| Gradient enhanced third harmonic generation in a femtosecond filament. | |
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MedLine Citation:
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PMID: 22089573 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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The third harmonic generated during femtosecond filamentation in air is studied. By establishing a gradient from atmospheric pressure to vacuum conditions, we truncate the filament abruptly at defined positions. The introduction of the pressure gradient leads to an enhancement of the generated third harmonic radiation by 3 orders of magnitude. This effect is attributed to an improved on-axis phase-matching condition. We investigate the spectral shape and the conversion efficiency of the third harmonic during the propagation in the filament. |
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Authors:
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Emilia Schulz; Daniel S Steingrube; Tobias Vockerodt; Thomas Binhammer; Uwe Morgner; Milutin Kovačev |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Optics letters Volume: 36 ISSN: 1539-4794 ISO Abbreviation: Opt Lett Publication Date: 2011 Nov |
Date Detail:
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Created Date: 2011-11-17 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 7708433 Medline TA: Opt Lett Country: United States |
Other Details:
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Languages: eng Pagination: 4389-91 Citation Subset: IM |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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