Published in Tech Brief: Countering the New Threat from the Sky: Advanced IR Imaging Zoom Lenses for C-UAS Systems

Designing a lens system capable of rapid identification with a high degree of accuracy is required for modern aerial threat detection and identification.

Current world conflicts have proven that drones are now indispensable tools in modern warfare. Whether for reconnaissance, loitering munitions, or asymmetric tactics that exploit vulnerabilities in conventional defenses, unmanned aerial systems (UAS) are redefining the rules of engagement. But their unique capabilities and adaptability make them a growing threat far beyond the battlefield. Their use can extend to national borders and even within domestic airspace. Plus, their widespread availability means they can be exploited by governments, terrorist groups, criminal organizations, and lone actors alike.

Counter-UAS (C-UAS) platforms are evolving rapidly to meet the drone threat. These utilize a variety of technologies locate and track drones — including radar, RF monitoring, and advanced infrared (IR) optics imaging. This article highlights requirements for an IR imaging C-UAS platform and examines the design of one state-of-the-art lens system for this application.

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