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Article #237: Green Laser Pointers Applications and advantages

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Green laser pointers were first roles. They can be used as pointing
commercially sold in the year 2000. They devices. The ability to form a continuous
operate at the wavelength of 532 nm. line in the dark is an added advantage;
Laser diodes of this wavelength are not this has lead to its usage as rescue
available so the green light is obtained lights as it can be seen from miles away.
by the use of "DPSSFD" laser technology. It as been used for laser light shows. It
The process:- is also used for sky gazing as a person
A very high-powered Infrared laser diode can pinpoint a star by using the green
working at 808 nm pumps a tiny block of laser. It can also be as laser pointers
Nd: YVO4 that generates light at 1,064 for guns, rifles. In the movie Alien vs.
nm. This feeds a potassium titanyl Predator it was used as a pointing device
phosphate intracavity frequency doubler on some G36k carbines.
crystal that produces green light of a Advantages:-
visible 532 nm wavelength. High-powered The green laser has many advantages. It
green lasers use lithium triborate is fifty times brighter than a red laser
instead of KTP. because of which it can be seen from
Features:- miles away, this helps in being rescued
An infrared filter, which is behind the if a person is lost. It can also be used
mirror completely, removes the radiation in high-tech weapons for aiming purposes.
of infrared spectrum from the output Because of its high range, Green laser
beam. In order to reduce cooling problems pointers can be equipped in different
and prolong battery life, some green kinds of weapons. High and low
lasers operate in pulse or temperatures do not affect the
quasi-continuous-wave (QCW) mode. The performance of Green laser pointers so in
Class III a laser product gives an output case a person is lost in a desert, he can
power of 5mw. This is the one of still use Green laser pointers to call
highest-powered street legal laser. Some for help, in other case, even if a person
green lasers even have an output of 10 is lost some where in mountains all
mw, which has a range of 20,000 feet in covered with ice, he can still use it.
darkness. Some even have a 3-second delay Disadvantages:-
feature as these are high-powered lasers Due to its high power it can permanently
and can blind a person. Some laser point damage a person's eye. As it can form a
extenders are also available. They work continuous line of light that might
by using lenses to minimize the beam reveal a person's position so it cannot
spread of a laser. Its price starts from be used in stealthy operations or by
55$. Majority of them have a life of SWAT.
around 3000 hours. Green laser is quite awesome but it
Applications:- should be used carefully.
Green lasers can be used for a variety of






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