Optical and Discharge Studies of Novel Electronic Transition Laser Species
COLORADO UNIV AT BOULDER
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A program has been developed to use spectroscopic insight and laboratory experiments to identify potentially important new laser candidates. An innovative series of visible and ultraviolet lasers on high temperature diatomic molecules has been discovered. To date both S2 and Te2 have been demonstrated to lase by optical pumping. Because of unique features of the diatomic molecular states, these molecules have potential to make highly efficient laser devices for DoD applications. A series of wavelength tunable photolysis experiments have been carried out on the gas phase molecule HgI2. In these experiments the quantum yield of excited I2P12 atoms is determined to be unity at the peak of the first long wavelength absorption band. HgI2 might make an interesting new source of I for the 1.315 micrometers I laser, since the photolysis products rapidly recombine in a completely reversible way to produce the parent molecule.
- Lasers and Masers