Green Beam Laser
Off beam: Kuwaitis target Socceroos with lasers
Officials will investigate the use of laser lights by Kuwaiti fans trying to distract the Socceroos during a thrilling Asian Cup qualifier today.
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A blue laser beam is produced at a visible light frequency of 473nm using an advanced laser crystal. Since its wide scale release, the blue laser diode has seen persistent jumps in designs as well as sales world wide. What originally started as a bulky box laser device has evolved with the times until today 473nm blue laser pointers are available in hundreds, even thousands, of different varieties. There is, however, some concern about buying cheap blue laser pointers. This is because the diode is relatively new to the market and many laser technicians are unfamiliar with working on the blue laser crystals. Its no surprise that it took several years from the creation of the 473nm blue laser beam before hand held laser pointers were made available.

Laser hobbyists and professionals are quite used to the site of a powerful green laser or red laser pointer, so when Shuji Nakamura first released his blue LED to an open market, there was a huge rush by major corporations to catch up with the times. Of course, when the word that a beautiful blue laser beam could now be produced on a large scale, the demand for a 473nm blue laser pointer began to grow and grow. Finally, in the year 2005, the online market started to see many laser retailers try to promote and advertise their newly designed blue handheld lasers.

However, in the beginning sales were a bit stagnant. The portable blue laser diode was fairly "infant" and many designers were having trouble creating high quality hand held blue laser pointers that would actually be able to maintain some consistent output. The problem that most manufacturers would run into was that a blue laser crystal is far harder to design into a convenient solid state laser pointer than its red or green predecessor. For the first several models, or generations, of most 473 nm blue lasers was fairly poor. Many users reported diodes that would burn out, or the beam would diverge, or not be very visible, or even start to produce a purple beam at lower temperatures. The outlook for the beginning of the blue laser pointer was not a very bright one.

But with time comes change. Today, you can find some of the most advanced laser pointers in the world at 473nm blue. Designs have even improved so much so that certain blue laser pointers are shock resistant and even waterproof lasers up to several hundred meters. The demand for high quality and high power blue laser pens has really pushed laser designers to strive for market dominance. A good blue laser model can really go a long way as there is little competition for manufacturers in comparison to green or red lasers. If you are considering to buy blue laser pointers, be sure that you do a little bit of research before jumping right in and purchasing a 473nm blue laser. All blue lasers are not created equal!

James is an avid user and promoter of 473nm blue laser beam technology. He has written and spoken extensively on the use and improvements of blue laser technology. His preferred retailer for 473nm blue laser pointers is, well known, ThinkLasers.com.

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