spectrometer
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Physics
Compact all-fiber photoacoustic spectrometer for intravascular gas detection comparable to laboratory-based systems
Fiber photoacoustic spectrometer allows continuous intravascular gas monitoring. Credit: Jun Ma (Jinan University) Compact spectroscopic systems capable of detecting trace concentrations at parts per billion (ppb) levels are of paramount importance in applications ranging from environmental monitoring and industrial process control to biomedical diagnostics. However, existing benchtop spectroscopy systems are too large, complex, and impractical for use in confined spaces.…
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Space & Cosmos
WEAVE spectrometer reveals duality of galactic shock
Superimpose the WEAVE decomposition of Stephan’s Quintet gas onto the JWST image. Red highlights gas shocked by collisions, while green and blue indicate star-forming regions. Purple areas represent unexplained bubbles. The black contours indicate neutral hydrogen, and its position relative to the shocked gas (red) shows where it came from. Credit: Arnaudova et al. A team of more than 50…
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