Sub-3-cycle vortex pulses of tunable topological charge
Novel types of reflective spiral micro-electro-mechanical systems were used to generate few-cycle vortex pulses of variable topological charge from a Ti:sapphire laser oscillator. The phase profile of these components was controlled by varying the temperature. The temporal properties of the pulses w...
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| Veröffentlicht in: | Optics letters 2013-09, Vol.38 (18), p.3642-3645 |
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| container_end_page | 3645 |
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| container_issue | 18 |
| container_start_page | 3642 |
| container_title | Optics letters |
| container_volume | 38 |
| creator | Bock, Martin Brunne, Jens Treffer, Alexander König, Stefan Wallrabe, Ulrike Grunwald, Ruediger |
| description | Novel types of reflective spiral micro-electro-mechanical systems were used to generate few-cycle vortex pulses of variable topological charge from a Ti:sapphire laser oscillator. The phase profile of these components was controlled by varying the temperature. The temporal properties of the pulses were characterized with spatially resolved nonlinear autocorrelation. The beam structure resembles a slightly distorted Laguerre-Gaussian distribution. The different topological charges were indicated by detecting Poynting-vector maps with a programmable Shack-Hartmann sensor of enhanced angular sensitivity. |
| doi_str_mv | 10.1364/OL.38.003642 |
| format | Article |
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| fulltext | fulltext |
| identifier | ISSN: 0146-9592 |
| ispartof | Optics letters, 2013-09, Vol.38 (18), p.3642-3645 |
| issn | 0146-9592 1539-4794 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_1685819213 |
| source | Optica Publishing Group Journals |
| subjects | Beams (radiation) Charge Distortion Fluid flow Oscillators Topology Vortices |
| title | Sub-3-cycle vortex pulses of tunable topological charge |
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