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Previously, the FDA has noted concern about the increased availability of some laser products. According to a March 2013 study by the National Institute of Standards and Technology (NIST), Green 1mW Laser Pointer pen generate green light from infrared light, from which the eye cannot protect itself. In that NIST report, the agency noted that ideally, the device should be designed and manufactured to confine the infrared light within the laser housing. However, according to the NIST results, more than 75 percent of the devices tested emitted infrared light in excess of the Code of Federal Regulations (CFR) limit.
Schumer said in New York incidents of green lasers pointed at aircraft have been numerous and significant. In addition to the most recent one in Jamestown, there were 39 Laser Sights for Handguns incidents between January 1, 2015 and May 15, 2015 in New York City alone. In 2014, there were 17 green laser incidents out of a total 19 laser incidents at JFK airport; 37 green laser incidents out of a total 41 laser incidents at LaGuardia Airport; 20 green laser incidents out of a total 28 at Newark.
There are four major hazard classes (I to IV) of lasers, including three subclasses (IIa, IIIa, IIIb). The higher the class, the more powerful the laser. Consumer Laser 50000mw products include classes I, II and IIIa and lasers for professional use may be in classes IIIb and IV. Laser pointers are included in Class IIIa. The FDA requires warning labels on most laser products, including the power output and the hazard class of the product. Some lasers are strictly for use by medical, industrial or entertainment professionals and can only be used by a person with a license and training.
On condition that users are making use of the most advanced 445nm blue laser diode as its cross line laser source, it can always ensure much more stable and reliable laser beam emission than 473nm blue Laser Pointer Blue 30000mw . Although this crosshair laser gets wide output power up 50mW, however, it can still ensure its quite stable cross line generation as expected. In continuous cross line positioning works, laser tech engineers always pay high attention to its thermal stabilization, thus always making sure of constant power supply for its internal laser diode.
In order to get high efficiency thermal emission performance, laser tech engineer just takes no consideration of formal air or water cool, but just selects metal heat sink as its cooling system. Among all available cooling systems, metal heat sink always gets at least 5 times brighter laser beam emission. When users are taking full consideration of proper size laser tube diameter of 16mm and 26mm, this advanced cross laser alignment tool always gets the most efficient cooling down of internal part of 445nm blue laser diode and electric driving circuit.
Because the FDA has the authority to regulate these lasers and their manufacturers, Schumer is strongly urging the federal agency to make high-powered, green laser pointers unavailable for public sale; they should be restricted to those with a specific professional purpose. Schumer said that while perpetrators convicted of pointing a laser at a plane can be sentenced to 20 years in prison and a $250,000 fine, they are often hard to track down following an incident. Because the products are merely required to have a warning label, Schumer said more must be done to limit public availability in order to protect public health and safety.
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