A
gas laser in which the
active species is an ion formed in the electric discharge. Most practically important lasers of
this type have continuous wave
(
CW) output. Examples are the argon ion, krypton ion and helium-cadmium (
HeCd) lasers.
Source:
PAC, 1995, 67, 1913
(Nomenclature, symbols, units, and their usage in spectrochemical analysis-XV. Laser-based
molecular spectroscopy for chemical analysis - laser fundamentals (IUPAC Recommendations
1995))
on page 1920