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Focal shift and focal switch in dual-focus systems

✍ Scribed by Li, Yajun


Book ID
115388099
Publisher
Optical Society of America
Year
1997
Tongue
English
Weight
376 KB
Volume
14
Category
Article
ISSN
1084-7529

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Focal shift and focal switch of flat-top
✍ 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