NEW cw METAL-VAPOR LASER TRANSITIONS IN Cd, Sn, AND Zn
- 1 July 1969
- journal article
- research article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 15 (1) , 23-25
- https://doi.org/10.1063/1.1652828
Abstract
Cw laser action has been observed at 3250 Å in Cd II, 6453 and 6844 Å in Sn II, and 7479 and 7588 Å in Zn II. Laser action occurred in He‐metal‐vapor discharges at pressures of several Torr He and much lower partial pressures of the metal vapor. The first four transitions have similar operating characteristics and are believed to be excited by Penning collisions between metastable He atoms and neutral metal‐vapor atoms (similar to the mechanism for exciting the 4416 Å cw transition in Cd II). The 3250 Å transition is the first cw uv laser that can be built and operated with relatively simple techniques, similar to those used in He–Ne lasers.Keywords
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