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Optical Pumping of Trapped Neutral Molecules by Blackbody Radiation

MPG-Autoren
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Hoekstra,  Steven
Molecular Physics, Fritz Haber Institute, Max Planck Society;

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Gilijamse,  Joop
Molecular Physics, Fritz Haber Institute, Max Planck Society;

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Sartakov,  Boris
Molecular Physics, Fritz Haber Institute, Max Planck Society;

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Vanhaecke,  Nicolas
Molecular Physics, Fritz Haber Institute, Max Planck Society;

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Scharfenberg,  Ludwig
Molecular Physics, Fritz Haber Institute, Max Planck Society;

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Meerakker,  Sebastiaan Y. T. van de
Molecular Physics, Fritz Haber Institute, Max Planck Society;

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Meijer,  Gerard
Molecular Physics, Fritz Haber Institute, Max Planck Society;

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Zitation

Hoekstra, S., Gilijamse, J., Sartakov, B., Vanhaecke, N., Scharfenberg, L., Meerakker, S. Y. T. v. d., et al. (2007). Optical Pumping of Trapped Neutral Molecules by Blackbody Radiation. Physical Review Letters, 98: 133001. doi:10.1103/PhysRevLett.98.133001.


Zitierlink: https://hdl.handle.net/11858/00-001M-0000-0011-0137-3
Zusammenfassung
Optical pumping by blackbody radiation is a feature shared by all polar molecules and fundamentally limits the time that these molecules can be kept in a single quantum state in a trap. To demonstrate and quantify this, we have monitored the optical pumping of electrostatically trapped OH and OD radicals by room-temperature blackbody radiation. Transfer of these molecules to rotationally excited states by blackbody radiation at 295 K limits the 1/e trapping time for OH and OD in the X₂Π3/2, ν''=0, J''=3/2(f) state to 2.8 and 7.1 s, respectively.