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A laser rangefinder, also known as a laser telemeter, is a rangefinder that uses a laser beam to determine the distance to an object. The most common form of laser rangefinder operates on the time of flight principle by sending a laser pulse in a narrow beam towards the object and measuring the time taken by the pulse to be reflected off the ...
Length measurement, distance measurement, or range measurement (ranging) refers to the many ways in which length, distance, or range can be measured. The most commonly used approaches are the rulers, followed by transit-time methods and the interferometer methods based upon the speed of light .
Lidar (/ ˈ l aɪ d ɑːr /, also LIDAR, LiDAR or LADAR, an acronym of "light detection and ranging" or "laser imaging, detection, and ranging") is a method for determining ranges by targeting an object or a surface with a laser and measuring the time for the reflected light to return to the receiver.
19 lut 2019 · I was with the Leica Geosystems in 1993 when we introduced the first Laser Distance Meter (LDM) at the Batimat show in Paris. Like a 1993 cell phone, the first Leica DISTO was the size of a brick and weighed about the same.
25 kwi 2017 · A laser distance meter works by use measuring the time it takes a pulse of laser light to be reflected off a target and returned to the sender. This is known as the "time of flight" principle, and the method is known either as “time of flight” or “pulse” measurement.
Triangulation is a method for distance measurements, often using a laser. It exploits the ability of a laser beam to propagate in a well- collimated form (i.e. with small beam divergence) over large distances.
Lasers: Understanding the Basics. Although lasers range from quantum-dot to football-field size and utilize materials from free electrons to solids, the underlying operating principles are always the same. This article provides the basic information about how and why lasers work.
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