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|a eng
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|a van Der Heijden HW
|e verfasserin
|4 aut
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|a Time-resolved experimental and computational study of two-photon laser-induced fluorescence in a hydrogen plasma
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|c 2000
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| 336 |
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|a Text
|b txt
|2 rdacontent
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|a ohne Hilfsmittel zu benutzen
|b n
|2 rdamedia
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|a Date Revised 20.11.2019
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|a published: Print
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|a Citation Status PubMed-not-MEDLINE
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|a The time profile of the fluorescence light emission of atomic hydrogen in an expanding plasma beam after pulsed excitation with a nanosecond laser is studied, both experimentally and computationally. Ground state H atoms in an expanding Ar-H cascaded arc plasma are excited to the p=3 level using two-photon laser excitation at 205 nm. The resulting fluorescence is resolved in time with a fast photomultiplier tube to investigate the occurrence of quenching. A fluorescence decay time of (10+/-0.5) ns is measured under all circumstances, indicating that there is a complete l mixing of the p=3 sublevels. A time-resolved collisional radiative model is developed to model pulsed laser induced fluorescence for a large range of plasma parameters. The model calculations agree well with the experimental results over the entire range of conditions and indicate that two-photon LIF can strongly influence the local electron and ion densities, resulting in a "self-quenching" of the laser-induced H fluorescence
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|a Journal Article
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|a Boogaarts
|e verfasserin
|4 aut
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|a Mazouffre
|e verfasserin
|4 aut
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|a van Der Mullen JA
|e verfasserin
|4 aut
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|a Schram
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Physical review. E, Statistical physics, plasmas, fluids, and related interdisciplinary topics
|d 1993
|g 61(2000), 4 Pt B vom: 27. Apr., Seite 4402-9
|w (DE-627)NLM098226002
|x 1063-651X
|7 nnns
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| 773 |
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|g volume:61
|g year:2000
|g number:4 Pt B
|g day:27
|g month:04
|g pages:4402-9
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|a AR
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|d 61
|j 2000
|e 4 Pt B
|b 27
|c 04
|h 4402-9
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