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| Description
| - Large-scale plasma was created in gas mixtures containing carbon monoxide by high-power laser-induced dielectric breakdown (LIDB). The composition of the mixtures used corresponded to a cometary and/or meteoritic impact into the Earth’s early atmosphere. A multiple-centimeter-sized fireball was created by focusing a single 85 J, 450 ps near-infrared laser pulse into the center of a 15 L gas cell. The excited reaction intermediates that formed in various stages of the LIDB plasma chemical evolution were investigated by optical emission spectroscopy (OES) with temporal resolution. Special attention was paid to any OES signs of molecular ions. However, carbon monoxide cations were registered only if their production was enhanced by Penning ionization, i.e., excess He was added to the CO. The chemical consequences of laser-produced plasma generation in a CO-N2-H2O mixture were investigated using high resolution Fourier-transform infrared absorption spectroscopy and gas chromatography.
- Large-scale plasma was created in gas mixtures containing carbon monoxide by high-power laser-induced dielectric breakdown (LIDB). The composition of the mixtures used corresponded to a cometary and/or meteoritic impact into the Earth’s early atmosphere. A multiple-centimeter-sized fireball was created by focusing a single 85 J, 450 ps near-infrared laser pulse into the center of a 15 L gas cell. The excited reaction intermediates that formed in various stages of the LIDB plasma chemical evolution were investigated by optical emission spectroscopy (OES) with temporal resolution. Special attention was paid to any OES signs of molecular ions. However, carbon monoxide cations were registered only if their production was enhanced by Penning ionization, i.e., excess He was added to the CO. The chemical consequences of laser-produced plasma generation in a CO-N2-H2O mixture were investigated using high resolution Fourier-transform infrared absorption spectroscopy and gas chromatography. (en)
- Velkoobjemová plasma byla produkována ve směsi plynů obsahujících CO pomocí vysokoenergetického laserem indukovaného dielektrického průrazu. Složení použitých směsí bylo voleno tak, aby co nejlépe odpovídalo složení praatmosféry Země a experiment simuloval kometární a meteorické dopady. Několika centimetrová plazmová jiskra byla tvořena fokusací blízkého-infračerveného laserového pulsu o energii 85 J a délce 450 ps do středu 15 l skleněné kyvety. Optickou emisní spektroskopií s časovým rozlišením byly identifikovány částice v různých stavech chemického vývoje LIDB plazmy vzniklé excitačními reakcemi. Velká pozornost byla věnována OES signálům molekulárních iontů. Jednou kladně nabitá molekula oxidu uhelnatého byla pozorována pouze jako produkt Penningovy ionizace (přídavek He k CO). Chemický vývoj laserem vybuzeného plazmatu ve směsi CO-N2-H2O byl sledován také pomocí vysoce rozlišené infračervené absorpční spektroskopie s Fourierovou transformací a plynovou chromatografií. (cs)
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| Title
| - Spectroscopic Investigations of High-Power Laser-Induced Dielectric Breakdown in Gas Mixtures Containing Carbon Monoxide
- Spektroskopická studie částic vznikajících po vysokoenergetickém laserem indukovaném dielektrickém průrazu v plynných směsí obsahujících oxid uhelnatý (cs)
- Spectroscopic Investigations of High-Power Laser-Induced Dielectric Breakdown in Gas Mixtures Containing Carbon Monoxide (en)
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| skos:prefLabel
| - Spectroscopic Investigations of High-Power Laser-Induced Dielectric Breakdown in Gas Mixtures Containing Carbon Monoxide
- Spektroskopická studie částic vznikajících po vysokoenergetickém laserem indukovaném dielektrickém průrazu v plynných směsí obsahujících oxid uhelnatý (cs)
- Spectroscopic Investigations of High-Power Laser-Induced Dielectric Breakdown in Gas Mixtures Containing Carbon Monoxide (en)
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| skos:notation
| - RIV/61388955:_____/08:00318732!RIV09-AV0-61388955
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| http://linked.open...avai/riv/aktivita
| |
| http://linked.open...avai/riv/aktivity
| - P(GA203/06/1278), P(LC528), Z(AV0Z10100523), Z(AV0Z40400503)
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| http://linked.open...iv/cisloPeriodika
| |
| http://linked.open...vai/riv/dodaniDat
| |
| http://linked.open...aciTvurceVysledku
| |
| http://linked.open.../riv/druhVysledku
| |
| http://linked.open...iv/duvernostUdaju
| |
| http://linked.open...titaPredkladatele
| |
| http://linked.open...dnocenehoVysledku
| |
| http://linked.open...ai/riv/idVysledku
| - RIV/61388955:_____/08:00318732
|
| http://linked.open...riv/jazykVysledku
| |
| http://linked.open.../riv/klicovaSlova
| - organic compounds; emission spectroscopy; nitrogen fixation (en)
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| http://linked.open.../riv/klicoveSlovo
| |
| http://linked.open...odStatuVydavatele
| - US - Spojené státy americké
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| http://linked.open...ontrolniKodProRIV
| |
| http://linked.open...i/riv/nazevZdroje
| - Journal of Physical Chemistry A
|
| http://linked.open...in/vavai/riv/obor
| |
| http://linked.open...ichTvurcuVysledku
| |
| http://linked.open...cetTvurcuVysledku
| |
| http://linked.open...vavai/riv/projekt
| |
| http://linked.open...UplatneniVysledku
| |
| http://linked.open...v/svazekPeriodika
| |
| http://linked.open...iv/tvurceVysledku
| - Civiš, Svatopluk
- Juha, Libor
- Sazama, Petr
- Cihelka, Jaroslav
- Babánková, Dagmar
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| http://linked.open...ain/vavai/riv/wos
| |
| http://linked.open...n/vavai/riv/zamer
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| issn
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| number of pages
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