Picosecond pulse generation in the infrared by stimulated Raman scattering in atomic vapours |
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| Authors: | Richard Wyatt David Cotter |
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| Affiliation: | Max-Planck-Institut für biophysikalische Chemie, Abteilung Laserphysik, D-3400 Göttingen, Federal Republic of Germany |
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| Abstract: | We report the generation of high-power picosecond infrared pulses by stimulated electronic Raman scattering in an atomic vapour. Single 30 ps pulses at 532 nm were Raman-shifted in caesium vapour to produce 0.4 mJ pulses at 2.38 μm, with 20% quantum efficiency. This technique can be extended to cover a wide range of infrared wavelenghts by using various Raman transitions. |
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