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Short title: DOT HS 809 239; Image title: LIDAR Specifications 06-07-2003; Author: A. George Lieberman, NIST: File change date and time: 10:49, 1 April 2016
Atmospheric lidar is a class of instruments that uses laser light to study atmospheric properties from the ground up to the top of the atmosphere. Such instruments have been used to study, among other, atmospheric gases, aerosols, clouds, and temperature.
Lidar has a wide range of applications; one use is in traffic enforcement and in particular speed limit enforcement, has been gradually replacing radar since 2000. [1] Current devices are designed to automate the entire process of speed detection, vehicle identification, driver identification and evidentiary documentation.
Lidar (/ ˈ l aɪ d ɑːr /, also LIDAR, an acronym of "light detection and ranging" [1] or "laser imaging, detection, and ranging" [2]) 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.
Optical cross section (OCS) is a value which describes the maximum amount of optical flux reflected back to the source. [1] The standard unit of measurement is m 2 /sr. OCS is dependent on the geometry and the reflectivity at a particular wavelength of an object.
LIDAR. Ytterbium YAG (Yb:YAG) laser 1.03 μm Laser diode, flashlamp Laser cooling, materials processing, ultrashort pulse research, multiphoton microscopy, LIDAR. Ytterbium: 2 O 3 (glass or ceramics) laser 1.03 μm Laser diode Ultrashort pulse research, [9] Ytterbium-doped glass laser (rod, plate/chip, and fiber) 1. μm Laser diode
According to the New York Times, here's exactly how to play Strands: Find theme words to fill the board. Theme words stay highlighted in blue when found.
The lidar can aim its laser beam in a wide range: its head rotates horizontally, a mirror flips vertically. The laser beam is used to measure the distance to the first object on its path. The time-of-flight 3D laser scanner is an active scanner that uses laser light to probe the subject.