Abstract
We demonstrate that the regular ring-shaped arrays of Gaussian beams, or optical necklaces, can be generated using diffraction on a stack of dielectric wedges. A condition for self-similarity and structural stability of the beams has been derived and shows good comparison with experimental data.
Original language | English |
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Pages (from-to) | 3909-3913 |
Number of pages | 5 |
Journal | Physics Letters, Section A: General, Atomic and Solid State Physics |
Volume | 372 |
Issue number | 21 |
DOIs | |
Publication status | Published - 19 May 2008 |