Ground state saturated population distribution of OH in an acetylene-air flame measured by two optical double resonance pump-probe approaches

1991 ◽  
Vol 30 (36) ◽  
pp. 5270 ◽  
Author(s):  
Giorgio Zizak ◽  
Giuseppe A. Petrucci ◽  
Christopher L Stevenson ◽  
James D. Winefordner
Keyword(s):  
Ground State ◽  
Population Distribution ◽  
Double Resonance ◽  
Pump Probe ◽  
Optical Double Resonance

Identification of triplet levels by Zeeman studies of microwave–optical double resonance in the system of thioformaldehyde

1994 ◽  
Vol 72 (11-12) ◽  
pp. 1187-1191 ◽  
Author(s):  
T. Weber ◽  
W. Hüttner ◽  
D. A. Ramsay
Keyword(s):  
Magnetic Fields ◽  
Ground State ◽  
Double Resonance ◽  
Optical Double Resonance

Microwave-optical double resonance experiments have been carried out in the presence of magnetic fields on the 410 band of the [Formula: see text] system of thioformaldehyde. Several anticrossings have been observed. The series of levels 60 6, 70 7, …. 120 12 of the 41 Ã1A2 state is shown to be perturbed by the 63 3, 73 4, …. 123 9 levels of the 21 31 ã3A2 state. Two anticrossings involving high vibronic levels of the ground state (X* levels) are explained by interactions with the 85 level of the 2142 ã3A2 state.

Microwave-optical double resonance of HNO in the Ã1A″(000) state

1984 ◽  
Vol 62 (12) ◽  
pp. 1731-1737 ◽  
Author(s):  
J. C. Petersen ◽  
S. Saito ◽  
T. Amano ◽  
D. A. Ramsay
Keyword(s):  
Excited State ◽  
Radio Frequency ◽  
Ground State ◽  
Double Resonance ◽  
Magnetic Effect ◽  
Resonance Spectroscopy ◽  
Centrifugal Distortion ◽  
Rotational Constants ◽  
Optical Double Resonance ◽  
Double Resonance Spectroscopy

Twenty-nine rotational transitions of HNO in the Ã1A″(000) excited state have been measured by microwave-optical, and radio-frequency-optical double resonance spectroscopy. Most of the observed lines are found to be perturbed by a few to a few hundred MHz. Improved values have been obtained for the rotational constants B and C and for the centrifugal distortion constant δJ. MODR lines have also been observed between levels of the Ã1A″ excited state, high rovibronic levels of the [Formula: see text] ground state, and levels of the ã3A″ state. One of the lines shows a larger magnetic effect, suggesting a perturbation by a level of the ã3A″ state.

Microwave optical double resonance of NH2. VI. Ground state of NHD

1980 ◽  
Vol 73 (6) ◽  
pp. 2552-2558 ◽  
Author(s):  
T. C. Steimle ◽  
J. M. Brown ◽  
R. F. Curl
Keyword(s):  
Ground State ◽  
Double Resonance ◽  
Optical Double Resonance
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