Sep 06 2010
Applications Of Lasers In The Military – Military Lasers
Lasers, at times, seem like weapons only seen science fiction movies. Many actually do not realize lasers are a part of our daily lives being used in DVD players, printers, scanners, laser pointers and more. In addition to its common uses, lasers are actively being used in the military and are an integral part of many military activities and missions.
Lasers are an excellent tool for ranging, that is, they can be used to determine the distance between locations or objects. Ranging devices are composed of a laser and a sensor. When the laser is fired at a far away object, the time it takes for the laser beam to bounce off this object and return to the sensor is measured. We know that a laser travels at the speed of light or 3×10^8 m/s. Using this knowledge, we can accurately calculate the distance between locations and objects. Using the same method, the distance of the moon from the earth’s crust was accurately measured.
Another major use of lasers is in target designation. Target designation is the use of lasers to pin point a specific location or target. The military often times us a low power infrared or IR lasers. Infrared lasers are invisible to the human eyes. In order to see IR radiation, a special type of IR goggles must first be worn. Therefore, by using infrared light, a specific target can be secretly targeted. Fighter jets often make use of this technology to secretly and precisely aim missiles and other destructive weaponry.
Because coins, no matter what their significance, are always sought after by collectors. Many feel that this cheapens the military unit coin because anybody can obtain one who wants to do so. Those who usually collect such coins have no desire to use them as a challenge coin so most collections are sealed and hidden away.
Recently, portable handheld lasers have been developed as eye targeted lasers. By un-focusing a laser beam to cover a large area, eye targeted lasers are capable of momentarily blinding and immobilizing enemy units without physically harming them. These have been used in riot situations.
Lastly, lasers can be used as laser sights and laser pointers. A laser sight is a device that is attached to a firearm. The laser beam is aligned to offer the accurate and precision aim for the firearm. Laser sights can be infrared, red, blue or green in color. Military personnel and police agents often times carry a laser pointer with them to accurately point to far away objects. Due to the intensity of light, long distance of visibility, and portability, laser pointers are often carried around for pointing at objects, search and rescue, lighting dark areas far away, and much more.
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