Infrared laser emission in two-photon pumped sodium vapour |
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Institution: | (1) Institut für Molekülphysik, Freie Universit?t, D-1000 Berlin 33, Fed. Rep. Germany |
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Abstract: | We report infrared laser emission in the region of 3 to 5 μm from sodium vapour optically pumped by a pulsed dye laser with
wavelengths ranging from 585 to 610nm. Twophoton excitation processes are believed to be responsible for the primary excitation.
Both molecular transitions (4 to 5 μm) between high lying states, and atomic transitions (52
S
1/2−42
P
3/2,1/2 at 3.41 μm) have been identified. |
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Keywords: | 42 55 33 80 |
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