Saturated spectroscopy is the method by which the exact energy of the hyperfine transitions within an atom can be found. When a monochromatic light is shone through an atom, the absorption cross-section is broadened due to Doppler broadening. Saturated spectroscopy allows the doppler broadened peak to be resolved so that the exact transitions can be found.
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| - Dopplerfreie Sättigungsspektroskopie (de)
- Saturated spectroscopy (en)
- Espectroscopia de saturação (pt)
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| - Die Dopplerfreie Sättigungsspektroskopie, oft auch kurz Sättigungsspektroskopie, ist in der Laserspektroskopie ein hochauflösendes spektroskopisches Verfahren zur Untersuchung atomarer Spektren, bei dem durch geeigneten Versuchsaufbau die Effekte der Dopplerverbreiterung vermieden werden. Das Verfahren ermöglicht, Effekte wie die Hyperfeinstruktur und die natürliche Linienbreite atomarer Spektren zu vermessen. (de)
- Espectroscopia de saturação é um técnica de espectroscopia de laser que possibilita a observação das transições hiperfinas de um átomo com grande precisão. Ela foi desenvolvida por , Arthur Schawlow e Willis Eugene Lamb. Quando uma luz monocromática irradia sobre um átomo, o espectro do mesmo é alargado pelo efeito Doppler. As transições hiperfinas são então mascaradas à temperatura ambiente. Esse efeito é chamado alargamento Doppler e a espectroscopia de saturação é uma forma de contorná-lo sem a necessidade de resfriar a amostra. (pt)
- Saturated spectroscopy is the method by which the exact energy of the hyperfine transitions within an atom can be found. When a monochromatic light is shone through an atom, the absorption cross-section is broadened due to Doppler broadening. Saturated spectroscopy allows the doppler broadened peak to be resolved so that the exact transitions can be found. (en)
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| - Die Dopplerfreie Sättigungsspektroskopie, oft auch kurz Sättigungsspektroskopie, ist in der Laserspektroskopie ein hochauflösendes spektroskopisches Verfahren zur Untersuchung atomarer Spektren, bei dem durch geeigneten Versuchsaufbau die Effekte der Dopplerverbreiterung vermieden werden. Das Verfahren ermöglicht, Effekte wie die Hyperfeinstruktur und die natürliche Linienbreite atomarer Spektren zu vermessen. (de)
- Saturated spectroscopy is the method by which the exact energy of the hyperfine transitions within an atom can be found. When a monochromatic light is shone through an atom, the absorption cross-section is broadened due to Doppler broadening. Saturated spectroscopy allows the doppler broadened peak to be resolved so that the exact transitions can be found. More than a decade after the first demonstration of spectral hole burning (or Lamb dip, a result of saturated absorption process) inside HeNe laser cavity at 1.1 μm in 1962, the greater majority of SA spectroscopy research was carried out with gas lasers and molecules in the mid-infrared. But because SA requires high laser intensity, and the gas molecules usually have widely spread strong absorption spectra only in the mid-IR, while compact widely tunable mid-IR lasers were slow to develop, the SA technique has not been widely used for molecular chemical analysis besides precision metrology, which only been limited to the isolated wavelengths of HeNe and CO2 lasers and limited number of molecules. (en)
- Espectroscopia de saturação é um técnica de espectroscopia de laser que possibilita a observação das transições hiperfinas de um átomo com grande precisão. Ela foi desenvolvida por , Arthur Schawlow e Willis Eugene Lamb. Quando uma luz monocromática irradia sobre um átomo, o espectro do mesmo é alargado pelo efeito Doppler. As transições hiperfinas são então mascaradas à temperatura ambiente. Esse efeito é chamado alargamento Doppler e a espectroscopia de saturação é uma forma de contorná-lo sem a necessidade de resfriar a amostra. (pt)
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