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Opt Lett. 1990 Jul 15;15(14):812-3. doi: 10.1364/ol.15.000812.

Cesium frequency standard for lasers at lambda = 1.06 microm.

Optics letters

K Wallmeroth, R Letterer

PMID: 19768087 DOI: 10.1364/ol.15.000812

Abstract

High-resolution spectra of the X(1)Sigma(+)(g)-A(1)Sigma(+)(u) band of molecular cesium at lambda = 1.06 microm have been measured. An absolute wave-number reference table for lasers emitting at lambda = 1.06 microm has been established. The cesium resonances are calibrated with respect to the well-known molecular-iodine absorption lines at lambda = 0.53 microm. An accuracy of 10(-7) has been achieved.

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