Riegl GmbH (Distributed by Riegl USA)

http://www.rieglusa.com/products/terrestrial/vz-400/index.shtml

The Riegl VZ400 3D Terrestrial Laser Scanner provides high speed, non contact data acquisition using a narrow infrared laser beam and a fast scanning mechanism. The Riegl VZ400 is a very compact and lightweight surveying instrument, mountable in any orientation and even under limited space conditions. Riegl’s RiScan Pro software provides seamless processing of data from acquisition to system calibration, and pre-processing.

The VZ 400 has been released with an impressive 125,000 measurements per second and an accuracy of 2mm. In addition to the incredible speed and accuracy of theVZ 400, there has been a great deal of excitement in response to the incredible data produced with the VZ-400s full waveform technology. The full waveform retrieves amazingly detailed data, due to its multiple return capacity. A system based on echo digitization, such as this full waveform system, offers more information per laser pulse. This additional information, including depth, roughness, and slope, allows valuable characteristics of the interfering targets to be inferred. Traditionally scanners provided amplitude readings for measurements as numbers, without specifying the physical meaning of the number. The VZ-400 provides amplitude for every target echo. The amplitude is actually defined as a ratio of the actual detected optical amplitude of the echo pulse versus detection threshold. The V-Line introduces measurements of the laser radar cross-section by providing a so called reflectivity value for each target echo. The reflectivity value gives the ratio of the actual optical amplitude versus the optical amplitude of a diffuse white target at the same range The technology also allows for the penetration of dense foliage. This information has allowed remarkable post processing data results.

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