Latest developments in active remote sensing at INO

F. Babin; R. Forest; B. Bourliaguet; D. Cantin; P. Cottin; O. Pancrati; S. Turbide; S. Lambert-Girard; F. Cayer; D. Lemieux; J.-F. Cormier; F. Châteauneuf

doi:10.1117/12.930960

15 October 2012 Latest developments in active remote sensing at INO

F. Babin, R. Forest, B. Bourliaguet, D. Cantin, P. Cottin, O. Pancrati, S. Turbide, S. Lambert-Girard, F. Cayer, D. Lemieux, J.-F. Cormier, F. Châteauneuf

Author Affiliations +

Proceedings Volume 8515, Imaging Spectrometry XVII; 85150E (2012) https://doi.org/10.1117/12.930960
Event: SPIE Optical Engineering + Applications, 2012, San Diego, California, United States

Abstract

Remote sensing or stand-off detection using controlled light sources is a well known and often used technique for atmospheric and surface spatial mapping. Today, ground based, vehicle-borne and airborne systems are able to cover large areas with high accuracy and good reliability. This kind of detection based on LiDAR (Light Detection and Ranging) or active Differential Optical Absorption Spectroscopy (DOAS) technologies, measures optical responses from controlled illumination of targets. Properties that can be recorded include volume back-scattering, surface reflectivity, molecular absorption, induced fluorescence and Raman scattering. The various elastic and inelastic backscattering responses allow the identification or characterization of content of the target volumes or surfaces. INO has developed instrumentations to measure distance to solid targets and monitor particles suspended in the air or in water in real time. Our full waveform LiDAR system is designed for use in numerous applications in environmental or process monitoring such as dust detection systems, aerosol (pesticide) drift monitoring, liquid level sensing or underwater bathymetric LiDARs. Our gated imaging developments are used as aids in visibility enhancement or in remote sensing spectroscopy. Furthermore, when coupled with a spectrograph having a large number of channels, the technique becomes active multispectral/hyperspectral detection or imaging allowing measurement of ultra-violet laser induced fluorescence (UV LIF), time resolved fluorescence (in the ns to ms range) as well as gated Raman spectroscopy. These latter techniques make possible the stand-off detection of bio-aerosols, drugs, explosives as well as the identification of mineral content for geological survey. This paper reviews the latest technology developments in active remote sensing at INO and presents on-going projects conducted to address future applications in environmental monitoring.

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F. Babin, R. Forest, B. Bourliaguet, D. Cantin, P. Cottin, O. Pancrati, S. Turbide, S. Lambert-Girard, F. Cayer, D. Lemieux, J.-F. Cormier, and F. Châteauneuf "Latest developments in active remote sensing at INO", Proc. SPIE 8515, Imaging Spectrometry XVII, 85150E (15 October 2012); https://doi.org/10.1117/12.930960

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