IR stands for "Infrared" , which means infrared. It is a part of the electromagnetic spectrum with a longer wavelength than visible light but shorter than microwaves. IR technology is used in various industries, including the military and night vision. We typically talk about wavelengths of 850nm or 950nm (which is nearly imperceptible to the human eye).

Usage with NVG (Night Vision Goggles):

IR Illuminators: These devices emit infrared light, which is not visible to the human eye but can be detected by NVG. It is used to illuminate the area at night without revealing presence using visible light.

IR Laser Markers: Military units may use IR laser markers for targeting or marking positions for air support. NVG can see these markers, even though they are in the invisible spectrum for normal human vision.

IR Detectors: NVG are capable of detecting thermal differences, including infrared radiation. This allows the vision of objects in complete darkness or under poor lighting conditions.

Usage in the Military:

Night Operations: Military units can utilize NVG with IR technology for night operations without using visible light, increasing efficiency and reducing the risk of detection.

IR Lighting: For military missions where maintaining tactical invisibility is necessary, IR lighting is often used for maps, equipment, and navigation.

IR Fighter Jets: Modern fighter jets have systems for detecting and tracking targets in the infrared spectrum. This enables effective execution of night operations or identification of "warm" targets.

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