Abstract
Radiation was generated between 1210 and 1230 Å by four-wave sum mixing in beryllium vapor where the 2s2 1S–2s3d 1D transition was two-photon resonant. Results indicate that beryllium will be an efficient nonlinear medium in this spectral region with improvements to the stability of the furnace to allow phase matching and operation at higher pressures.
© 1979 Optical Society of America
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