| Issue |
J. Eur. Opt. Soc.-Rapid Publ.
Volume 5, 2010
|
|
|---|---|---|
| Article Number | 10004 | |
| Number of page(s) | 5 | |
| DOI | https://doi.org/10.1051/jeos.2010.10004 | |
| Published online | 17 January 2009 | |
Regular papers
Improving underwater imaging in an amplitude modulated laser system with radio frequency control technique
ENEA - Italian National Agency for New Technologies, Energy and Sustainable Economic Development, Via. E. Fermi 45, C.P.65, I-00044 Frascati
a luigi.dedominicis@enea.it
b mario.ferridecollibus@enea.it
c giorgio.fornetti@enea.it
d massimiliano.guarneri@enea.it
e marcello.nuvoli@enea.it
f roberto.ricci@enea.it
g massimo.francucci@enea.it
Received:
8
October
2009
We present the results of an experiment aimed to demonstrate the low-pass filter dependence of water backscattered power in an amplitude-modulated laser scanner for underwater 3D imaging. We also demonstrate that improvements in target imaging are obtained by allowing the device to operate in the stop-band region. A simple model is described to account for the physics underlying the effect and suggesting future experimental schemes based on demodulated detection techniques.
Key words: underwater imaging / amplitude-modulated laser / optical noise / water scattering / low-pass filter
© The Author(s) 2010. All rights reserved.
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