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Article Dans Une Revue Molecular Physics Année : 2010

Simulation of Dicke-narrowed molecular spectra recorded by off-axis high-finesse optical cavities

Résumé

We present simulations of molecular spectral profiles recorded in Dicke narrowing regime by off-axis high-finesse optical cavities. The influence of experimental parameters on the transmitted lineshapes is investigated on the basis of a model which takes into account the effect of the cavity transfer function. In particular, the collisional narrowing pressure range is found to shrink until disappearance as the molecular absorption increases. We also show that fitting the measured lineshapes with a pure Galatry function, i.e. neglecting instrumental effects, may lead to discrepancies of several tens percent in the extracted line parameters.

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Dates et versions

hal-00588665 , version 1 (26-04-2011)

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Pasquale Maddaloni, Pietro Malara, Paolo de Natale. Simulation of Dicke-narrowed molecular spectra recorded by off-axis high-finesse optical cavities. Molecular Physics, 2010, 108 (06), pp.749-755. ⟨10.1080/00268971003601571⟩. ⟨hal-00588665⟩

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