Near-infrared active polarimetric and multispectral laboratory demonstrator for target detection

Mehdi Alouini (1) , François Goudail (2) , Arnaud Grisard (3) , Jérôme Bourderionnet (3) , Daniel Dolfi (3) , Arnaud Bénière (2, 3) , Ivar Baarstad (4) , Trond Løke (4) , Peter Kaspersen (4) , Xavier Normandin (5) , Gérard Berginc (5)

1 Photonique et Lasers
2 Laboratoire Charles Fabry de l'Institut d'Optique / Scop
3 Thales Research and Technology [Palaiseau]
4 NEO - Norsk Elektro Optikk AS
5 Thalès Optronique

We report on the design and exploitation of a real-field laboratory demonstrator combining active polarimetric and multispectral functions. Its building blocks, including a multiwavelength pulsed optical parametric oscillator at the emission side and a hyperspectral imager with polarimetric capability at the reception side, are described. The results obtained with this demonstrator are illustrated on some examples and discussed. In particular it is found that good detection performances rely on joint use of intensity and polarimetric images, with these images exhibiting complementary signatures in most cases.

Domaines: Optique [physics.optics]

Mehdi Alouini, François Goudail, Arnaud Grisard, Jérôme Bourderionnet, Daniel Dolfi, et al.. Near-infrared active polarimetric and multispectral laboratory demonstrator for target detection. Applied optics, 2009, 48 (8), pp.1610. ⟨10.1364/AO.48.001610⟩. ⟨hal-00665115⟩