Open AccessTheoretical analysis of hot image effect from phase scatterer
Author(s) -
Lei Xie,
Zhao Jian-Lin,
Su Jingqin,
Jun Feng,
Wenyi Wang,
Hansheng Peng
Publication year - 2004
Publication title -
wuli xuebao
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.199
H-Index - 47
ISSN - 1000-3290
DOI - 10.7498/aps.53.2175
Subject(s) - paraxial approximation , optics , physics , diffraction , fresnel diffraction , phase (matter) , holography , amplitude , nonlinear system , intensity (physics) , image plane , equidistant , image (mathematics) , mathematics , geometry , quantum mechanics , computer science , beam (structure) , artificial intelligence
The nonlinear hot image effect from phase scatterer in a high-power laser system has been investigated theoretically and numerically. According to the Fresnel-Kirchhoff diffraction integral and nonlinear paraxial wave equation, we derive the functional relationship of the intensity of hot image and its location. It is shown that the image intensity is likely several times larger than that from amplitude scatterer, and the location is situated in the equidistant downstream plane of the scatterer in an optical component located upstream from a nonlinear element. Good agreements are shown between the theoretical prediction and the computer codes developed for ns-pulse propagation simulations. The results indicate that the formation of hot image is akin to the real-time, in-line and volume-phase holographic imaging.