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Focal shift and focal switch of flattened Gaussian beams in passage through an aperture bifocal lens

✍ Scribed by Xiaoling Ji; Lu, B.

Book ID
117882414
Publisher
IEEE
Year
2003
Tongue
English
Weight
525 KB
Volume
39
Category
Article
ISSN
0018-9197

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Focal shift and focal switch of flat-top
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