Spatiotemporal filtering of high harmonics in solids
We study the macroscopic spatial and temporal properties of harmonic radiation generated by a model solid in the interaction with an intense, focused laser beam. We show that different temporal contributions to the harmonic yield can be separated in the spatial domain because they lead to radiation...
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| Veröffentlicht in: | Optics letters 2018-11, Vol.43 (21), p.5339-5342 |
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| container_end_page | 5342 |
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| container_issue | 21 |
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| container_title | Optics letters |
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| creator | Abadie, Christopher Q Wu, Mengxi Gaarde, Mette B |
| description | We study the macroscopic spatial and temporal properties of harmonic radiation generated by a model solid in the interaction with an intense, focused laser beam. We show that different temporal contributions to the harmonic yield can be separated in the spatial domain because they lead to radiation with different divergences, similar to what is observed in gas-phase harmonic generation. We show that applying a spatial filter in the far field results in a temporal separation of the two contributions upon refocusing, which yields spatially collimated harmonics, a spectrum with well-resolved peaks, and a subcycle time profile of the harmonic radiation with only one burst per half-cycle. |
| doi_str_mv | 10.1364/OL.43.005339 |
| format | Article |
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| fulltext | fulltext |
| identifier | ISSN: 0146-9592 |
| ispartof | Optics letters, 2018-11, Vol.43 (21), p.5339-5342 |
| issn | 0146-9592 1539-4794 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_2127949830 |
| source | Optica Publishing Group Journals |
| subjects | Collimation Far fields Harmonic generations Harmonic radiation Laser beams Spatial filtering |
| title | Spatiotemporal filtering of high harmonics in solids |
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