Article | REF: RAD7420 V1

Terrestrial Laser Scanners. Some Clouds for the Geomatic

Author: Vincent BARRAS

Publication date: September 10, 2018

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2. Some considerations about lasers

When purchasing a laser scanner, technical criteria and specifications are important to ensure that the choice of instrument is adapted to the specifications of the mandates to be carried out.

2.1 Classification of laser scanners

Generally speaking, a historical classification divided instruments according to their distance-measuring technique. For surveys of structures, buildings or outdoors, there are two main families:

  • FLIGHT TIME ;

  • phase shift measurement.

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Some considerations about lasers