A laser pointer is a laser shaped like a pen that is designed to be portable and hand held
Posted Nov 28 2012 2:34am
Laser technology is the most often used for lighting on the stage so that the stage becomes more attractive and trendy look. Single RED Laser Pointer Pen Show was equipped by voice control that can automatically turn off if there is no sound from the sound system, so that every stage of the songs performed by the singers and the Disk Jockey will be in setting automatically with this tool. Be careful, do not let this laser beam directly on your eyes because of the power output exceeds 1 mw issued, because it can damage the retina of the eye. In addition to the many benefits to the entertainment industry, then you remain alert to the use of 100 mw red laser is specifically for the security of your eye.
Inevitably, when we hear the term “laser, ” we think of science fiction, ray guns, blasters, and so forth-if you’re like me, the very first thing that comes to mind is “Han shot first! ” Regardless, it’s worth considering what, exactly, a laser is. A very basic comprehension of lasers, specifically laser diodes, can provide a greater appreciation for just how essential lasers are to everyday life today.
Inevitably, when we hear the term “laser, ” we think of science fiction, ray guns, blasters, and so forth-if you’re like me, the very first thing that comes to mind is “Han shot first! ” Regardless, it’s worth considering what, exactly, a laser is. A very basic comprehension of lasers, specifically laser diodes, can provide a greater appreciation for just how essential lasers are to everyday life today. The most accessible Green Laser Pointers are, not surprisingly, the now common laser pointers and gun-sights. In the USA, the power output of any pointer’s laser driver is restricted to 5 mW or less. A short time ago, however, infrared laser modules which can output up to 1000 mW are becoming available at an affordable cost. Although the high temperature generated by these high-output laser diodes is difficult to dissipate, hand-held laser diodes that emit a level of light bright enough to distract airplane pilots at night are on the market. These have already been disallowed in many countries around the world, including the Usa.
Because lasers are available in color ranges from green, blue, red, purple, and yellow, understanding the differences is important. We're all aware of the visible difference from one color to the next, but an important thing to remember is that green lasers at 532nm are always the brightest at the same output power. That means that a 50mW green laser is 7 to 10 times brighter than a 50mW of any other color.
When you've selected your choice of color, now you need to think about the amount of output power you'll need. cheap 200mw lasers come from 5mW all the way up to 1, 000mW and more, so the important thing to ask yourself is "what will I be using the laser for? " If you want the ability to light matches you'll need 200mW or more and the higher the better. To see the entire beam, not just the dot, during daytime you'll need something very strong and at night even something as low as 5mW green will be suitable for star gazing.