Second—Harmonic Generation of Bessel Beams in Lossy Media |
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引用本文: | 丁德胜,许坚毅,等.Second—Harmonic Generation of Bessel Beams in Lossy Media[J].中国物理快报,2002,19(5):689-690. |
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作者姓名: | 丁德胜 许坚毅 |
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作者单位: | StateKeyLaboratoryofModernAcoustics,NanjingUniversity,Nanjing210093 |
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摘 要: | We present a further analysis for the second-harmonic generation of Bessel beams in lossy media.The emphasis is put on the effect of absorption to the radial pattern of the second-harmonic beam.It is shown that within the absorption length of the second harmonic,the Bessel second-harmonic beam approaches limited diffraction in the radial direction and behaves as in the case of lossless media.
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关 键 词: | 固体电介质 Bassal束 二次谐波 |
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