Auswahl der wissenschaftlichen Literatur zum Thema „Spectroscopie rotationnelle“
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Zeitschriftenartikel zum Thema "Spectroscopie rotationnelle"
Motret, O., C. Hibert, M. Nikravech, S. Pellerin, R. Viladrosa und J. M. Pouvesle. „Mesure de la température rotationnelle de OH par spectroscopie UV dans une D.B.D. T.H.T. impulsionnelle“. Annales de Physique 22 (Februar 1997): C1–129—C1–130. http://dx.doi.org/10.1051/anphys/1997026.
Der volle Inhalt der QuelleDissertationen zum Thema "Spectroscopie rotationnelle"
Duan, Chuanxi. „Spectroscopie rovibronique et rotationnelle de molécules réactives“. Lille 1, 2003. https://pepite-depot.univ-lille.fr/LIBRE/Th_Num/2003/50376-2003-273-274.pdf.
Der volle Inhalt der QuelleDuan, Chuanxi Bogey Marcel Liu Yuyan. „Spectroscopie rovibronique et rotationnelle de molécules réactives“. [S.l.] : [s.n.], 2003. http://www.univ-lille1.fr/bustl-grisemine/pdf/extheses/50376-2003-273-274.pdf.
Der volle Inhalt der QuelleThèse en co-tutelle. N° d'ordre (Lille 1) : 3285. Texte de la thèse en chinois. Articles en anglais en annexe. Résumé en chinois, français et anglais. Bibliogr. p. 125-126.
Douay, Marc. „Analyses rotationnelle et hyperfine de la transition électronique... du radical MnS par spectroscopie d'absorption saturée“. Grenoble 2 : ANRT, 1986. http://catalogue.bnf.fr/ark:/12148/cb37597438j.
Der volle Inhalt der QuelleLabiad, Hamza. „Transfert d'énergie rotationnelle lors des collisions de CO-Ar et CO-H₂ à très basses températures pour des applications astrophysiques“. Thesis, Rennes 1, 2017. http://www.theses.fr/2017REN1S147/document.
Der volle Inhalt der QuelleIn the quest to understand the universe, astrophysicists observe and make models for astrophysical objects in the sky. The interstellar medium, ISM, in particular is of central importance since it represents the matter that exists in the space between stars in a galaxy, and in which stars and planets form. Understanding it, its constituents and its evolution and characteristics requires the quantification of several chemical and physical processes, including collision processes. In this work, we used the CRESU technique to reproduce very cold environments of astrophysical media, in particular dense molecular clouds in the ISM. We studied experimentally rotational energy transfer, RET, resulting from inelastic collisions at very low temperatures using a pump-probe laser-based spectroscopic technique for the purpose of measuring constants quantifying collisions. Two types of constants were determined: the first are total removal constants of RET resulting from a specific rotational quantum state to all possible final rotational quantum states, and the second are more detailed information consisting in rate constants from a specific rotational quantum state to another specific rotational quantum state, so-called state-to-state rate constants. Two experiments have been performed involving Carbone monoxide molecule, CO, as a target molecule of collisions. The first involves argon, Ar, as a projectile atom, and the second molecular hydrogen, H2, as a projectile molecule. Both collisional systems play an important role in a wide range of areas including gas-phase phenomena and astrophysical applications. In the first experiment, we investigated collisions between CO and Ar, from 293 K down to 30 K. IR-VUV double resonance technique has been exploited to measure, directly for the first time, absolute values of total removal and state-to-state constants of collisions. The experimental results have been compared to theoretical predictions based on a diatom-atom model of collision, where very good agreement was observed. In the second experiment, we investigated collisions between CO and H2 (the most abundant molecules in the ISM) from 293 K down to 5.5 K focusing on the very low temperatures of dense molecular clouds in the ISM. For the first time, total removal and state-to-state constants have been measured and compared to theoretical predictions of a highly accurate diatom-diatom model of collisions, where excellent agreement was observed. The results obtained in this thesis served to validate theoretical models of molecular collisions, helping the continuous efforts for pushing the frontiers of theoretical models. In the astrophysical side, the obtained collisional constants will be taken into account in modeling of many astrophysical media
Renard, Mathias. „Contrôle de la dynamique rotationnelle de molécules par impulsions laser ultra-brèves mises en forme“. Dijon, 2004. http://tel.ccsd.cnrs.fr/documents/archives0/00/00/82/77/index_fr.html.
Der volle Inhalt der QuelleThis manuscript presents various studies falling under the set of themes of coherent control. We establish, as well theoretically as in experiments, the possibility of finely handling the rotational dynamics of linear molecules. In order to operate this handling, the ultra-short pulses are shaped by a pulse shaper. Its principle and its installation are described in a detailed way. The rotational dynamics of the linear nitrogen molecule (N2) is handled while exploiting the relative excitation between the even and odd rotational components of the wavepacket in weak mode of field. That, we chose a periodic phase modulation well defined of the exiting pulse. A temporal analysis comes to clarify under another angle the experimental results. An extension of the control strategy to the mode of strong field makes it possible to control molecular alignment dynamics
Renard, Mathias Lavorel Bruno Faucher Olivier. „Contrôle de la dynamique rotationnelle de molécules par impulsions laser ultra-brèves mises en forme“. [S.l.] : [s.n.], 2004. http://tel.ccsd.cnrs.fr/documents/archives0/00/00/82/77/index_fr.html.
Der volle Inhalt der QuelleTine, Modou. „Etude à haute résolution des spectres infrarouges d'un isotope rare HTO de la vapeur d'eau et des états excités de H2Te présentant un comportement en modes locaux“. Paris 11, 2004. http://www.theses.fr/2004PA112206.
Der volle Inhalt der QuelleIn the first part of this thesis an analysis of the high-resolution spectrum of the HTO molecule nu3 band, from 3500 to 3890 cm-1, was undertaken. The rotational transitions of this band were assigned using combination differences. Their wavenumbers were analyzed with a least squares fit program in order to obtain spectroscopic parameters. A perturbing state was evidenced. With a view towards building a spectroscopic data base for this band, a calculation of the dipole moment function was undertaken. In the second part of this thesis, an analysis of the high-resolution spectrum of H2Te was carried out in the 4500 to 6000 cm-1 region. Two vibrational bands were observed which were assigned as the (30±,0) ? (00+,0) et (20±,1) ? (00+,0) bands. Rotational transitions were afterwards assigned. For the (30±,0) ? (00+,0) band, wavenumbers could be reproduced using only one set of rotational constants plus a Coriolis coupling term for the the upper vibrational state. In agreement with local mode theory, this clearly shows that the (30±,0) states displays a local mode behavior. This was not the case for the (20±,1) states characterized by lower energies
Douay, Marc. „Analyses rotationnelle et hyperfine de la transition électronique A6[sigma+]-X6[sigma+] du radical MnS par spectroscopie d'absorption saturée“. Lille 1, 1986. http://www.theses.fr/1986LIL10155.
Der volle Inhalt der QuelleRENARD, Mathias. „Contrôle de la dynamique rotationnelle de molécules par impulsions laser ultra-brèves mises en forme“. Phd thesis, Université de Bourgogne, 2004. http://tel.archives-ouvertes.fr/tel-00008277.
Der volle Inhalt der QuelleDeroussiaux, Arnaud. „Etude de la relaxation d'énergie rotationnelle et vibrationnelle par collisions dans les mélanges CO#2-Ar et CO#2-He à l'aide d'une expérience de spectroscopie double résonance“. Dijon, 1997. http://www.theses.fr/1997DIJOS075.
Der volle Inhalt der QuelleBuchteile zum Thema "Spectroscopie rotationnelle"
„2. Spectroscopie rotationnelle et vibrationnelle“. In Les fondements de la détermination des structures moléculaires, 7–54. EDP Sciences, 2020. http://dx.doi.org/10.1051/978-2-7598-2152-5-004.
Der volle Inhalt der Quelle„2. Spectroscopie rotationnelle et vibrationnelle“. In Les fondements de la détermination des structures moléculaires, 7–54. EDP Sciences, 2020. http://dx.doi.org/10.1051/978-2-7598-2152-5.c004.
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