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Remote nocturnal bird classification by spectroscopy in extended wavelength ranges |
Applied Optics, Vol. 50, Issue 20, pp. 3396-3411 (2011)
http://dx.doi.org/10.1364/AO.50.003396
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Abstract
We present optical methods at a wide range of wavelengths for remote classification of birds. The proposed methods include eye-safe fluorescence and depolarization lidar techniques, passive scattering spectroscopy, and infrared (IR) spectroscopy. In this paper we refine our previously presented method of remotely classifying birds with the help of laser-induced β-keratin fluorescence. Phenomena of excitation quenching are studied in the laboratory and are theoretically discussed in detail. It is shown how the ordered microstructures in bird feathers induce structural “colors” in the IR region with wavelengths of around
© 2011 Optical Society of America
OCIS Codes
(170.1420) Medical optics and biotechnology : Biology
(280.3640) Remote sensing and sensors : Lidar
(300.2530) Spectroscopy : Fluorescence, laser-induced
(300.6340) Spectroscopy : Spectroscopy, infrared
(280.4991) Remote sensing and sensors : Passive remote sensing
ToC Category:
Remote Sensing and Sensors
History
Original Manuscript: January 4, 2011
Revised Manuscript: May 13, 2011
Manuscript Accepted: May 18, 2011
Published: July 1, 2011
Virtual Issues
Vol. 6, Iss. 8 Virtual Journal for Biomedical Optics
Citation
Patrik Lundin, Per Samuelsson, Sune Svanberg, Anna Runemark, Susanne Åkesson, and Mikkel Brydegaard, "Remote nocturnal bird classification by spectroscopy in extended wavelength ranges," Appl. Opt. 50, 3396-3411 (2011)
http://www.opticsinfobase.org/vjbo/abstract.cfm?URI=ao-50-20-3396
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