Výsledky vyhledávání - "Gilijamse, Joop J."

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Loading Stark-decelerated molecules into electrostatic quadrupole traps

Autor: Gilijamse, Joop J., Hoekstra, Steven, Vanhaecke, Nicolas, van de Meerakker, Sebastiaan Y. T., Meijer, Gerard

Publikováno v: Eur. Phys. J. D 57, 33 (2010)

Beams of neutral polar molecules in a low-field seeking quantum state can be slowed down using a Stark decelerator, and can subsequently be loaded and confined in electrostatic quadrupole traps. The efficiency of the trap loading process is determine

Externí odkaz: http://arxiv.org/abs/0911.0617

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Reflection of OH molecules from magnetic mirrors

Autor: Metsala, Markus, Gilijamse, Joop J., Hoekstra, Steven, van de Meerakker, Sebastiaan Y. T., Meijer, Gerard

Publikováno v: New Journal of Physics 10 (2008) 053018

We have reflected a Stark-decelerated beam of OH molecules under normal incidence from mirrors consisting of permanent magnets. Two different types of magnetic mirrors have been demonstrated. A long-range flat mirror made from a large disc magnet has

Externí odkaz: http://arxiv.org/abs/0802.2902

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The radiative lifetime of metastable CO ($a^3\Pi, v=0$)

Autor: Gilijamse, Joop J., Hoekstra, Steven, Meek, Samuel A., Metsala, Markus, van de Meerakker, Sebastiaan Y. T., Meijer, Gerard, Groenenboom, Gerrit C.

Publikováno v: Journal of Chemical Physics, 127, 221102 (2007)

We present a combined experimental and theoretical study on the radiative lifetime of CO in the $a^3\Pi_{1,2}, v=0$ state. CO molecules in a beam are prepared in selected rotational levels of this metastable state, Stark-decelerated and electrostatic

Externí odkaz: http://arxiv.org/abs/0710.2240

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Electrostatic trapping of metastable NH molecules

Autor: Hoekstra, Steven, Metsala, Markus, Zieger, Peter C., Scharfenberg, Ludwig, Gilijamse, Joop J., Meijer, Gerard, van de Meerakker, Sebastiaan Y. T.

Publikováno v: Physical Review A, 76, 063408 (2007)

We report on the Stark deceleration and electrostatic trapping of $^{14}$NH ($a ^1\Delta$) radicals. In the trap, the molecules are excited on the spin-forbidden $A ^3\Pi \leftarrow a ^1\Delta$ transition and detected via their subsequent fluorescenc

Externí odkaz: http://arxiv.org/abs/0709.3212

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Optical pumping of trapped neutral molecules by blackbody radiation

Autor: Hoekstra, Steven, Gilijamse, Joop J., Sartakov, Boris, Vanhaecke, Nicolas, Scharfenberg, Ludwig, van de Meerakker, Sebastiaan Y. T., Meijer, Gerard

Publikováno v: Phys.Rev.Lett. 98 133001 (2007)

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

Externí odkaz: http://arxiv.org/abs/physics/0612214

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Optimizing the Stark-decelerator beamline for the trapping of cold molecules using evolutionary strategies

Autor: Gilijamse, Joop J., Küpper, Jochen, Hoekstra, Steven, Vanhaecke, Nicolas, van de Meerakker, Sebastiaan Y. T., Meijer, Gerard

Publikováno v: Phys. Rev. A 73, 063410 (2006)

We demonstrate feedback control optimization for the Stark deceleration and trapping of neutral polar molecules using evolutionary strategies. In a Stark-decelerator beamline pulsed electric fields are used to decelerate OH radicals and subsequently

Externí odkaz: http://arxiv.org/abs/physics/0603108

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