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Laser Polarization Effects on the Photodetachment Cross Section of H− Near a Reflecting Surface
Suneela Arif,Muhammad Haneef,Jehan Akbar,Saleh Mohammad,Imran Ullah,Hameed Khan,Nasrullah Shah,Muhammad Zahir,Abdur Rab 한국물리학회 2012 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.61 No.5
The influence of laser polarization angle on the photodetachment of H<sup>−</sup> 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<sup>−</sup> 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 <i>θ<sub>L</sub></i>. A strong oscillating structure is noted for <i>θ<sub>L</sub></i> = 0°. As the angle continues to increase, the oscillating structure diminishes, and for <i>θ<sub>L</sub></i> = 90°, the oscillating structure in the cross section reduces to a non-oscillating structure.