Abstract
Having summarized in the previous chapter some basic characteristics of lasers and optical resonators, we shall now discuss those properties which make the laser such an interesting and useful light source in spectroscopy. We shall describe the experimental techniques that are necessary for achieving optimal results in spectroscopic applications. These techniques comprise mode selection in lasers, wavelength and intensity stabilization of single-mode lasers, and experimental realizations of controlled wavelength tuning. Furthermore we briefly discuss the interesting question of why a lower limit exists for the laser linewidth. At the end of this chapter some methods of relative and absolute frequency measurements in the optical region will be presented.
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Demtröder, W. (1981). Lasers as Spectroscopic Light Sources. In: Laser Spectroscopy. Springer Series in Chemical Physics, vol 5. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-662-08257-7_6
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DOI: https://doi.org/10.1007/978-3-662-08257-7_6
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