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  • 11
    Electronic Resource
    Electronic Resource
    Unidirectional saturation spectroscopy, II (1976)
    Springer
    Applied physics 11 (1976), S. 107-120 
    Details
    ISSN: 1432-0630
    Keywords: 32 ; 42.60
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Abstract The general probe absorption coefficient derived in Part I is specialized to homogeneous- and inhomogeneous-broadening limits and illustrated as the dipole lifetime is increased from 0 to values comparable to the level lifetimes. This progression reveals the relation between pulsation dips of the short-dipole lifetime limit and the dynamic Stark effect in general. Interpretations of the coherent interactions involved are given in terms of modulator and Raman effects and of dressed atoms. The single-probe unidirectional pulsation dip is shown to be a special case of the grating dip in which the fringe spacing becomes infinite. Analogies with three-level systems are given in which both two and three-level cases are seen to obey an “equal-area theorem”, and to involve level crossing. Some comparison is made with corresponding spectroscopy in which spontaneous emission provides the probe radiation.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00920589
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  • 12
    Electronic Resource
    Electronic Resource
    Unidirectional saturation spectroscopy, I theory and short dipole lifetime limit (1976)
    Springer
    Applied physics 11 (1976), S. 55-62 
    Details
    ISSN: 1432-0630
    Keywords: 32
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Abstract High-intensity multimode laser theory is used to derive the absorption coefficients for 1) a coherent light beam (probe) interacting with a possibly inhomogeneously broadened medium in the presence of an intense second corunning beam, and for 2) the sedibands of a weakly modulated light beam interacting with the medium. The general expressions are specialized to non-saturating probes and the short dipole-lifetime limit, yielding coherent pulsation-dip formulas. These are given for both homogeneous and inhomogeneous broadening and typically consist of simple power-broadened Lorentzians with widths equal to the smaller level-decay constant. The amplitude modulation case features pulsation dips twice as deep as the single-probe case, while the frequency modulation case exhibits no pulsation dip at all. Spectroscopic methods are discussed including the heterodyne advantage obtained with collinear light beams.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00895016
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    Paper (German National Licenses)
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