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Revista mexicana de física

versión impresa ISSN 0035-001X

Resumen

DE CARLOS LOPEZ, E.  y  LOPEZ ROMERO, J.M.. High resolution spectroscopy in gases and its application on the frequency stabilization of semiconductor lasers. Rev. mex. fis. [online]. 2004, vol.50, n.6, pp.569-578. ISSN 0035-001X.

The gas spectroscopy is a standard technique for frequency stabilization in semiconductor lasers. The Doppler effect is what exerts most influence on the linewidths of atomic spectrum increments. In the present work, the saturation spectroscopy, whose main characteristic is to cancel the undesirable consequences of this effect, is studied. Different techniques of dispersion-like signals generation are revised, and are used as error signals in the stabilization of semiconductor lasers. From a different point of view, these techniques are reviewed and being compared. Moreover, the experimental results of Cesium 133 spectroscopy made at Centro Nacional de Metrología, CENAM, are exhibited herein.

Palabras llave : Saturation spectroscopy; semiconductor laser stabilization.

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