The common evaporation coating materials have great dispersion and certain absorption in middle and long wave infrared region.
在中长波红外区域，通常使用的镀膜材料都存在相当大的色散和一定的吸收。
2
Microcomputcrs automatically control infrared grating monochrometer through interface circuit, and make a precise measurement of zero dispersion wave length for optical fibre material.
微机通过接口电路自动控制红外光栅单色仪，对光纤材料进行零色散波长的精确测量。
3
The theory of the dielectric dispersion of insulators is reviewed with special emphasis on the infrared and submillimeter-wave spectral regions.