Transverse Focal Shift in Vortex Beams
The transverse focal shift (TFS) is a phenomenon that the maximum of a focused field does not occur at the geometrical focus, but is moved a short distance transversely in the focal plane. In this paper, the TFS of vortex beams in a high numerical aperture system is investigated. Four typical types...
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| Main Authors: | , , , |
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| Format: | article |
| Language: | EN |
| Published: |
IEEE
2018
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| Subjects: | |
| Online Access: | https://doaj.org/article/99bea7d3e68c413793a2a8d3016c7c43 |
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