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Thermal imaging cameras, such as LWIR uncooled microbolometers, have excellent detection abilities at night. However SWIR InGaAs cameras are a good compliment to thermal imaging cameras. While thermal imaging can detect the presence of a warm object against a cool background, a SWIR camera can actually identify what that object is. SWIR nightvision is based on reflection of infrared rays from atmospheric glow rather than on thermal radiation. |
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Moreover SWIR InGaAs cameras have a much better dynamic range than thermal imagers. Obviously, a VISNIR InGaAs camera benefits from its ability to see more wavelengths when there is some visible light present.
Additionally, by using SWIR illumination for example 1550nm LEDs or lasers, a scene can be covertly illuminated, i.e., viewing is only possible with a SWIR camera.
Discover which camera could suit your needs
| Raven-384 | Meerkat Fix |
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Security solutions with smart infrared cameras |
Powerfull surveillance and monitoring camera in a fixed housing |
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| Meerkat PTZ | Meerkat Long Range |
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Unique both short and long range tracking |
Reliable, covert and powerful imaging system |
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| XSW-640 | XTM-640 |
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High resolution uncooled SWIR module |
High resolution uncooled LWIR module |
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| Meerkat Fusion | |
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True image fusion for vision enhancement in critical surveillance tasks |
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Download article: Night vision infrared cameras combine thermal and low-light-level images
