Definitions for "Micrometers"
1/1,000,000 meter. Symbolized as: µm. This is the typical measurement for wavelength in electromagnetic radiation. Electromagnetic radiation is also measured in nanometers, nm, which is .001 of a micrometer. Nd:YAG wavelength is 1.064 µm and 1064 nm. Nanometers are also called an Angstroms (_).
A unit of length equal to one-millionth of a meter. It also is referred to as a micron.