Characterizing fluorescence and reflectance properties of Arctic macroalgae as future LiDAR targets

Matthieu Huot; Eric Rehm; Fraser Dalgleish; Michel Piché; Simon Lambert-Girard; Philippe Archambault

doi:10.1117/12.2310047

25 May 2018 Characterizing fluorescence and reflectance properties of Arctic macroalgae as future LiDAR targets

Matthieu Huot, Eric Rehm, Fraser Dalgleish, Michel Piché, Simon Lambert-Girard, Philippe Archambault

Proceedings Volume 10631, Ocean Sensing and Monitoring X; 106310X (2018) https://doi.org/10.1117/12.2310047
Event: SPIE Defense + Security, 2018, Orlando, FL, United States

Abstract

We consider the characteristics of macroalgal (kelp) targets of a LiDAR capable of assessing algal 3D morphology and quantifying algal biomass via fluorescence or differential absorption. Spectral absorption, fluorescence emission, fluorescence efficiency, and temporal fluorescence induction dynamics of Arctic algae can differ by class due to variation in photopigment complement. Surface reflectance characteristics of macroalgae can vary by morphology and structure. In this, work, we present an investigation of fluorescence via excitation-emission spectra of Arctic macroalgal targets. Simulations using these optical characteristics will later guide us in optimizing LiDAR configuration and performance under various operating conditions.

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Matthieu Huot, Eric Rehm, Fraser Dalgleish, Michel Piché, Simon Lambert-Girard, and Philippe Archambault "Characterizing fluorescence and reflectance properties of Arctic macroalgae as future LiDAR targets", Proc. SPIE 10631, Ocean Sensing and Monitoring X, 106310X (25 May 2018); https://doi.org/10.1117/12.2310047

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KEYWORDS

LIDAR

Absorption

Reflectivity

Sensors

Oceanography

Bidirectional reflectance transmission function

Fluorescence spectroscopy

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