Kecheng Yang et al 2002 J. Phys. D: Appl. Phys. 35 935 doi:10.1088/0022-3727/35/9/316
Kecheng Yang, Xiao Zhu, Yi Li, Jinzhang Lin, Hui Yang and Zaiguang Li
Show affiliationsThis paper describes a polarization detection method to compress a large dynamic range of laser returned signals from water surface and underwater in an airborne laser bathymetry system. The experimental results show that the method can compress the dynamic range of returned signals by more than one order of magnitude. The laser reflection on the water surface and underwater backscatter is considerably reduced without significantly affecting the laser returned signals from the underwater target.
91.50.Ga Bathymetry and noncoastal underwater morphology
42.62.Eh Metrological applications; optical frequency synthesizers for precision spectroscopy
93.85.-q Instruments and techniques for geophysical research: Exploration geophysics
42.68.Wt Remote sensing; LIDAR and adaptive systems
42.79.Qx Range finders, remote sensing devices; laser Doppler velocimeters, SAR, and LIDAR
92.05.Hj Physical and chemical properties of seawater (salinity, density, temperature)
Instrumentation and measurement
Issue 9 (7 May 2002)
Received 2 January 2002, in final form 12 March 2002
Published 16 April 2002
Kecheng Yang et al 2002 J. Phys. D: Appl. Phys. 35 935
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