ALOHA—Astronomical Light Optical Hybrid Analysis From experimental demonstrations to a MIR instrument proposal

This paper gives an overview of the Astronomical Light Optical Hybrid Analysis (ALOHA) project dedicated to investigate a new method for high resolution imaging in mid infrared astronomy. This proposal aims to use a non-linear frequency conversion process to shift the thermal infrared radiation to a...

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Bibliographic Details
Published inExperimental astronomy Vol. 46; no. 3; pp. 447 - 456
Main Authors Lehmann, L., Darré, P., Szemendera, L., Gomes, J. T., Baudoin, R., Ceus, D., Brustlein, S., Delage, L., Grossard, L., Reynaud, F.
Format Journal Article
LanguageEnglish
Published Dordrecht Springer Netherlands 01.12.2018
Subjects
Astronomy
Chemistry and Earth Sciences
Computer Science
Future of Optical-infrared Interferometry in Europe
Observations and Techniques
Original Article
Physics
Physics and Astronomy
Statistics for Engineering
High angular resolution
Optical fibre
Aperture synthesis
Sum-frequency generation
Non-linear optics
Interferometry
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Summary:This paper gives an overview of the Astronomical Light Optical Hybrid Analysis (ALOHA) project dedicated to investigate a new method for high resolution imaging in mid infrared astronomy. This proposal aims to use a non-linear frequency conversion process to shift the thermal infrared radiation to a shorter wavelength domain compatible with proven technology such as guided optics and detectors. After a description of the principle, we summarise the evolution of our study from the high flux seminal experiments to the latest results in the photon counting regime.
ISSN:0922-6435
1572-9508
DOI:10.1007/s10686-018-9585-2