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Logo: Institut für Quantenoptik/Leibniz Universität Hannover
Logo Leibniz Universität Hannover
Logo: Institut für Quantenoptik/Leibniz Universität Hannover
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LIAD - Light induced atom desorption

 

To load our MOT efficiently we shine UV light on our glass cell to free atoms from the surface of the cell. On the left side, there is a picture of the glass cell illuminated by UV light (395nm) LED-arrays and on the right side a Rubidium-MOT after the UV light was shut off.
 

Left: MOT cell illuminated by UV light. Right: Rubidium MOT enhanced by LIAD.

 

Of course, we have to cover the glass surface with Rubdium and Potassium atoms first. Therefore we fire Rb87 and enriched K40 Alkali-Dispensers for a few minutes and then operate our MOT by using LIAD only.


Find more about this topic in our publication: