C. Delsart
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View article: Photodetachment microscopy to an excited spectral term and the electron affinity of phosphorus
Photodetachment microscopy to an excited spectral term and the electron affinity of phosphorus Open
A beam of P- ions produced by a cesium sputtering ion source was photodetached in the presence of an electric field, with a single-mode ring dye laser. Neutral P can be produced at one or the other of the fine-structure sub-levels of its 3…
View article: Isotope shift in the sulfur electron affinity: Observation and theory
Isotope shift in the sulfur electron affinity: Observation and theory Open
The electron affinities eA(S) are measured for the two isotopes 32S and 34S\n(16752.9753(41) and 16752.9776(85) cm-1, respectively). The isotope shift in\nthe electron affinity is found to be positive, eA(34S)-eA(32S) = +0.0023(70)\ncm-1, …
View article: Photodetachment microscopy with a pulsed laser
Photodetachment microscopy with a pulsed laser Open
Photodetachment microscopy was used in the last years to measure with high precision the electron affinity (eA) of negative atomic and molecular ions. Laser and detection system are modified to develop experiments in the ns pulsed regime. …
View article: Angular distributions in multiphoton detachment of negative halogens
Angular distributions in multiphoton detachment of negative halogens Open
On utilise un laser Nd:YAG pour dtudier le d6tachement multiphotonique des ions F~, Cl~, Br~et I~, £ la longueur d'onde de 1064 nm, au h la longueur d'onde de 532 nm.On s£lectionne angulairement et on compte les 41ectrons produits, de fago…
View article: From regularity to chaos: a direct experimental test using atoms in magnetic field
From regularity to chaos: a direct experimental test using atoms in magnetic field Open
Rksum4.Une exp6rience de spectroscopie a 4t6 r4al1s4e sur des atomes de lithium plong6s dons un fort champ magn6tique (4.9 T) en utilisant une excitation laser k plusieurs 4tages des stats proches de la limite d'ionisation.Un sch4ma d'exdt…
View article: Investigation of the dynamic Stark effect of a J = 0 ↔ J = 1 optical transition
Investigation of the dynamic Stark effect of a J = 0 ↔ J = 1 optical transition Open
The dynamic Stark effect (Autler-Townes splitting and radiative shift) of a J = 0 ↔ J = 1 optical transition have been investigated. The barium atomic beam is illuminated by a strong pump beam, resonant or slightly non-resonant with the Ba…
View article: The optical autler-townes effect in doppler-broadened three-level systems
The optical autler-townes effect in doppler-broadened three-level systems Open
2014 Some features of the optical Autler-Townes effect as observed in Doppler-broadened three-level systems, including the physical significance of the observed line splitting, the conditions for the observation of the doublet, the doublet…