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Infrared technology targets industrial automation

机译：红外技术瞄准工业自动化

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English astronomer Sir William Hershel is credited with the discovery of infrared (IR) radiation in 1800. In his first experiment, Hershel subjected a liquid in a glass thermometer to different colors of the spectrum. Finding that the hottest temperature was beyond red light, Hershel christened his newly found energy "calorific rays," now known as infrared radiation. Two centuries later, IR imagers and cameras are finding uses in applications from missile guidance tracking to plant monitoring to machine-vision automation systems. Invisible to the human eye, IR energy can be divided into the three spectral regions: near-, mid-, and far-IR, with wavelengths longer than that of visible light. Although the boundaries between these are undetermined, the wavelength ranges are approximately 0.7 to 5 um (near-IR), 5 to 40 μm (mid-IR), and 40 to 350 μm (far-IR).
机译：英国天文学家威廉·赫塞尔爵士（Sir William Hershel）于1800年发现了红外（IR）辐射。在他的第一个实验中，赫塞尔对玻璃温度计中的液体施加了不同光谱的颜色。 Hershel发现最热的温度超过了红光，将他新发现的能量“热量射线”命名为“热量射线”，现在称为红外辐射。两个世纪后，红外成像仪和摄像机在从导弹制导跟踪到工厂监控再到机器视觉自动化系统的应用中得到了应用。人眼不可见，红外能量可以分为三个光谱区域：近红外，中红外和远红外，其波长比可见光的波长长。尽管它们之间的边界不确定，但波长范围约为0.7至5 um（近红外），5至40μm（中红外）和40至350μm（远红外）。

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