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Title: Manipulation of plasma grating by impulsive molecular alignment

We experimentally demonstrated that multiphoton-ionization-induced plasma grating in air could be precisely manipulated by impulsive molecular alignment. In the linear region, the impulsively aligned molecules modulated the diffraction efficiency of the plasma grating for a time-delayed femtosecond laser pulse. In the nonlinear region, the third harmonic generation from the plasma grating was either enhanced or suppressed by following the alignment of the molecules.
Authors:
; ;  [1]
  1. State Key Laboratory of Precision Spectroscopy, East China Normal University, Shanghai 200062 (China)
Publication Date:
OSTI Identifier:
22224089
Resource Type:
Journal Article
Resource Relation:
Journal Name: Applied Physics Letters; Journal Volume: 103; Journal Issue: 22; Other Information: (c) 2013 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
70 PLASMA PHYSICS AND FUSION TECHNOLOGY; 71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS; ALIGNMENT; DIFFRACTION; DIFFRACTION GRATINGS; GRATINGS; HARMONIC GENERATION; LASERS; MOLECULES; NONLINEAR PROBLEMS; PHOTOIONIZATION; PLASMA DIAGNOSTICS