MEASUREMENT OF THE LOWER-LEVEL POPULATION OF THE ARGON ION LASER USING LASER-INDUCED POPULATION CHANGES
- 15 August 1970
- journal article
- research article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 17 (4) , 161-164
- https://doi.org/10.1063/1.1653348
Abstract
A method is described for determining the inversion ratio on a laser transition from measurements of laser‐induced changes in the upper level population. This method is used to determine the lower‐level population of the 4880‐Å transition in the argon ion laser as a function of tube current, axial magnetic field, and fill pressure.Keywords
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