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As public awareness of security grows, demands for surveillance cameras have risen; traditional infrared cameras no longer suffice, creating a need for a new, superior product. Thus, laser surveillance cameras emerged. However, given the dominant market share held by infrared cameras—combined with a lack of understanding regarding this new technology—there remains some resistance to its adoption. The advent of laser surveillance cameras...
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Optical Fog Penetration for Surveillance Standard visible light cannot penetrate clouds, fog, smoke, or dust, whereas near-infrared light is capable of passing through haze and particulate matter of certain densities. Optical fog penetration technology leverages the principle that near-infrared light can diffract around tiny particles to achieve accurate and rapid focusing. The technology relies primarily on the lens and optical filters, employing a physical approach...
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In terms of technical categories, night-vision surveillance technology can be classified into active infrared and passive infrared technologies. Consequently, night-vision surveillance products fall into two main categories: active night-vision products and passive night-vision products. Common examples of active night-vision products include standard infrared cameras and laser cameras, while passive night-vision products include low-light night-vision devices and infrared thermal imagers.
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Unlike ordinary PTZ cameras, high-altitude observation cameras are designed for precise, wide-area image monitoring from higher positions. They offer both wide-angle coverage and close-up shooting of specific targets. They can effectively capture details in large-scale, long-distance surveillance footage. In the event of emergencies such as traffic accidents, the location information of the event can be quickly obtained from the high-altitude observation camera.
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Laser night-vision technology has been available in China for nearly a decade. As a form of active infrared night-vision technology, it operates by optically diffusing a point-source laser beam to provide illumination at night; the wavelengths typically fall within the near-infrared range (808, 940, or 980 nm). The system utilizes a high-aperture night-vision lens to capture light reflected from the target for imaging, while a low-light CCD camera acquires and outputs the resulting images.
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As public awareness of security grows, demands for surveillance cameras have risen; standard infrared cameras no longer suffice, creating a need for a new, superior product. Laser surveillance cameras emerged to meet this need. Beijing Hepu Weishi Optoelectronic Technology Co., Ltd. offers laser cameras specifically designed for long-range, day-and-night surveillance, utilizing active infrared lasers as the illumination source.
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