Phototriggering of a 1-J excimer laser using either UV or x rays

Lacour, Bernard; Vannier, C.

doi:10.1063/1.339728

Cited by 48 publications

(10 citation statements)

References 20 publications

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“…The same processes can be important in preventing the generation of space-localized streamers and sparks. More details regarding the APG discharges can be found in [36][37][38].…”

Section: Atmospheric Pressure Glow Dischargementioning

confidence: 99%

Non-thermal atmospheric pressure discharges

Fridman¹,

Chirokov²,

Gutsol³

2005

J. Phys. D: Appl. Phys.

884

588

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There has been considerable interest in non-thermal atmospheric pressure discharges over the past decade due to the increased number of industrial applications. Diverse applications demand a solid physical and chemical understanding of the operational principals of such discharges. This paper focuses on the four most important and widely used varieties of non-thermal discharges: corona, dielectric barrier, gliding arc and spark discharge. The physics of these discharges is closely related to the breakdown phenomena. The main players in electrical breakdown of gases: avalanches and streamers are also discussed in this paper. Although non-thermal atmospheric pressure discharges have been intensively studied for the past century, a clear physical picture of these discharges is yet to be obtained.

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“…The same processes can be important in preventing the generation of space-localized streamers and sparks. More details regarding the APG discharges can be found in [36][37][38].…”

Section: Atmospheric Pressure Glow Dischargementioning

confidence: 99%

Non-thermal atmospheric pressure discharges

Fridman¹,

Chirokov²,

Gutsol³

2005

J. Phys. D: Appl. Phys.

884

588

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“…In order to overcome this problem, we have used a photo-triggered discharge [10]. Up to now the phototriggered technique has been devoted to excitation of highpower UV [11] and infrared [12] laser sources.…”

Section: Introductionmentioning

confidence: 99%

Time-resolved laser-induced fluorescence study of NO removal plasma technology in N₂/NO mixtures

Fresnet¹,

Baravian²,

Pasquiers³

et al. 2000

J. Phys. D: Appl. Phys.

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The laser-induced fluorescence technique is used to study NO removal in N 2 /NO mixtures, after excitation by a homogeneous photo-triggered discharge. Time-resolved experiments are performed in the decaying post-discharge in order to measure the NO concentration 200 µs after a 75 ns duration current pulse. For the first time the NO removal is measured for a single current pulse excitation of the polluted mixture near atmospheric pressure. We discuss the influence of both the electrical energy deposited in the discharge and the initially applied reduced electric field on the NO removal efficiency. It is shown that near 100% of the initial NO molecules can be removed with a single shot, depending on experimental conditions. A detailed kinetic analysis is performed, which leads to straightforward analytical approach used to estimate the N atom density produced by the discharge as a function of the electrical parameters values. It strengthens that, with regard to known kinetic processes, the ideal case for 100% NO removal is to create the exact number of N atoms corresponding to the number of NO molecules, at the lowest energetic cost.

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“…Cependant, les propriélés électroniques particulières du mélange gazeux UTilisé (SF6, Ne•H2) imposent des contraintes sévères au ein::uit électrique de commutation. C'est la raison pour laquelle, à LASERDOT, nous avons choisi d'utiliser la technique du photodédenchemcm (Lacour 1987. Brunei 1990.…”

Section: Laser Hf/of a Excitarion éLeclr Iqueunclassified

Les lasers moléculaires

Brunet¹

1996

Les Lasers Et Leurs Applications Scientifiques Et Médicales

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INT RODUCTIO NC'est au cours des anntes 1964-65 qu'apparurent les lasers mol~culaires les plus connus, le laser à CÛ2 et le laser HCI, précurseur des lasers chimiques de grande puissance. Ces lasers ~meuent dans le proche infrarouge, sur les transitions de vibration-rotation des mol~cules. De cc fait, ils prtsentent des proprittts ct des caracttristiques difftrentes de celles des lasers fonctionnant sur des transitions atomiques ou ioniques. Dans le premier chapitre de l'expos~, nous pr~senterons un rappel des propri~tts spteifiques des lasers mol~culaires, Dans le deux ième chapitre, on s'inttressera aux lasers à COz, continus, impulsionnels ou guides d'ondes. Enfin, dans le troisième ct dernier chapitre, on presentera les caractéristiques des lasers chimiques, essentiellement celles des lasers HFIDF. seuls lasers chimiques ayant connu un d~veloppemem intéressant. Les molécules polyaTomiques à N alomes présentent 3N-5 modes de vibration ct le cas particulier de la molécule C

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Phototriggering of a 1-J excimer laser using either UV or x rays

Cited by 48 publications

References 20 publications

Non-thermal atmospheric pressure discharges

Non-thermal atmospheric pressure discharges

Time-resolved laser-induced fluorescence study of NO removal plasma technology in N₂/NO mixtures

Les lasers moléculaires

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Phototriggering of a 1-J excimer laser using either UV or x rays

Cited by 48 publications

References 20 publications

Non-thermal atmospheric pressure discharges

Non-thermal atmospheric pressure discharges

Time-resolved laser-induced fluorescence study of NO removal plasma technology in N2/NO mixtures

Les lasers moléculaires

Contact Info

Product

Resources

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Time-resolved laser-induced fluorescence study of NO removal plasma technology in N₂/NO mixtures