Thermal imaging is a non-contact sensing method that detects and visualizes spatial distributions of infrared radiation emitted by objects, converting them into temperature-resolved images. It typically employs uncooled microbolometer arrays or cooled photon detectors sensitive to mid- or long-wave infrared bands, with optics and calibration algorithms to map radiance to apparent surface temperature. The technique enables quantitative thermography, including emissivity correction, noise filtering, and temporal analysis, and is widely used for condition monitoring, biomedical diagnostics, materials characterization, building envelope assessment, and process control, where high sensitivity to small temperature gradients and accurate radiometric calibration are critical for reliable measurement and interpretation.
Infrared imaging technology is crucial for advancing our understanding of the world, from exploring biological specimens to inspecting complex materials and detecting hidden patterns in physical systems.
Optics & Photonics
Oct 16, 2024
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Researchers from Tokyo Metropolitan University have devised a way to measure both the temperature and velocity profiles of fluid in a convective plume at millimeter length scales in 3D. They combined near-infrared absorption ...
General Physics
Jul 22, 2024
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Infrared detectors are the core components of infrared detection systems and play an important role in fields such as night vision, remote sensing, and health monitoring. In this context, the utilization of mature silicon ...
Optics & Photonics
Jun 14, 2024
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Long-wavelength infrared (LWIR) imaging holds critical significance across many applications, from consumer electronics to defense and national security. It finds applications in night vision, remote sensing, and long-range ...
Optics & Photonics
Mar 15, 2024
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193
Researchers have developed a new technology that uses meta-optical devices to perform thermal imaging. The approach provides richer information about imaged objects, which could broaden the use of thermal imaging in fields ...
Optics & Photonics
Jan 11, 2024
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110
Thermometers can do a lot of things: Measure the temperature at the center of your perfectly braised chicken or tell you whether to keep your child home from school due to illness. But because of their size, traditional thermometers' ...
Nanophysics
Sep 26, 2023
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247
A new imaging technique developed by the teams of Professors Jinyang Liang and Fiorenzo Vetrone at the Institut national de la recherche scientifique (INRS) can quickly measure temperature in 2D without contact. The results ...
Bio & Medicine
Nov 9, 2021
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Coming soon to a lab tabletop near you: a method of magneto-thermal imaging that offers nanoscale and picosecond resolution previously available only in synchrotron facilities.
Nanophysics
Jun 23, 2021
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