[1]刘岚,吴逢铁,曾夏辉.无衍射光束的轴上光强和最大准直距离[J].华侨大学学报(自然科学版),2007,28(4):350-352.[doi:10.3969/j.issn.1000-5013.2007.04.004]
　LIU Lan,WU Feng-tie,ZENG Xia-hui.Study on the On-Axis Intensity and the Maximum Collimated Distance for an Non-Diffraction Beam[J].Journal of Huaqiao University(Natural Science),2007,28(4):350-352.[doi:10.3969/j.issn.1000-5013.2007.04.004]
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无衍射光束的轴上光强和最大准直距离()
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《华侨大学学报（自然科学版）》[ISSN:1000-5013/CN:35-1079/N]

卷:
第28卷
期数:
2007年第4期
页码:
350-352
栏目:
出版日期:
2007-10-20

文章信息/Info

Title:
Study on the On-Axis Intensity and the Maximum Collimated Distance for an Non-Diffraction Beam
文章编号:
1000-5013(2007)04-0350-03
作者:
刘岚; 吴逢铁; 曾夏辉
华侨大学信息科学与工程学院; 华侨大学信息科学与工程学院 福建泉州362021; 福建泉州362021
Author(s):
LIU Lan;  WU Feng-tie;  ZENG Xia-hui
College of Information Science and Engineering, Huaqiao University, Quanzhou 362021, China
关键词:
无衍射光束;  轴棱镜;  轴上光强;  最大准直距离
Keywords:
non-diffraction beam;  axicon;  on-axis intensity;  maximum non-diffraction distance
分类号:
O436
DOI:
10.3969/j.issn.1000-5013.2007.04.004
文献标志码:
A
摘要:
利用柯林斯公式推广,在柱坐标下的广义惠更斯-菲涅尔衍射积分公式,推导出用锥形透镜产生的近似无衍射光束的纵向传输分布,且进一步得到轴上光强公式,并用几何光学分析法得到最大准直距离的公式.根据数值模拟的轴上光强,分别讨论轴棱镜底角对轴上光强分布的影响,入射光束半径R、底角φ对最大准直距离Zmax的影响.实验结果表明,轴上光强随着底角的增大而增大,最大准直距离Zmax随入射光束半径R增大而增大并近似与R成正比,最大准直距离Zmax随底角增大而减小且近似与底角反比.
Abstract:
Using the Collins formula and Huygens-Fresnel diffraction integral theory,the on-axis beam intensity formula of a non-diffraction beam generated by an aperture plane wave impinging through an axicon was given.Based on the simple geometrical theory,it is easy to deduce equation of the maximum non-diffraction distance.In this paper,we analyzed the distribution of the on-axis intensity and the effect of both the radius R of the aperture and the base angel of the axicon on the maximum non-diffraction distance according to the numerical calculation.The experimental results show that the on-axis intensity increased with the increasing of the base angle of the axicon; the maximum non-diffraction distance Zmax increased with the radius R of the incident beam and proportional with the R,and inverse proportional with the base angle of the axicon.

参考文献/References:

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　WANG Shuochen,MEI Xiaohua,XIE Xiaoxia,et al.Family of Non-Diffractting Beam[J].Journal of Huaqiao University(Natural Science),2016,37(4):149.[doi:10.11830/ISSN.1000-5013.2016.02.0149]

备注/Memo

备注/Memo:
福建省自然科学基金资助项目(A0410017)
更新日期/Last Update: 2014-03-23