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Concentration-modulation FT emission spectroscopy of TiCl_4/He plasma. Analysis of the C ^4Δ- X ^4 ΦΔv=0 perturbed transitions of TiCl
Hervé Herbin, Robert Farrenq, Guy Guelachvili +1
A TiCl_4/He plasma is observed by high resolution double-modulation FTS using concentration-modulation as a selective detection method. Analysis of the C ^4Δ- X ^4 ΦΔv=0 transition…
N_2O weak lines observed between 3900 and 4050 cm^-1 from long path absorption spectra
Hervé Herbin, Nathalie Picqué, Guy Guelachvili +2
Previously unobserved nitrous oxide transitions around 2.5 m are measured by intracavity laser absorption spectroscopy (ICLAS) analyzed by time-resolved Fourier transform (TRFT)…
Acetylene weak bands at 2.5 m from intracavity Cr2+:ZnSe laser absorption observed with time-resolved Fourier transform spectroscopy
Véronique Girard, Robert Farrenq, Evgeni Sorokin +3
The spectral dynamics of a mid-infrared multimode Cr^2+:ZnSe laser located in a vacuum sealed chamber containing acetylene at low pressure is analyzed by a stepping-mode high-resol…
Cation-like Doppler shifts from a neutral molecule in an electrical discharge
Hervé Herbin, Robert Farrenq, Guy Guelachvili +1
Velocity-modulation Fourier transform emission spectra from a N_2O/He discharge plasma recorded between 1 and 5.5 m are described. Surprisingly, they show Doppler-shifted lines…