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Journal Article

An electrostatic elliptical mirror for neutral polar molecules.


Meek,  S. A.
Research Group of Precision Infrared Spectroscopy, MPI for Biophysical Chemistry, Max Planck Society;

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González Flórez, A. I., Meek, S. A., Haak, H., Conrad, H., Santambrogio, G., & Meijer, G. (2011). An electrostatic elliptical mirror for neutral polar molecules. Physical Chemistry Chemical Physics, 13(42), 18830-18834. doi:10.1039/C1CP20957D.

Cite as: https://hdl.handle.net/11858/00-001M-0000-0027-D2F3-2
Focusing optics for neutral molecules finds application in shaping and steering molecular beams. Here we present an electrostatic elliptical mirror for polar molecules consisting of an array of microstructured gold electrodes deposited on a glass substrate. Alternating positive and negative voltages applied to the electrodes create a repulsive potential for molecules in low-field-seeking states. The equipotential lines are parallel to the substrate surface, which is bent in an elliptical shape. The mirror is characterized by focusing a beam of metastable CO molecules and the results are compared to the outcome of trajectory simulations.