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Focal shift of hollow Gaussian beams through a thin lens

✍ Scribed by Chengliang Zhao; Ligang Wang; Xuanhui Lu

Publisher
Elsevier Science
Year
2008
Tongue
English
Weight
525 KB
Volume
40
Category
Article
ISSN
0030-3992

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Focal shift and focal switch of flat-topped Mathieu–Gaussian beams passing through an apertured lens system
✍ Bin Tang; Wei Wen πŸ“‚ Article πŸ“… 2009 πŸ› Elsevier Science 🌐 English βš– 404 KB

By introducing a hard aperture function into a finite sum of complex Gaussian functions, an approximate analytical expression predominating the distribution of axial intensity for the flat-topped Mathieu-Gauss (FTMG) beams passing through a system with the aperture and lens separated has been derive