测量光源的光谱性能时,首先要有标准光源。在可见光及其附近,可以用钨灯泡作稳定而简便的标准光源。而在红外区域,原来没有这种光源,因此都采用黑体炉。红外区域使用的黑体炉温度也不必比可见的高,市场上有各种样式的产品,因为制造简单,所 When measuring the spectral performance of a light source, first of all have a standard light source. In the visible light and its vicinity, you can use tungsten bulbs as a stable and easy standard light source. In the infrared region, there is no such light source, so use black body furnace. Blackbody furnace temperature used in the infrared region need not be higher than visible, there are various styles of products on the market because of the simplicity of manufacture