دورية أكاديمية
Strong-field ionization of clusters using two-cycle pulses at 1.8 μm.
| العنوان: | Strong-field ionization of clusters using two-cycle pulses at 1.8 μm. |
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| المؤلفون: | Schütte B; Department of Physics, Imperial College London, South Kensington Campus, London SW7 2AZ, UK., Ye P; Department of Physics, Imperial College London, South Kensington Campus, London SW7 2AZ, UK., Patchkovskii S; Max-Born-Institut, Max-Born-Strasse 2A, 12489 Berlin, Germany., Austin DR; Department of Physics, Imperial College London, South Kensington Campus, London SW7 2AZ, UK., Brahms C; Department of Physics, Imperial College London, South Kensington Campus, London SW7 2AZ, UK., Strüber C; Department of Physics, Imperial College London, South Kensington Campus, London SW7 2AZ, UK., Witting T; Department of Physics, Imperial College London, South Kensington Campus, London SW7 2AZ, UK., Ivanov MY; Department of Physics, Imperial College London, South Kensington Campus, London SW7 2AZ, UK.; Max-Born-Institut, Max-Born-Strasse 2A, 12489 Berlin, Germany., Tisch JW; Department of Physics, Imperial College London, South Kensington Campus, London SW7 2AZ, UK., Marangos JP; Department of Physics, Imperial College London, South Kensington Campus, London SW7 2AZ, UK. |
| المصدر: | Scientific reports [Sci Rep] 2016 Dec 23; Vol. 6, pp. 39664. Date of Electronic Publication: 2016 Dec 23. |
| نوع المنشور: | Journal Article; Research Support, Non-U.S. Gov't |
| اللغة: | English |
| بيانات الدورية: | Publisher: Nature Publishing Group Country of Publication: England NLM ID: 101563288 Publication Model: Electronic Cited Medium: Internet ISSN: 2045-2322 (Electronic) Linking ISSN: 20452322 NLM ISO Abbreviation: Sci Rep Subsets: PubMed not MEDLINE |
| أسماء مطبوعة: | Original Publication: London : Nature Publishing Group, copyright 2011- |
| مستخلص: | The interaction of intense laser pulses with nanoscale particles leads to the production of high-energy electrons, ions, neutral atoms, neutrons and photons. Up to now, investigations have focused on near-infrared to X-ray laser pulses consisting of many optical cycles. Here we study strong-field ionization of rare-gas clusters (10 3 to 10 5 atoms) using two-cycle 1.8 μm laser pulses to access a new interaction regime in the limit where the electron dynamics are dominated by the laser field and the cluster atoms do not have time to move significantly. The emission of fast electrons with kinetic energies exceeding 3 keV is observed using laser pulses with a wavelength of 1.8 μm and an intensity of 1 × 10 15 W/cm 2 , whereas only electrons below 500 eV are observed at 800 nm using a similar intensity and pulse duration. Fast electrons are preferentially emitted along the laser polarization direction, showing that they are driven out from the cluster by the laser field. In addition to direct electron emission, an electron rescattering plateau is observed. Scaling to even longer wavelengths is expected to result in a highly directional current of energetic electrons on a few-femtosecond timescale. |
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| تواريخ الأحداث: | Date Created: 20161224 Date Completed: 20180615 Latest Revision: 20240326 |
| رمز التحديث: | 20240326 |
| مُعرف محوري في PubMed: | PMC5180105 |
| DOI: | 10.1038/srep39664 |
| PMID: | 28009012 |
| قاعدة البيانات: | MEDLINE |
Full Text Finder | تدمد: | 2045-2322 |
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| DOI: | 10.1038/srep39664 |