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Isotope Selective Optical Pumping of Thallium Atoms in a Vapor Cell

Kwang-Hoon Ko, Do-Young Jeong, Hyunmin Park +3 more

Journal of the Korean Physical SocietyJul 14, 20074 citations

Calculation of optical pumping in an atomic beam

A. Besedina, Gennadij I. Khvostenko, М. П. Чайка

Optics and SpectroscopyMay 1, 19780 citations

Isotope-selective laser excitation and field ionization of thenF5/2Rydberg states in a thallium beam

Petr A. Bokhan, Nikolai V. Fateev, V A Kim +1 more

The effective isotope-selective excitation and field ionization of the 16F5/2 thallium Rydberg states have been studied experimentally. The 16F5/2 states were excited by the two-step scheme 6P1/2→6D3/2→nF5/2 in a dense collimated atomic beam by means of monochromatic radiation from two frequency tunable lasers (λ1 = 276.9 nm, λ2 = 773–808 nm) with a mean power density of more than 1 W.The largest selectivity of excitation in this scheme takes place in the first step 6P1/2→6D3/2. The experiments showed that the main reason for the limiting selectivity excitation of the Rydberg states is the field broadening of the absorption resonances at the first and second steps of the excitation scheme. The excitation efficiency of this scheme is considerably governed by the parameters of the laser radiation at the second step and an electric field pulse.The effective isotope-selective excitation and field ionization of the 16F5/2 thallium Rydberg states have been studied experimentally. The 16F5/2 states were excited by the two-step scheme 6P1/2→6D3/2→nF5/2 in a dense collimated atomic beam by means of monochromatic radiation from two frequency tunable lasers (λ1 = 276.9 nm, λ2 = 773–808 nm) with a mean power density of more than 1 W.The largest selectivity of excitation in this scheme takes place in the first step 6P1/2→6D3/2. The experiments showed that the main reason for the limiting selectivity excitation of the Rydberg states is the field broadening of the absorption resonances at the first and second steps of the excitation scheme. The excitation efficiency of this scheme is considerably governed by the parameters of the laser radiation at the second step and an electric field pulse.

Laser PhysicsApr 16, 20131 citation

Measurement of hyperfine structures and isotope shifts of the thallium 6/sup 2/P/sub 1/2/-7/sup 2/D/sub 3/2,5/2/ levels by using the saturated and linear absorption spectroscopy with velocity selective optical pumping

Kwang-Hoon Ko, Sang Eon Park, Do-Young Jeong +4 more

The linear and saturated absorption spectroscopy was performed for the 6/sup 2/P/sub 1/2/-7/sup 2/D/sub 3/2,5/2/ transition lines of /sup 203,205/Tl isotopes. The dependences of the cross-over and the isotope signals in saturated absorption spectra were measured and analyzed on the optical pumping power. The hyperfine splittings and isotope shifts of the 7/sup 2/D/sub 3/2,5/2/ levels of Tl atoms were also measured.

Jun 21, 20040 citations

Optical Pumping Investigation of Atomic Interactions

R. A. Zhitnikov

Springer eBooksJan 1, 19790 citations

Resonant isotopic depletion spectroscopy

G. R. Janik, Bruce A. Bushaw, Bret D. Cannon

We have devised a simple new scheme to increase the isotopic selectivity in optical rare-isotope detection experiments. We can effectively remove interfering isotopes from an atomic beam by optically pumping them into a state that is invisible to the optical detection system. The selectivity of this resonant depletion scales exponentially with the isotope shift and yields almost unlimited selectivity in principle. We have demonstrated a selectivity of 2.3 x 10(5) with a single laser excitation in a beam of metastable krypton atoms. With better laser stability we may be able to improve the selectivity much further.We have devised a simple new scheme to increase the isotopic selectivity in optical rare-isotope detection experiments. We can effectively remove interfering isotopes from an atomic beam by optically pumping them into a state that is invisible to the optical detection system. The selectivity of this resonant depletion scales exponentially with the isotope shift and yields almost unlimited selectivity in principle. We have demonstrated a selectivity of 2.3 x 10(5) with a single laser excitation in a beam of metastable krypton atoms. With better laser stability we may be able to improve the selectivity much further.

Optics LettersJan 15, 19898 citations

Isotope Selective Optical Pumping in a Dense Thallium Atomic Beam

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