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Focal shift and focal switch of Bessel–Gaussian beams passing through a lens system with or without aperture

✍ Scribed by Xiaoling Ji; Baida Lü

Book ID
108233586
Publisher
Elsevier Science
Year
2007
Tongue
English
Weight
262 KB
Volume
39
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 📂 Article 📅 2009 🏛 Elsevier Science 🌐 English ⚖ 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