News & Knowledge Base
Product announcements, technical insights, and application knowledge from the IRmodules engineering team.
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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What Is NETD in Thermal Imaging?
NETD in thermal imaging defines the minimum resolvable temperature difference. Covers measurement conditions, key trade-offs, and OEM detector selection criteria.
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Dual-Band Imaging vs Single-Band: When the Extra Channel Earns Its Keep
A systematic comparison of dual-band EO/IR imaging versus single-band — when the additional visible or SWIR channel adds genuine operational value and when it doesn't.
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What Specifications Matter When Buying an IR Camera Core?
IR camera core buying guide: 5 key parameters covering waveband, resolution, NETD sensitivity, frame rate, interface, and cooled vs. uncooled trade-offs.
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