A high-resolution time-of-flight mass spectrometer for the detection of ultracold molecules

A high-resolution time-of-flight mass spectrometer for the detection of ultracold molecules. Kraft, S. D., Mikosch, J., Staanum, P., Deiglmayr, J., Lange, J., Fioretti, A., Wester, R., & Weidemueller, M. Applied Physics B-Lasers and Optics, 89(4):453–457, December, 2007. WOS:000251425100005
doi abstract bibtex

We have realized a high-resolution time-of-flight mass spectrometer combined with a magneto-optical trap. The spectrometer enables excellent optical access to the trapped atomic cloud using specifically devised acceleration and deflection electrodes. The ions are extracted along a laser beam axis and deflected onto an off-axis detector. The setup is applied to detect atoms and molecules photoassociated from ultracold atoms. The detection is based on resonance-enhanced multi-photon ionization. Mass resolution up to m/Delta m(rms)=1000 at the mass of (133)Cs is achieved. The performance of this spectrometer is demonstrated in the detection of photoassociated ultracold (7)Li(133)Cs molecules near a large signal of (133)Cs ions.

@article{kraft_high-resolution_2007,
	title = {A high-resolution time-of-flight mass spectrometer for the detection of   ultracold molecules},
	volume = {89},
	issn = {0946-2171},
	doi = {10.1007/s00340-007-2855-8},
	abstract = {We have realized a high-resolution time-of-flight mass spectrometer   combined with a magneto-optical trap. The spectrometer enables excellent   optical access to the trapped atomic cloud using specifically devised   acceleration and deflection electrodes. The ions are extracted along a   laser beam axis and deflected onto an off-axis detector. The setup is   applied to detect atoms and molecules photoassociated from ultracold   atoms. The detection is based on resonance-enhanced multi-photon   ionization. Mass resolution up to m/Delta m(rms)=1000 at the mass of   (133)Cs is achieved. The performance of this spectrometer is   demonstrated in the detection of photoassociated ultracold (7)Li(133)Cs   molecules near a large signal of (133)Cs ions.},
	number = {4},
	journal = {Applied Physics B-Lasers and Optics},
	author = {Kraft, S. D. and Mikosch, J. and Staanum, P. and Deiglmayr, J. and Lange, J. and Fioretti, A. and Wester, R. and Weidemueller, M.},
	month = dec,
	year = {2007},
	note = {WOS:000251425100005},
	keywords = {Cold molecules},
	pages = {453--457},
}

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