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Article Dans Une Revue Applied optics Année : 2016

Optical turbulence in confined media: part I, the indoor turbulence sensor instrument

Julien Chabé
Flavien Blary
  • Fonction : Auteur
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  • IdRef : 192273825
Aziz Ziad
Arnaud Liotard
  • Fonction : Auteur

Résumé

Optical system performances can be affected by local optical turbulence created by its surrounding environment (telescope dome, clean room, atmospheric surface layer). We present our new instrument INdoor TurbulENce SEnsor (INTENSE) dedicated to this local optical turbulence characterization. INTENSE consists of using several parallel laser beams separated by non-redundant baselines between 0.05 and 2.5 m and measuring the angle of arrival fluctuations from spot displacements on a CCD. After introducing the theoretical background, we give a description of the instrument including a detailed characterization of instrumental noise and, finally, give the first results for the characterization of the turbulence inside clean rooms for optical systems studies.
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Dates et versions

hal-01740163 , version 1 (21-03-2018)

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Julien Chabé, Flavien Blary, Aziz Ziad, Julien Borgnino, Yan Fanteï-Caujolle, et al.. Optical turbulence in confined media: part I, the indoor turbulence sensor instrument. Applied optics, 2016, 55 (25), ⟨10.1364/AO.55.007068⟩. ⟨hal-01740163⟩
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