subject: Understanding Cheap Green Laser Pointers [print this page] Understanding Cheap Green Laser Pointers Understanding Cheap Green Laser Pointers
Green laser pointers were introduced into the United States market in 2000. They are the most common diode pumped solid state (DPSS) type of laser pointers. The main feature of the 5mw green laser pointer and the 200mw green laser pointer is its ability to highlight even at night. These green laser pointers can even be used at night to point out to stars. The green light of the laser is generated when infrared laser head is passed through various conductors to generate the green light frequency. The cheap green laser pointers range between 5mw green laser pointer to 200mw green laser pointer frequency. The lower frequency pointers cost much less and the price will increase with the frequency strength.
Doctors warn that extremely strong laser pointers may affect the eye if pointed directly. The light strength can damage the pupil of the eye. 200mw green laser pointer is more of a high frequency laser pointer while a 5mw green laser pointer is low frequency. It is therefore advised to purchase lower frequency laser pointers. Even with the weaker pointer, it is best to avoid pointing to the naked eye. The pointers should only be specifically used to point to presentations on a presentation boards. You should also keep them away from the reach of children.
The frequency-doubled 200mw green laser pointer is a more recent model of the green laser pointer and it is used create finer points. The double 200mw green laser pointer is more expensive but it has a finer effect. It is also more stylish and ideal when you want to leave an impression to the people you are performing a presentation to.
The type of pointers to purchase depends on the use of the laser pointer. For smaller works, it is advisable to purchase the 5mw green laser pointer as it is one of the cheap green laser pointers and easy to work with. However, those seeking a laser pointer for large room presentations should go for the high frequency laser pointer. You can purchase these pointers online or from a local electronics shop or computer parts outlet. However online purchase will always give you a wider variety at much cheaper prices. It is also much easier to compare prices on the internet as you can check through various online dealers. You should however be aware that purchasing from online vendors may also incur shipping costs.
