In-lab ALOHA mid-infrared up-conversion interferometer with high fringe contrast @λ = 3.39 μm | Zendy

Ludovic Szemendera | Zendy; P. Darré | Zendy; R. Baudoin | Zendy; Ludovic Grossard | Zendy; Laurent Delage | Zendy; H. Herrmann | Zendy; Christine Silberhorn | Zendy; François Reynaud | Zendy

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In-lab ALOHA mid-infrared up-conversion interferometer with high fringe contrast @λ = 3.39 μm

Author(s) -

Ludovic Szemendera,

P. Darré,

R. Baudoin,

Ludovic Grossard,

Laurent Delage,

H. Herrmann,

Christine Silberhorn,

François Reynaud

Publication year - 2016

Publication title -

monthly notices of the royal astronomical society

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.058

H-Index - 383

eISSN - 1365-8711

pISSN - 0035-8711

DOI - 10.1093/mnras/stw196

Subject(s) - interferometry , physics , monochromatic color , optics , infrared , contrast (vision) , aloha , resolution (logic) , high contrast , contrast ratio , remote sensing , throughput , telecommunications , computer science , wireless , artificial intelligence , geology

International audienceWe report on the implementation of a mid-infrared (MIR) interferometer prototype for furthermore application in the framework of high-resolution imaging in astronomy. This paper demonstrates the possibility to extend to the L band our experimental study performed on the up-conversion interferometer in H band. This in-laboratory preliminary experiment allowed us to get the first fringes with the MIR Astronomical Light Optical Hybrid Analysis (ALOHA) @3.39 μm up-conversion interferometer with a bright quasi monochromatic source (HeNe 3.39 μm). A stable contrast greater than 98 per cent has been reached. This opens the possibility to propose an alternative instrument for the demanding domain of high resolution imaging in the MIR domai

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