Challenges
Datasets
Workspaces
Papers
Discussions
Leaderboard
Log inSign up
Challenges
Datasets
Workspaces
Papers
Discussions
Leaderboard
Blog
Job Board
Q3AS

© 2026 Aqora Quantum S.A.S.

TermsPrivacyLegal Notice

Journal of Applied Spectroscopy

Distinctive features of the absorption of resonant optical radiation in a spectral line

M. B. Gornyi, D. L. Markman, Boris G. Matisov

Published Jan 1, 1984• 0 citations
Publisher
DOI
10.1007/bf00661302

Related papers

Radiation transfer in a spectral line in a nonlinear absorption medium

M. B. Gornyi, D. L. Markman, Boris G. Matisov

Optics and Spectroscopy•Jul 1, 1983•2 citations

Absorption of resonance radiation and fluorescence of a layer of an atomic gas with thickness of the order of a wavelength

G. Nikogosyan, David G. Sarkisyan, Yu. P. Malakyan

The features of resonance fluorescence and absorption of resonance laser radiation in atomic vapors in a superthin cell with thickness L of the order of a wavelength lambda are investigated theoretically. Taking into account the Fabry-Perot interference effect, it is found that the dependence of the fluorescence and absorption spectra on the ratio L/lambda is substantially different. Coherent spectral narrowing - the Dicke effect - when L=(2n+1)lambda/2 and broadening of the spectral line when L = n lambda (n is a whole number) are observed in the absorption spectra. This effect is absent in the spector of resonance fluorescence in extended media. It is also shown that the processes of saturation and optical pumping significantly alter the spectral line shape as the laser intensity increases; in particular, additional sub-Doppler dips appear at the frequency of the atomic transitions. Calculated curves are given for the D2 lines of ^85Rb atoms. © 2004 Optical Society of America

Journal of Optical Technology•Sep 1, 2004•19 citations

Transfer of resonance radiation in a narrow spectral line

B. A. Veklenko, Ganna Tkachuk

Optics and Spectroscopy•Jun 1, 1975•2 citations

Doppler-free satellites of resonances of electromagnetically induced transparency and absorption on the D 2 lines of alkali metals

Armen D. Sargsyan, David G. Sarkisyan, David Staedter +1 more

The peculiarities of intra-Doppler structures that are observed in the atomic absorption spectrum of alkali metals with the help of two independent lasers have been studied. These structures accompany ultranarrow coherent resonances of electromagnetically induced transparency and absorption. With the D 2 line of rubidium taken as an example, it is shown that, in the scheme of unidirectional waves, the maximum number of satellite resonances caused by optical pumping selective with respect to the atomic velocity is equal to seven, while only six resonances are observed in the traditional scheme of saturated absorption with counterpropagating waves of the same frequency. The spectral position of the resonances and their polarity depend on the frequency of the saturating radiation, while their number and relative amplitude depend also on the experimental geometry. These features are of general character and should show themselves in the absorption spectrum on the D 2 lines of all alkali metals. An explanation of these features is given. The calculated spectral separations between the resonances are compared to the experimental ones, and their possible application is discussed.

Optics and Spectroscopy•Nov 1, 2006•18 citations

Changes in the refractive index of a molecular gas in the field of resonant radiation when spectral lines overlap

Alexander M. Starik, O. V. Taranov

An analysis is made of the characteristic features of changes in the refractive index of a molecular gas in the field of resonant radiation when spectral lines overlap. It is shown that, in contrast to absorption in an isolated line, an increase in the gas pressure can alter not only the magnitude but also the sign of the changes in the refractive index.

Quantum Electronics•Jun 30, 1997•4 citations

Induced Absorption Spectra at Optical Frequencies

A. K. Macquillan, Boris Peter Stoicheff

•Jan 1, 1966•0 citations
The features of resonance fluorescence and absorption of resonance laser radiation in atomic vapors in a superthin cell with thickness L of the order of a wavelength lambda are investigated theoretically. Taking into account the Fabry-Perot interference effect, it is found that the dependence of the fluorescence and absorption spectra on the ratio L/lambda is substantially different. Coherent spectral narrowing - the Dicke effect - when L=(2n+1)lambda/2 and broadening of the spectral line when L = n lambda (n is a whole number) are observed in the absorption spectra. This effect is absent in the spector of resonance fluorescence in extended media. It is also shown that the processes of saturation and optical pumping significantly alter the spectral line shape as the laser intensity increases; in particular, additional sub-Doppler dips appear at the frequency of the atomic transitions. Calculated curves are given for the D2 lines of ^85Rb atoms. © 2004 Optical Society of America
The peculiarities of intra-Doppler structures that are observed in the atomic absorption spectrum of alkali metals with the help of two independent lasers have been studied. These structures accompany ultranarrow coherent resonances of electromagnetically induced transparency and absorption. With the D 2 line of rubidium taken as an example, it is shown that, in the scheme of unidirectional waves, the maximum number of satellite resonances caused by optical pumping selective with respect to the atomic velocity is equal to seven, while only six resonances are observed in the traditional scheme of saturated absorption with counterpropagating waves of the same frequency. The spectral position of the resonances and their polarity depend on the frequency of the saturating radiation, while their number and relative amplitude depend also on the experimental geometry. These features are of general character and should show themselves in the absorption spectrum on the D 2 lines of all alkali metals. An explanation of these features is given. The calculated spectral separations between the resonances are compared to the experimental ones, and their possible application is discussed.