Infrared up-conversion with resonantly two-photon pumped metal vapors
- 1 May 1974
- journal article
- research article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 24 (9), 427-428
- https://doi.org/10.1063/1.1655246
Abstract
We report efficient up‐conversion of low‐level ir radiation near 10 μ to the near ultraviolet. Radiation at 9.26 μ is converted to 3305 Å with a photon conversion efficiency of 58% and a corresponding power gain of 16.2. The process employs resonant two‐photon pumping of the nonallowed 3s‐3d transition in Na.Keywords
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