Journal of Applied Spectroscopy

Spectroscopic investigations of optically dense cesium vapor excited by light of resonance lines

Andrey N. Klyucharev, B. V. Dobrolezh

Published Nov 1, 1976• 0 citations

DOI: 10.1007/bf00609990

Related papers

Profile of the far wings of self-broadened resonance lines in the fluorescence spectrum of optically dense cesium and rubidium vapor

Andrey N. Klyucharev, A. V. Lazarenko, Mladen Movre

Optics and SpectroscopyNov 1, 19780 citations

Spin Polarization and Relaxation in Dense Cesium Vapor Optically-Pumped with Second Resonance Laser Light.

J. Pietras

Jan 1, 19800 citations

Absorption measurements in dense cesium vapor using a UV–violet light-emitting diode

Ticijana Ban, Hrvoje Skenderović, Sargis Ter-Avetisyan +1 more

Applied Physics BFeb 1, 200117 citations

Four-Wave Mixing at a Glass-Dense Cesium Vapor Interface Using Bichromatic Excitation

Vladimir A. Sautenkov, R. Gamidov

European Quantum Electronics Conference (EQEC)Jan 1, 19960 citations

Light narrowing of magnetic resonance lines in dense, optically pumped alkali-metal vapor

Natarajan D. Bhaskar, James C. Camparo, W. Happer +1 more

Physical Review AJun 1, 198153 citations

Numerical simulation of dense cesium vapor emission and absorption spectra

Berislav Horvatić, Robert Beuc, Mladen Movre

The European Physical Journal DApr 1, 20158 citations

Journal of Applied Spectroscopy

Spectroscopic investigations of optically dense cesium vapor excited by light of resonance lines

Andrey N. Klyucharev, B. V. Dobrolezh

Published Nov 1, 1976• 0 citations

Publisher

DOI: 10.1007/bf00609990

Related papers

Profile of the far wings of self-broadened resonance lines in the fluorescence spectrum of optically dense cesium and rubidium vapor

Andrey N. Klyucharev, A. V. Lazarenko, Mladen Movre

Optics and SpectroscopyNov 1, 19780 citations

Spin Polarization and Relaxation in Dense Cesium Vapor Optically-Pumped with Second Resonance Laser Light.

J. Pietras

Jan 1, 19800 citations

Absorption measurements in dense cesium vapor using a UV–violet light-emitting diode

Ticijana Ban, Hrvoje Skenderović, Sargis Ter-Avetisyan +1 more

Applied Physics BFeb 1, 200117 citations

Four-Wave Mixing at a Glass-Dense Cesium Vapor Interface Using Bichromatic Excitation

Vladimir A. Sautenkov, R. Gamidov

European Quantum Electronics Conference (EQEC)Jan 1, 19960 citations

Light narrowing of magnetic resonance lines in dense, optically pumped alkali-metal vapor

Natarajan D. Bhaskar, James C. Camparo, W. Happer +1 more

A new and unusual phenomenon which we call light narrowing is reported and discussed in this paper. We discovered this effect in dense, spin-polarized cesium vapor optically pumped with a cw blue dye laser beam tuned to the second resonance ${D}_{1}$ line (4593 \AA{}). We observe a significant narrowing of the radio-frequency power-broadened magnetic resonance lines (linewidths narrow by as much as a factor of 2.5) when the intensity of the circularly polarized incident dye laser beam is increased by either focusing the beam or by the removal of attenuating filters from the focused beam. The magnetic resonance linewidths in spin-polarized cesium vapor were measured over a wide range of cesium number densities (5\ifmmode\times\else\texttimes\fi{} ${10}^{12}$ ${\mathrm{cm}}^{\ensuremath{-}3}$ \ensuremath{\le}[Cs]\ensuremath{\le}1\ifmmode\times\else\texttimes\fi{} ${10}^{16}$ ${\mathrm{cm}}^{\ensuremath{-}3}$). This corresponds to cesium spinexchange rates of 4.5\ifmmode\times\else\texttimes\fi{} ${10}^{3}$ to 9\ifmmode\times\else\texttimes\fi{} ${10}^{6}$ ${\mathrm{sec}}^{\ensuremath{-}1}$. For low cesium number densities (5\ifmmode\times\else\texttimes\fi{} ${10}^{12}$ [Cs]3\ifmmode\times\else\texttimes\fi{} ${10}^{14}$ ${\mathrm{cm}}^{\ensuremath{-}3}$) the light-narrowing effect is large (a factor of 2.5) and independent of [Cs]. In the region of 3\ifmmode\times\else\texttimes\fi{} ${10}^{14}$ to 1\ifmmode\times\else\texttimes\fi{} ${10}^{15}$ ${\mathrm{cm}}^{\ensuremath{-}3}$ in number densities, the light-narrowing effect decreases with increasing [Cs]. At high cesium number densities ([Cs]> 1\ifmmode\times\else\texttimes\fi{} ${10}^{15}$ ${\mathrm{cm}}^{\ensuremath{-}3}$) this light-narrowing effect almost completely disappears. In the limit of low-radio-frequency power the magnetic resonance linewidths for focused and unfocused dye laser beam are nearly the same. Experimental observations on this new effect are presented in detail. In the latter part of this paper a self-contained theoretical treatment of the light-narrowing effect is developed. Using Bloch equations in the presence of optical pumping, spin relaxation (diffusion, electron randomization), rapid spin exchange, and radio-frequency magnetic field, expressions for magnetic resonance line shapes are derived. In general, we find good agreement between our experimental results and the theory.A new and unusual phenomenon which we call light narrowing is reported and discussed in this paper. We discovered this effect in dense, spin-polarized cesium vapor optically pumped with a cw blue dye laser beam tuned to the second resonance ${D}_{1}$ line (4593 \AA{}). We observe a significant narrowing of the radio-frequency power-broadened magnetic resonance lines (linewidths narrow by as much as a factor of 2.5) when the intensity of the circularly polarized incident dye laser beam is increased by either focusing the beam or by the removal of attenuating filters from the focused beam. The magnetic resonance linewidths in spin-polarized cesium vapor were measured over a wide range of cesium number densities (5\ifmmode\times\else\texttimes\fi{}${10}^{12}$ ${\mathrm{cm}}^{\ensuremath{-}3}$ \ensuremath{\le}[Cs]\ensuremath{\le}1\ifmmode\times\else\texttimes\fi{}${10}^{16}$ ${\mathrm{cm}}^{\ensuremath{-}3}$). This corresponds to cesium spinexchange rates of 4.5\ifmmode\times\else\texttimes\fi{}${10}^{3}$ to 9\ifmmode\times\else\texttimes\fi{}${10}^{6}$ ${\mathrm{sec}}^{\ensuremath{-}1}$. For low cesium number densities (5\ifmmode\times\else\texttimes\fi{}${10}^{12}$ [Cs]3\ifmmode\times\else\texttimes\fi{}${10}^{14}$ ${\mathrm{cm}}^{\ensuremath{-}3}$) the light-narrowing effect is large (a factor of 2.5) and independent of [Cs]. In the region of 3\ifmmode\times\else\texttimes\fi{}${10}^{14}$ to 1\ifmmode\times\else\texttimes\fi{}${10}^{15}$ ${\mathrm{cm}}^{\ensuremath{-}3}$ in number densities, the light-narrowing effect decreases with increasing [Cs]. At high cesium number densities ([Cs]> 1\ifmmode\times\else\texttimes\fi{}${10}^{15}$ ${\mathrm{cm}}^{\ensuremath{-}3}$) this light-narrowing effect almost completely disappears. In the limit of low-radio-frequency power the magnetic resonance linewidths for focused and unfocused dye laser beam are nearly the same. Experimental observations on this new effect are presented in detail. In the latter part of this paper a self-contained theoretical treatment of the light-narrowing effect is developed. Using Bloch equations in the presence of optical pumping, spin relaxation (diffusion, electron randomization), rapid spin exchange, and radio-frequency magnetic field, expressions for magnetic resonance line shapes are derived. In general, we find good agreement between our experimental results and the theory.

Physical Review AJun 1, 198153 citations

Numerical simulation of dense cesium vapor emission and absorption spectra

Berislav Horvatić, Robert Beuc, Mladen Movre

The European Physical Journal DApr 1, 20158 citations

{D}_{1}

line (4593 \AA{}). We observe a significant narrowing of the radio-frequency power-broadened magnetic resonance lines (linewidths narrow by as much as a factor of 2.5) when the intensity of the circularly polarized incident dye laser beam is increased by either focusing the beam or by the removal of attenuating filters from the focused beam. The magnetic resonance linewidths in spin-polarized cesium vapor were measured over a wide range of cesium number densities (5\ifmmode\times\else\texttimes\fi{}

{10}^{12}

${\mathrm{cm}}^{\ensuremath{-}3}$ \ensuremath{\le}[Cs]\ensuremath{\le}1\ifmmode\times\else\texttimes\fi{}

{10}^{16}

${\mathrm{cm}}^{\ensuremath{-}3}$). This corresponds to cesium spinexchange rates of 4.5\ifmmode\times\else\texttimes\fi{}

{10}^{3}

to 9\ifmmode\times\else\texttimes\fi{}

{10}^{6}

${\mathrm{sec}}^{\ensuremath{-}1}$. For low cesium number densities (5\ifmmode\times\else\texttimes\fi{}

{10}^{12}

[Cs]3\ifmmode\times\else\texttimes\fi{}

{10}^{14}

${\mathrm{cm}}^{\ensuremath{-}3}$) the light-narrowing effect is large (a factor of 2.5) and independent of [Cs]. In the region of 3\ifmmode\times\else\texttimes\fi{}

{10}^{14}

to 1\ifmmode\times\else\texttimes\fi{}

{10}^{15}

${\mathrm{cm}}^{\ensuremath{-}3}$ in number densities, the light-narrowing effect decreases with increasing [Cs]. At high cesium number densities ([Cs]> 1\ifmmode\times\else\texttimes\fi{}

{10}^{15}

${\mathrm{cm}}^{\ensuremath{-}3}$) this light-narrowing effect almost completely disappears. In the limit of low-radio-frequency power the magnetic resonance linewidths for focused and unfocused dye laser beam are nearly the same. Experimental observations on this new effect are presented in detail. In the latter part of this paper a self-contained theoretical treatment of the light-narrowing effect is developed. Using Bloch equations in the presence of optical pumping, spin relaxation (diffusion, electron randomization), rapid spin exchange, and radio-frequency magnetic field, expressions for magnetic resonance line shapes are derived. In general, we find good agreement between our experimental results and the theory.