Gain Measurements in CO2 Isotope Lasers

Abstract
Measurements of the relative gain and loss were made in CO2 isotope lasers on the transitions terminating in the mixed states [10°0, 02°0]I and [10°0, 02°0]II. Agreement was found with the calculated relative gain for 12C16O2, 13C16O2, and 12C18O2.