Observation of Light-Induced Drift Effect of Rubidium by Using Two Diode Lasers for Pumping and Re-Pumping

Okamoto, Masaya; Nakamura, Takahiro; Sato, Shunichi

doi:10.2320/matertrans.mra2008193

Cited by 4 publications

(2 citation statements)

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“…It can be seen that the ratio of / and / is also near 8, in accordance with Eqs. (18) and (20), which predict a dependence on the capillary diameter d. This result can be considered a check on the agreement between the theory and the experiment.…”

Section: Resultsmentioning

confidence: 56%

“…The major technical difficulty in many resonance cell experiments, such as cooling and trapping short lived radioactive isotopes using a magneto optical trap (MOT) [1][2][3][4][5][6][7][8][9][10] or experiments on light induced drift (LID) [11][12][13][14][15][16][17][18][19], lies in the atomic vapor interaction with the inner wall of the resonance cell.…”

Section: Introductionmentioning

confidence: 99%

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Accurate measurement of the sticking time and sticking probability of Rb atoms on a polydimethylsiloxane coating

Atutov

Plekhanov

2015

J. Exp. Theor. Phys.

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We present the results of a systematic study of Knudsen's flow of Rb atoms in cylindrical capillary cells coated with a polydimethylsiloxane (PDMS) compound. The purpose of the investigation is to deter mine the characterization of the coating in terms of the sticking probability and sticking time of Rb on the two types of coating of high and medium viscosities. We report the measurement of the sticking probability of a Rb atom to the coating equal to 4.3 × 10 -5 , which corresponds to the number of bounces 2.3 × 10 4 at room temperature. These parameters are the same for the two kinds of PDMS used. We find that at room temper ature, the respective sticking times for high viscosity and medium viscosity PDMS are 22 ± 3 μs and 49 ± 6 μs. These sticking times are about million times larger than the sticking time derived from the surface Rb atom adsorption energy and temperature of the coating. A tentative explanation of this surprising result is pro posed based on the bulk diffusion of the atoms that collide with the surface and penetrate inside the coating. The results can be important in many resonance cell experiments, such as the efficient magnetooptical trap ping of rare elements or radioactive isotopes and in experiments on the light induced drift effect.

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Section: Resultsmentioning

confidence: 56%

Section: Introductionmentioning

confidence: 99%

Accurate measurement of the sticking time and sticking probability of Rb atoms on a polydimethylsiloxane coating

Atutov

Plekhanov

2015

J. Exp. Theor. Phys.

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Numerical analysis of highly efficient laser-based method of radioactive Cs isotope separation utilizing light-induced drift in D₁ and D₂ transitions in rare gases

Yuki

Kobayashi

Matsuoka

2017

Journal of Nuclear Science and Technology

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Collision of atoms with porous polymer surface: evidence of influence of bulk diffusion on anomalously long dwell time of Rb atoms

2015

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Observation of Light-Induced Drift Effect of Rubidium by Using Two Diode Lasers for Pumping and Re-Pumping

Abstract: The light-induced drift (LID) of rubidium was demonstrated by using two diode lasers for the pumping and re-pumping of rubidium atoms. The isotope composition ratio for 85 Rb and 87 Rb was estimated by measuring the absorption spectrum of the rubidium vapor.

Cited by 4 publications

References 12 publications

Accurate measurement of the sticking time and sticking probability of Rb atoms on a polydimethylsiloxane coating

Accurate measurement of the sticking time and sticking probability of Rb atoms on a polydimethylsiloxane coating

Numerical analysis of highly efficient laser-based method of radioactive Cs isotope separation utilizing light-induced drift in D₁ and D₂ transitions in rare gases

Collision of atoms with porous polymer surface: evidence of influence of bulk diffusion on anomalously long dwell time of Rb atoms

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Observation of Light-Induced Drift Effect of Rubidium by Using Two Diode Lasers for Pumping and Re-Pumping

Abstract: The light-induced drift (LID) of rubidium was demonstrated by using two diode lasers for the pumping and re-pumping of rubidium atoms. The isotope composition ratio for 85 Rb and 87 Rb was estimated by measuring the absorption spectrum of the rubidium vapor.

Cited by 4 publications

References 12 publications

Accurate measurement of the sticking time and sticking probability of Rb atoms on a polydimethylsiloxane coating

Accurate measurement of the sticking time and sticking probability of Rb atoms on a polydimethylsiloxane coating

Numerical analysis of highly efficient laser-based method of radioactive Cs isotope separation utilizing light-induced drift in D1 and D2 transitions in rare gases

Collision of atoms with porous polymer surface: evidence of influence of bulk diffusion on anomalously long dwell time of Rb atoms

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Numerical analysis of highly efficient laser-based method of radioactive Cs isotope separation utilizing light-induced drift in D₁ and D₂ transitions in rare gases