Abstract
The influence of laser polarization angle on the photodetachment of H− near a reflecting surface is investigated based on a theoretical imaging technique. An analytical expression for the photodetachment cross section is derived. The photodetachment cross section of H− near a reflecting surface is found to be not only related to the inter-ion-surface distance and the photon energy but also the laser polarization angle θL. A strong oscillating structure is noted for θL = 0°. As the angle continues to increase, the oscillating structure diminishes, and for θL = 90°, the oscillating structure in the cross section reduces to a non-oscillating structure.
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