Thermal Imaging
All articles filed under Thermal Imaging — 81 articles.
Johnson Criteria for Thermal Imaging
Johnson Criteria for Thermal Imaging explain DRI range, pixels on target, lens choice, and OEM trade-offs for LWIR, MWIR, and multi-band OEM modules.
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How Thermal Imaging Works: A Technical Primer for Engineers
A technical explanation of thermal imaging — blackbody radiation, infrared detectors, the imaging pipeline, and what distinguishes high-performance from budget modules.
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DRI in Thermal Imaging: Detection, Recognition, and Identification
DRI in thermal imaging explained for OEM engineers: detection, recognition, identification range, target pixels, optics, NETD, MTF, and sensor trade-offs.
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Germanium vs Chalcogenide Infrared Lenses
Compare germanium vs chalcogenide infrared lenses for LWIR and MWIR modules, covering key transmission, thermal drift, molding, cost, and OEM trade-offs.
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How Far Can Thermal Imaging Really See?
Thermal imaging range depends on target size, focal length, pixel pitch, NETD, and atmosphere. Learn how to estimate detection, recognition, and ID distance.
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What Is an Infrared Lens?
An infrared lens transmits IR radiation onto a focal plane array. Learn how material choice, focal length, and F-number shape thermal imaging system performance.
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Firefighting Drones with Thermal Eyes: Fireground Reconnaissance Through Smoke
How a municipal fire brigade put radiometric thermal cameras on its quick-response drones — locating the seat of the fire, hidden hot spots and trapped people through smoke before committing crews inside.
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Why Are Infrared Lenses So Much More Expensive Than Standard Lenses?
Infrared lenses cost 10–100× more than standard optics. Germanium, IR AR coatings, athermalization, and low volume explain the price gap—with real data.
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Polarimetric Thermal Imaging: Camouflage Defeat and Material Discrimination
How polarized LWIR imaging enables detection of camouflaged targets, material identification, and enhanced threat detection beyond conventional thermal cameras.
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