Knowledge Base
All articles filed under Knowledge Base — 47 articles.
What Is the Difference Between Infrared Detection, Recognition, and Identification Range?
Infrared detection range, recognition range, and identification range explained with Johnson criteria, pixel count, focal length, target size.
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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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NUC and Calibration in Infrared Cameras: What System Designers Need to Know
A technical explanation of Non-Uniformity Correction (NUC) in infrared imaging systems — how it works, when it triggers, and how to design around it in your product.
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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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Cooled MWIR vs Uncooled LWIR: A Buyer's Guide for System Integrators
A structured comparison of cooled MWIR and uncooled LWIR thermal imaging modules for system integrators — performance, cost, power, and application fit.
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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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Infrared Optics Primer: Focal Length, F-number, and Field of View
A practical optics reference for EO/IR system engineers — how focal length, F-number, and FOV interact in infrared imaging systems, with worked examples.
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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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