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Green laser pointer appeared in market in approximately in the year 2000. Green laser pointers are considered to be the most common type of DPSS lasers and these are far more complicated than the generic red laser pointers as far as manufacturing technology and usage are concerned. The green laser point has wide range of business and practical usage. The doctors, engineers and people of other professions also use green laser pointer for training and lecture sessions in a seminar. Green laser pointer generates green light in a complex manner. There are some green laser pointers that can function in pulse or quasi-continuous wave mode. Green laser pointer has enhanced the efficiency of the colored video projectors and has enabled us to use them during business or corporate presentations. The technology used for making green laser pointer is so modern and complex that it ensures that the beam that radiates from it can be visible even in night or dim light also. This has made it so popular in the business community. Apart from this, the astronomers are using green laser pointer to point out constellations and stars. According to strength of the beam produced, green laser pointer can be of different types. But amongst them the most demanded and safest one is the one that has an output power of 5MW. Doctors are of opinion that any output power higher than this may cause certain problems. Doctors have also reported that there have been cases of permanent ophthalmic damage due to high power output green laser pointer. Operation voltage, that green laser pointer uses is 3.00~3.6V. For necessary power supply the green laser pointer takes in a CR2 battery. Keeping in mind the nature of usage the designing part of green laser pointer has been specially taken care of. Manufacturers of green laser pointers have recruited specially trained and efficient technocrats who, in consultation with the designing team, have created the standard size and dimension of green laser pointer. It is not to mention that in this competitive electronic gadget market, the price offerings are also lucrative from varied manufacturing houses, as all are trying to grab this emerging market for green laser pointer.
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