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  • Received: Dec. 12, 2011

    Accepted: Feb. 13, 2012

    Posted: Apr. 5, 2012

    Published Online: Apr. 5, 2012

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    DOI: 10.3788/col201210.062601

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    Qiongge Sun, Ailan Li, Keya Zhou, Zhengjun Liu, Guangyu Fang, Shutian Liu. Virtual source for rotational symmetric Lorentz-Gaussian beam[J]. Chinese Optics Letters, 2012, 10(6): 062601

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Chinese Optics Letters, Vol. 10, Issue 6, 062601 (2012)

Virtual source for rotational symmetric Lorentz-Gaussian beam

Qiongge Sun, Ailan Li, Keya Zhou, Zhengjun Liu, Guangyu Fang, and Shutian Liu

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    Abstract

    The virtual source for generation of rotational symmetric Lorentz-Gaussian (RLG) wave whose propagating dynamics present the rotational symmetry is identified. Closed-form expressions, including integral and differential representations, are derived for this kind of Lorentz-Gaussian (LG) wave, thereby yielding paraxial approximation of the RLG beam in the appropriate regime. From the spectral representation of this wave, the first three order corrections of nonparaxial approximations are determined for a corresponding paraxial RLG beam. Moreover, the relationship between the RLG beam and the Hermite-Gaussian beam is revealed.

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