| 复宗量双曲余弦-高斯光束的束传输因子与传输性质 |
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| 引用本文： | 唐慧琴,朱开成. 复宗量双曲余弦-高斯光束的束传输因子与传输性质[J]. 湘潭师范学院学报(自然科学版), 2002, 24(1): 19-25 |
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| 作者姓名： | 唐慧琴 朱开成 |
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| 作者单位： | 中南大学,应用物理系,湖南,长沙,410083;湘潭师范学院,物理系,湖南,湘潭,411201 |
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| 摘 要： | 引入了一类新的复参数双曲余弦-高斯光束，给出了这类光束的束传输因子（M^2-因子）的解析表达式，并就这类光束在一阶傍轴光学系统中的传输特性进行了讨论。与实参数双曲余弦-高斯光束相比，这关复参数双曲余弦-高斯光束呈现出了新特性。
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| 关 键 词： | 复参数双曲余弦－高斯光束 束传输因子 传输特性 一阶傍轴光学系统 复宗量 |
Beam propagation factor and propagating properties of complex-argument cosh-Gaussian Beams |
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| ZHU Kai-cheng ,,TANG Hui-qin . Beam propagation factor and propagating properties of complex-argument cosh-Gaussian Beams[J]. Journal of Xiangtan Normal University (Natural Science Edition), 2002, 24(1): 19-25 |
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| Authors: | ZHU Kai-cheng TANG Hui-qin |
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| Affiliation: | ZHU Kai-cheng 1,2,TANG Hui-qin 1,2 |
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| Abstract: | An alternative set of cosh-Gaussian (ChG) beams whose parameter in cosh part is complex, termed as complex-argument ChG beams, is introduced. Its beam propagation factor (M 2-factor) has been derived and analysed physically. Then, the propagation of complex-argument ChG beams passing through a paraxial optical ABCD system has been studied detail. Contrast to the usual ChG beams, the complex-argument ChG beams possess some interesting features. |
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| Keywords: | cosh-Gaussian beam beam propagation factor propagation properties |
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