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Lunar Laser Ranging experiments. Lunar Laser Ranging (LLR) is the practice of measuring the distance between the surfaces of the Earth and the Moon using laser ranging. The distance can be calculated from the round-trip time of laser light pulses travelling at the speed of light, which are reflected back to Earth by the Moon's surface or by one ...
A laser designator is a laser light source which is used to designate a target. Laser designators provide targeting for laser-guided bombs, missiles, or precision artillery munitions, such as the Paveway series of bombs, AGM-114 Hellfire, or the M712 Copperhead round, respectively. When a target is marked by a designator, the beam is invisible ...
Europa Clipper →. Double Asteroid Redirection Test (DART) was a NASA space mission aimed at testing a method of planetary defense against near-Earth objects (NEOs). [ 4 ][ 5 ] It was designed to assess how much a spacecraft impact deflects an asteroid through its transfer of momentum when hitting the asteroid head-on. [ 6 ]
In a rotating ring laser gyroscope, the two counter-propagating waves are slightly shifted in frequency and an interference pattern is observed, which is used to determine the rotational speed. The response to a rotation is a frequency difference between the two beams, which is proportional [ 1 ] to the rotation rate of the ring laser ( Sagnac ...
It uses two telescopes, a 1.5-meter (59 in) f/2 telescope on the peak of Mount Lemmon, and a 68-centimeter (27 in) f/1.7 Schmidt telescope near Mount Bigelow (both in the Tucson, Arizona area). In 2005, CSS became the most prolific NEO survey surpassing Lincoln Near-Earth Asteroid Research (LINEAR) in total number of NEOs and potentially ...
The word laser is an anacronym that originated as an acronym for light amplification by stimulated emission of radiation. [ 1 ][ 2 ] The first laser was built in 1960 by Theodore Maiman at Hughes Research Laboratories, based on theoretical work by Charles H. Townes and Arthur Leonard Schawlow.
The ELI Beamlines Facility located in Dolní Břežany, Czech Republic. The Extreme Light Infrastructure (ELI ERIC) is a research organization with the world's largest collection of high power-lasers. [1] ELI operates several high-power, high-repetition-rate laser systems which enable the research of physical, chemical, materials, and medical ...
Nova (laser) View down Nova's laser bay between two banks of beamlines. The blue boxes contain the amplifiers and their flashtube "pumps", the tubes between the banks of amplifiers are the spatial filters. Nova was a high-power laser built at the Lawrence Livermore National Laboratory (LLNL) in California, United States, in 1984 which conducted ...