A continuous wave or pulsed
laser in which the excitation and
population inversion of the emitting species result from a chemical reaction. Typical examples are
HF
and
DF
lasers emitting many lines in the IR region.
Source:
PAC, 1996, 68, 2223
(Glossary of terms used in photochemistry (IUPAC Recommendations 1996))
on page 2232