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Applied Optics

Applied Optics


  • Editor: Glenn D. Boreman
  • Vol. 44, Iss. 33 — Nov. 20, 2005
  • pp: 7130–7135

Underwater three-dimensional imaging with an amplitude-modulated laser radar at a 405 nm wavelength

Luciano Bartolini, Luigi De Dominicis, Mario Ferri de Collibus, Giorgio Fornetti, Massimiliano Guarneri, Emiliano Paglia, Claudio Poggi, and Roberto Ricci  »View Author Affiliations

Applied Optics, Vol. 44, Issue 33, pp. 7130-7135 (2005)

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We report the results of underwater imaging with an amplitude-modulated single-mode laser beam and miniaturized piezoactuator-based scanning system. The basic elements of the device are a diode laser source at 405 nm with digital amplitude modulation and a microscanning system realized with a small-aperture aspheric lens mounted on a pair of piezoelectric translators driven by sawtooth waveforms. The system has been designed to be a low-weight and rugged imaging device suitable to operate at medium range (∼10 m) in clear seawater as also demonstrated by computer simulation of layout performance. In the controlled laboratory conditions a submillimeter range accuracy has been obtained at a laser amplitude modulation frequency of 36.7 MHz.

© 2005 Optical Society of America

OCIS Codes
(010.3920) Atmospheric and oceanic optics : Meteorology
(110.0110) Imaging systems : Imaging systems

ToC Category:
Imaging Systems

Original Manuscript: June 15, 2005
Revised Manuscript: July 25, 2005
Manuscript Accepted: July 26, 2005
Published: November 20, 2005

Luciano Bartolini, Luigi De Dominicis, Mario Ferri de Collibus, Giorgio Fornetti, Massimiliano Guarneri, Emiliano Paglia, Claudio Poggi, and Roberto Ricci, "Underwater three-dimensional imaging with an amplitude-modulated laser radar at a 405 nm wavelength," Appl. Opt. 44, 7130-7135 (2005)

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