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Controlling phase m...
Controlling phase matching of high-order harmonic generation by manipulating the fundamental field
- Article/chapterEnglish1999
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1999
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electronicrdacarrier
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LIBRIS-ID:oai:lup.lub.lu.se:d71a19c2-210e-4f27-9861-4b4126cc4acd
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https://lup.lub.lu.se/record/2259204URI
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https://doi.org/10.1103/PhysRevA.60.5010DOI
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Language:English
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Summary in:English
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Subject category:art swepub-publicationtype
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We study experimentally how to control and improve phase matching of high-order harmonic generation. We use a birefringent lens and a birefringent compensator to obtain a fundamental laser pulse (150 fs, 800 nm, similar to 4 mJ) With two foci Separated by 6.2 mm along the propagation axis and with a controllable phase delay between the polarizations along the optic axes of the birefringent optical components. This enables us to enhance the high-order harmonic conversion efficiency for the high-order harmonics in neon to 3 x 10(-8), a factor of 4 higher compared to a single-focus setup in similar conditions. The enhancement is achieved by improving the phase matching and at the same time maintaining a high intensity in a large generating volume. [S1050-2947(99)04512-6].
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Constant, E
(author)
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Mevel, E
(author)
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Balcou, P
(author)
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Descamps, D
(author)
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Gaarde, M. B
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Valette, A
(author)
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Haroutunian, R
(author)
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L'Huillier, AnneLund University,Lunds universitet,Atomfysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Atomic Physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH(Swepub:lu)fysi-alh
(author)
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AtomfysikFysiska institutionen
(creator_code:org_t)
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In:Physical Review A (Atomic, Molecular and Optical Physics)60:6, s. 5010-50181050-2947
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