14 February 2003 Ocean lidar instrument and measurements
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Abstract
This paper describes an ocean lidar system and measurements. The lidar transmitters include a tunable visible laser and IR lasers. The tunable laser transmitter operates between 470 nm and 540 nm. The IR lasers operate at 904 nm and 1064 nm wavelengths. This lidar uses receivers that detect both elastic and in-elastic scattering signals from the atmosphere and water columns. For elastic scattering measurements, the receivers are photo-detectors that couple to multi-channel waveform digitizers. For in-elastic scattering measurements, this lidar uses two different receiver configurations. The first receiver configuration uses a line scan spectrometer that couples to a boxcar integrator. This receiver configuration collects laser-induced spectra as a function of laser transmitter wavelengths by scanning the spectrometer wavelengths during the lidar measurements. The second receiver configuration uses an imaging spectrometer to collect laser-induced spectra in spatial and spectral dimensions. During lidar measurement of the water columns, a PC controls the spectrometers, the waveform digitizer, and the boxcar integrator, using commercially available and custom designed computer interface circuits. This paper describes these lidar transmitters, lidar receivers and data acquisition hardware. The lidar measurements of the ocean water described in this paper use various platforms. These platforms include airborne, shipboard, shore-based and pier-based platforms. These lidar measurements include atmospheric, ocean surface and water column measurements. This paper describes the results of these measurements and the potential applications for marine and coastal environments.
© (2003) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Chung San Lin, Chung San Lin, } "Ocean lidar instrument and measurements", Proc. SPIE 4880, Remote Sensing of the Ocean and Sea Ice 2002, (14 February 2003); doi: 10.1117/12.464286; https://doi.org/10.1117/12.464286
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