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Automotive Night Vision Enhanced by Near-Infrared Technology

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Lasers help show the way even in difficult driving situations.

Jeffrey T. Remillard and Kenneth E. Nietering, Ford Scientific Research Laboratory; Michael A. Marinelli, Lear Corp.; and Sevugan Nagappan, Osram Opto Semiconductors Inc.

Driving becomes more difficult after sunset. Not only is visibility generally reduced, but an even more serious challenge on unlighted roads are the headlamps of approaching vehicles, which can dazzle a driver’s eyes. Night-vision systems can help drivers navigate in the dark, but to be of real help, they must be able to see both in the light and in the dark. They also must produce natural-looking images of the road, which is usually populated with animate and inanimate objects. Nighttime driving conditions are enhanced by an NIR laser-based vision system. The naked eye is blinded by the...Read full article

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    Published: October 2005
    Glossary
    electromagnetic spectrum
    The total range of wavelengths, extending from the shortest to the longest wavelength or conversely, that can be generated physically. This range of electromagnetic wavelengths extends practically from zero to infinity and includes the visible portion of the spectrum known as light.
    long-wave infrared
    Long-wave infrared (LWIR) refers to a specific range of the infrared spectrum. Infrared radiation is divided into three main categories based on wavelength: near-infrared (NIR), mid-wave infrared (MWIR), and long-wave infrared (LWIR). LWIR covers wavelengths typically ranging from about 8 to 15 micrometers (μm). Key points about LWIR: Wavelength range: LWIR corresponds to the longer wavelengths within the infrared spectrum, specifically in the range of 8 to 15 micrometers. These...
    electromagnetic spectrumFeaturesindustriallong-wave infrarednight-vision systemsSensors & Detectorsthermal camera

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