Efficient ir image up-conversion in two-photon resonantly pumped Cs vapor
- 15 November 1976
- journal article
- conference paper
- Published by AIP Publishing in Applied Physics Letters
- Vol. 29 (10) , 669-670
- https://doi.org/10.1063/1.88895
Abstract
Resonant two‐photon pumping in the Cs 6s2S‐7s2S transition has been used for 2.9 μm to 4550 Å image up‐conversion. A power conversion efficiency of 20% with 1000 resolvable spots was achieved using a pump power of 8 kW. The pumping laser, Nd : lanthanum berylate, has a natural two‐photon coincidence with the Cs 6s2S‐7s2S transition.Keywords
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