Search Results - "Khelkhal, M."

Spectroscopy of ammonia in the range 6626-6805 cm−1: using temperature dependence towards a complete list of lower state energy transitions by Cacciani, P., Čermák, P., Cosléou, J., Romh, J. El, Hovorka, J., Khelkhal, M.

“…Systematic analysis of the temperature dependence of the intensity ratio between already assigned and unassigned transitions enabled the determination of the…”
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Spectroscopy of 14NH3 and 15NH3 in the 2.3μm spectral range with a new VECSEL laser source by Čermák, P., Hovorka, J., Veis, P., Cacciani, P., Cosléou, J., El Romh, J., Khelkhal, M.

“…A spectroscopic study of ammonia molecule in the 2.3μm water atmospheric window is presented. Compared to previous experimental works a narrow, broadly…”
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Separation and conversion of nuclear spin isomers of ethylene by Chapovsky, P.L., Cosléou, J., Herlemont, F., Khelkhal, M., Legrand, J.

“…First separation of the nuclear spin isomers of ethylene molecules ( 13 C 12 CH 4) and determination of the isomer conversion rate are reported. Experiment has…”
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Nuclear spin conversion in the gaseous phase in the presence of a static electric field: Intramolecular magnetic interactions and the role of collisions by Cacciani, P., Cosléou, J., Herlemont, F., Khelkhal, M., Lecointre, J.

“…When a gaseous sample of CH{sub 3}{sup 13}F is prepared with a spin-isomer population ratio (ortho and para forms) far from the equilibrium given by nuclear…”
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New progress in spectroscopy of ammonia in the infrared 1.5 μ m range using evolution of spectra from 300 K down to 122 K by Cacciani, P., Cermak, P., Cosléou, J., Khelkhal, M., Jeseck, P., Michaut, X.

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New progress in spectroscopy of ammonia in the infrared 1.5μm range using evolution of spectra from 300K down to 122K by Cacciani, P., Cermak, P., Cosléou, J., Khelkhal, M., Jeseck, P., Michaut, X.

“…Analysis of the temperature dependence of the ratio of the intensity of two assigned and unassigned lines enables the determination of the most probable energy…”
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A new list of line positions and strengths of 15NH3 in the range 6369–6578cm−1 at room temperature by El Romh, J., Cacciani, P., Taher, F., Čermák, P., Cosléou, J., Khelkhal, M.

“…List of 3002 transitions of 15NH3 observed in the range 6369–6578cm−1 at room temperature. [Display omitted] •A list of positions and line strengths is…”
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Spectroscopy of ammonia in the range 6626-6805 cm super(-1): using temperature dependence towards a complete list of lower state energy transitions by Cacciani, P, Cermak, P, Cosleou, J, Romh, JEl, Hovorka, J, Khelkhal, M

“…Systematic analysis of the temperature dependence of the intensity ratio between already assigned and unassigned transitions enabled the determination of the…”
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A new list of line positions and strengths of 15NH3 in the range 6369–6578 cm−1 at room temperature by El Romh, J., Cacciani, P., Taher, F., Čermák, P., Cosléou, J., Khelkhal, M.

“…The spectrum of 15NH3 has been investigated at room temperature in the 6367–6578 cm1 region usingan external cavity tunable diode laser spectrometer…”
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New progress in spectroscopy of ammonia in the infrared range using evolution of spectra from 300 K down to 122 K by Cacciani, P, Cermak, P, Cosleou, J, Khelkhal, M, Jeseck, P, Michaut, X

“…Analysis of the temperature dependence of the ratio of the intensity of two assigned and unassigned lines enables the determination of the most probable energy…”
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Observation of methane nuclear spin isomers in gas phase at low temperature by Čermák, P., Cacciani, P., Cosléou, J., Khelkhal, M., Hovorka, J., Jeseck, P., Michaut, X., Moudens, A., Fillion, J.-H., Bertin, M., Boursier, C., Martin, C., Pardanaud, C.

“…[Display omitted] ► A new method for rovibrational transition lower state energy determination was demonstrated. ► Self-collisional broadening parameters for…”
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CH3F: the magnetic interactions at the origin of the nuclear spin conversion by Puzzarini, Cristina, Cosléou, Jean, Cacciani, Patrice, Herlemont, Francois, Khelkhal, Mohamed

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Nuclear spin conversion in H 2 O by Cacciani, P., Cosléou, J., Khelkhal, M.

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Nuclear spin conversion in H sub(2)O by Cacciani, P, Cosleou, J, Khelkhal, M

“…Nuclear spin conversion (NSC) in water molecules has often been investigated in the gas or solid phase. It has not been observed in the former yet because of…”
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Ethylene monitoring by differential absorption with a CO2 waveguide laser by Khelkhal, M., Herlemont, F., Lyszyk, M., Lemaire, J.

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Experimental determination of spin-rotation and spin-spin magnetic interactions in by nuclear spin conversion by Cacciani, P., Cosléou, J., Herlemont, F., Khelkhal, M., Legrand, J.

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Experimental determination of spin-rotation and spin-spin magnetic interactions in 13CH3F by nuclear spin conversion by CACCIANI, P, COSLEOU, J, HERLEMONT, F, KHELKHAL, M, LEGRAND, J

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Precise measurement of hyperfine coupling in CH F based on nuclear spin conversion by Chapovsky, P.L., Cosléou, J., Herlemont, F., Khelkhal, M., Legrand, J.

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RF excitation of a flowing gas CO(2) waveguide laser by Khelkhal, M, Herlemont, F

“…Investigation of an RF excited CO(2) waveguide laser in flowing gas operation is reported. Power extraction of 0.8 W/cm with an efficiency of 10.3% has been…”
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RF excitation of a flowing gas CO/sub 2/ waveguide laser by Khelkhal, M., Herlemont, F.

“…Investigation of an RF excited CO/sub 2/ waveguide laser in flowing gas operation is reported. Power extraction of 0.8 W/cm with an efficiency of 10.3% has…”
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