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A laser pointer or laser pen is a (typically battery-powered) handheld device that uses a laser diode to emit a narrow low-power visible laser beam (i.e. coherent light) to highlight something of interest with a small bright colored spot.
Another military use of lasers is as a laser target designator. This is a low-power laser pointer used to indicate a target for a precision-guided munition , typically launched from an aircraft. The guided munition adjusts its flight-path to home in to the laser light reflected by the target, enabling a great precision in aiming.
700 TW (700×10 12 W)—National Ignition Facility, a 192-beam, 1.8-megajoule laser system adjoining a 10-meter-diameter target chamber; 10 PW (10×10 15 W)—world's most powerful laser as of 2019, located at the ELI-NP facility in Măgurele, Romania. Safety
Laser pointers are used by the general public; sometimes they will be accidentally or deliberately aimed at or near aircraft. Lasers are even used, or proposed for use, with aircraft. Pilots straying into unauthorized airspace over Washington, D.C. can be warned to turn back by shining eye-safe low-power red and green lasers at them.
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.
Targeting pods (TGP) are target designation tools used by attack aircraft for identifying targets and guiding precision-guided munition (PGM) such as laser-guided bombs to those targets. The first targeting pods were developed in conjunction with the earliest generation of PGMs in the mid-1960s.
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