scholarly journals Approaching the transit time limit for high-precision spectroscopy on metastable CO around 6 μm

2019 ◽  
Vol 21 (44) ◽  
pp. 24506-24511 ◽  
Author(s):  
D. D'Ambrosio ◽  
S. Borri ◽  
M. Verde ◽  
A. Borgognoni ◽  
G. Insero ◽  
...  
Keyword(s):  
High Resolution ◽  
Line Width ◽  
High Precision ◽  
Transit Time ◽  
Molecular Beam ◽  
Time Limit ◽  
High Resolution Spectroscopy ◽  
Precision Spectroscopy ◽  
Spectroscopy Experiment ◽  
Measured Line

We present a high-resolution spectroscopy experiment, based on a molecular beam setup, which pushes the measured line width close to the transit time limit, on the order of 100 kHz.

Inversion Motion and S1Equilibrium Geometry of 4-Fluoroaniline:  Molecular Beam High-Resolution Spectroscopy and ab Initio Calculations

1999 ◽  
Vol 103 (45) ◽  
pp. 8946-8951 ◽  
Author(s):  
M. Becucci ◽  
E. Castellucci ◽  
I. López-Tocón ◽  
G. Pietraperzia ◽  
P. R. Salvi ◽  
...  
Keyword(s):  
High Resolution ◽  
Ab Initio Calculations ◽  
Ab Initio ◽  
Molecular Beam ◽  
High Resolution Spectroscopy

High-resolution spectroscopy of the (000)–(000) band of the CaOD radical

1994 ◽  
Vol 72 (11-12) ◽  
pp. 1200-1205 ◽  
Author(s):  
Mingguang Li ◽  
John A. Coxon
Keyword(s):  
High Resolution ◽  
Gas Phase ◽  
Ground State ◽  
Measurement Accuracy ◽  
Isotope Effects ◽  
Spin Rotation ◽  
High Resolution Spectroscopy ◽  
Rotational Line ◽  
Measured Line ◽  
Line Positions

The [Formula: see text] (000)–(000) band of the gas-phase CaOD radical has been rotationally analyzed using high-resolution laser spectroscopy. The technique of intermodulated fluorescence was employed to resolve the small spin-rotation splittings in the ground state. The measurement accuracy of the rotational line positions was 0.003 cm−1. The measured line positions have been employed in a least-squares estimation of the molecular constrants for both electronic states. Isotope relations between the constants of CaOH and CaOD are examined, and the constants AD and γ for the Ã2Π(000) level were separated using isotope effects.

High-resolution spectroscopy with a molecular beam at 10.6 μm

2000 ◽  
Vol 63 (1) ◽  
Author(s):  
A. Amy-Klein ◽  
L. F. Constantin ◽  
R. J. Butcher ◽  
G. Charton ◽  
Ch. Chardonnet
Keyword(s):  
High Resolution ◽  
Molecular Beam ◽  
High Resolution Spectroscopy
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