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Showing posts with the label thermometer

Multifunctional phosphor developed for white LED lighting and optical temperature measurement

https://phys.org/news/2024-09-multifunctional-phosphor-white-optical-thermometry.html "safer LEDs, without yellow phosphors, inadequate red light affecting color rendering, blue light exposure hazard... energy-efficient... Bi3+/Eu3+ co-doped Ca2Ta2O7 (CTO:Bi3+/Eu3+) phosphors with tunable color emission from green to reddish-orange... enhances white LED, optical thermometer performance... high color rendering index... near-UV pumped white LED devices, visual thermometers, high-temperature safety markings" Related: Sustainable, manganese-based phosphors show promise for white-light LEDs https://phys.org/news/2025-06-sustainable-manganese-based-phosphors-white.html#google_vignette

In a first, researchers apply dual frequency comb technology to photonic thermometers

https://phys.org/news/2023-08-dual-frequency-technology-photonic-thermometers.html "faster, smaller, and more robust... 1 comb source of light and 2nd comb almost same, combined light sent to photonic thermometer, their slightly offset frequencies create beat pattern... difference creates each unique tooth in RF comb revealing temperature, accurate within 1/10k°K... interrogate photonic sensors between 10 and 1KX faster, which measure, using same light source, temperature, strain, humidity, acceleration embedded into buildings or bridges, measuring ms temperature changes in medical radiation therapy" Related: Researchers turn a small photonic chip into a functional temperature sensor https://phys.org/news/2023-12-small-photonic-chip-functional-temperature.html Researchers turn up the heat on flexible temperature sensor development using microwaves https://techxplore.com/news/2024-01-flexible-temperature-sensor-microwaves.html New sensor measures strain, strain rate and temper...