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Coherent-mode representation of the elegant Hermite-Gaussian beams
Author(s) -
Youquan Dan,
Bin Zhang
Publication year - 2006
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.55.712
Subject(s) - hermite polynomials , physics , mode (computer interface) , gaussian , coherence (philosophical gambling strategy) , representation (politics) , statistical physics , optics , quantum mechanics , computer science , politics , political science , law , operating system
Based on the theory of coherent_mode decomposition of laser beams, the mode correlation and coherent_mode representation of the elegant Hermite_Gaussian (EHG) beams are discussed. The analytical expressions for the mode coherence coefficients (MCCs) of EHG beams, which include a coherent_mode representation that consists of finite coherent_modes, are derived. Furthermore, the difference of the M2_factor between the EHG beams and SHG beams is analyzed by means of the mode structure of the EHG beams.

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