Abstract

High-resolution spectra of the $X^1{\Sigma }_g^{+}-A^1{\Sigma }_u^{+}$ band of molecular cesium at λ = 1.06 μm have been measured. An absolute wave-number reference table for lasers emitting at λ = 1.06 μm has been established. The cesium resonances are calibrated with respect to the well-known molecular-iodine absorption lines at λ = 0.53 μm. An accuracy of 10⁻⁷ has been achieved.

© 1990 Optical Society of America

Room-temperature 1.06–0.53-μm second-harmonic generation with MgO:LiNbO₃

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