复宗量拉盖尔-高斯光束及其特性研究(英文) |
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引用本文: | 吕百达,马虹. 复宗量拉盖尔-高斯光束及其特性研究(英文)[J]. 激光技术, 2001, 25(4): 312-316 |
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作者姓名: | 吕百达 马虹 |
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作者单位: | 1.四川大学激光物理与化学研究所, 成都, 610064 |
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基金项目: | ThisworkwassupportedbytheFoundationofNationalKeyLaboratoryofLaserTechnologyunderthecontractNo .990 2 |
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摘 要: | 用由广义惠更斯-菲涅耳衍射积分推导出的传输方程详细研究了复宗量拉盖尔-高斯光束及其传输特性。采用光束传输因子(M2因子)和桶中功率(PIB)来表征光束质量,对复宗量和实宗量拉盖尔 高斯光束的光束质量进行了比较,并对所得结果作了分析。
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关 键 词: | 传输方程 复宗量拉盖尔-高斯光束 M2因子 桶中功率(PIB) |
收稿时间: | 2000-05-30 |
修稿时间: | 2000-05-30 |
Elegant Laguerre-Gaussian beams and their properties |
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Abstract: | The elegant Laguerre-Gaussian(L-G) beams and their propagation properties are studied in detail using the propagation equation derived from the generalized Huygens-Fresnel diffraction integral. The beam propagation factor( M 2 factor) and power in the bucket(PIB) are used to characterize beam quality,a comparison of the beam quality of elegant and standard L-G beams is made and the results are analyzed. |
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Keywords: | propagation equation elegant Laguerre-Gaussian(L-G) beam M 2 factor power in the bucket(PIB) |
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