B. Petek, E.A. Giess, et al.
Journal of Applied Physics
Paper
Tunable coherent vacuum-ultraviolet generation in atomic vapors
Abstract
Two tunable dye lasers have been used to generate coherent radiation at a tunable sum frequency in the vacuum-ultraviolet spectral region. Spectral ranges of 3500 cm-1 around 1895 and 1200 cm-1 around 1798 have been covered. These ranges may easily be extended. Large (×104) enhancements of 21+2 sum mixing are seen when 21 is tuned to a double-quantum allowed transition from the ground state in Sr vapor. © 1974 The American Physical Society.
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