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Dive into the research topics where J. M. Lenormand is active.

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Featured researches published by J. M. Lenormand.


Optics Letters | 1981

Spatial-asymmetry distribution of a saturated-absorption peak.

A. Le Floch; R. Le Naour; J. M. Lenormand; G. Jezequel

The amount of asymmetry of saturated-absorption peaks observed outside a cavity with two collinearly counter-propagating Gaussian beams is analyzed at different points in the cross section of the probe beam. Although the total beam exhibits a quasi-symmetric line shape, a spatial distribution of asymmetries with different amounts and signs is obtained versus the distance to the beam axis. A simple model taking account of pure focusing and defocusing effects induced by a saturated Gaussian beam leads to agreement between experiment and theory for the 5944-A neon line in the case of saturated-absorption spectroscopy.


Physical Review Letters | 1984

Dynamics of Laser Eigenstates

A. Le Floch; G. Ropars; J. M. Lenormand; R. Le Naour


Physical Review Letters | 1980

Nonlinear frequency-dependent diffraction effect in intracavity resonance asymmetries

A. Le Floch; R. Le Naour; J. M. Lenormand; J.P. Taché


IEEE Journal of Quantum Electronics | 1983

Diffracted light spectroscopy of the 3.39 µm CH 4 system

A. Le Floch; J. M. Lenormand; R. Le Naour; P. Brun


Journal of the Optical Society of America | 1985

Critical geometry in multimode-laser spectra

A. Le Floch; A. Daude; Roger Le Naour; J. M. Lenormand; G. Ropars


Journal De Physique Lettres | 1984

Une géométrie critique des lasers contenant des effets de lentille. II: Commentaire à «sur la longueur critique d'un laser» par G. Stephan

A. Le Floch; J. M. Lenormand; R. Le Naour; J.P. Taché


Archive | 1985

Erratum: Critical geometry in multimode-laser spectra [J. Opt. Soc. Am. B 2, 503-507 (1985)]

A. Le Floch; A. Daude; R. Le Naour; J. M. Lenormand; Guy Ropars


Journal of the Optical Society of America | 1985

Critical geometry in multimode-laser spectra: erratum

A. Le Floch; A. Daude; Roger Le Naour; J. M. Lenormand; G. Ropars


IEEE Journal of Quantum Electronics | 1983

Diffracted light spectroscopy of the 3.39-micron CH4 system

A. Le Floch; J. M. Lenormand; Par A. Brun; Roger Le Naour

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A. Le Floch

Centre national de la recherche scientifique

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A. Le Floch

Centre national de la recherche scientifique

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Roger Le Naour

Centre national de la recherche scientifique

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A. Daude

University of Rennes

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Guy Ropars

Centre national de la recherche scientifique

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P. Brun

University of Rennes

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