Functions and Benefits of Green Laser Pointers
May 5th, 2010
Some of us may not be aware but Green Laser Pointers have been in the business market for quite some time, in fact it has been around for less than a decade. Though for the enthusiast who may not be aware, your typical green variety that boasts of 532nm in wavelength does not run on laser diodes but it derives this quality from the “DPSSFD” breakthrough.
To further elaborate on this process, infrared laser diode pumps a tiny block of Nd: Yvo4 generates a beam at 1,064 nm. Now it feeds a potassium titanyl phosphate intracavity frequency doubler crystal which in turn produces green light boasting of a visibility ranging at 532 nm wavelength. This variety of laser uses lithium triborate and not KTP.
It is nice to know that radiation of infrared spectrum from the output beam of these lasers are removed by an infrared filter found behind the mirror. This babies also operate in pulse/quasi-continuous-wave (QCW) mode. One of the highest powered street laser which is considered legal produces a 5mW power, some may have a 10mW output that can beam out at 20,000 feet in total darkness. And when it comes the issues of safety, the manufacturers devised a 3 second delay so as to avoid visual injuries while using these gadgets. And if you are interested in souping up your green laser pointer, there are extenders found in the market.
Uses:
1. Astronomy has a lot to thank for this devices because now you can specifically point out heavenly bodies with accuracy.
2. Sky gazing also relaxes the mood to some of the enthusiasts
3. For military purposes, it is attached to rifles, guns and other weapons to provide accuracy as laser pointers.
4. Scientific studies
For one, it is nice to take note that compared to the red variety, green laser is 50x brighter and it can withstand the different temperatures like extreme cold or heat without compromising its quality.
It can be noted that having these hi-tech gadgets in your grasp has a lot of perks but we must consider safety above all. With its power capacity, it can cause temporary or permanent damage to a person’s eye. With this said, a simple matured responsibility can make a difference.
Author: Orville Connor
Article Source: EzineArticles.com
Prototype PCB Assembly
Posted in Green Gadgets
