to ensure that structural steel maintains the right balance of elements, ensuring durability in construction.
Why Use a Spectrometer in Steel Manufacturing?
Consistent quality control: Avoid defects by monitoring nitrogen and oxygen levels in real time.
Cost efficiency: Prevents waste by ensuring proper composition.
Compliance: Meet stringent industry regulations for steel production.
Spectrometers are vital for delivering high-quality, durable steel products, making them an indispensable tool in the industry.
For steel industries, integrating spectrometers ensures precise control over nitrogen and oxygen levels, directly improving both production quality and efficiency. Metal Power offers advanced spectrometers tailored for the steel industry, ensuring precise analysis for optimal results. Contact Metal Power today to enhance your production quality.
I love a good x-ray gun
saved my lab partner from destroying a spectrometer with an upside down cuvette. i’m not the hero this university wants, but i am the hero it needs.
