Laser pointers used to be the sole domain

Laser pointers used to be the sole domain

This ultimate designed 5mW Red Laser pointer is the best gadget for presentation and lecture.This middle finger long laser is operated at single LR44 batteries. That's why it is very little in size. Mini 5mW red laser pointer adopts aluminum alloy material to achieve the most durable structure in various operation circumstances.

Laser pointers used to be the sole domain of business presentation makers and public speakers, but now they're ubiquitous. As many pet owners (and pet toy producers) have realized, cats love chasing little bright dots. Given minimal precautions, laser pointers are safe toys that keep your cat active and happy.

Green laser pointers have become a popular consumer item, delivering light that's brighter to the eye than red lasers, but stories have circulated on the Web about the potential hazards of budget models. Now, a team led by physicist Charles Clark at the National Institute of Standards and Technology (NIST) puts some numbers to the problem. In one case, the group found that a green laser pointer emitted almost twice its rated power level of light - but at invisible and potentially unsafe infrared wavelengths rather than green.

A new NIST technical note* describes the nature of the problem as well as a home test using an budget webcam that can detect excess infrared light from green lasers.Late last year, the research team purchased three low-cost green laser pointers advertised to have a power output of 10 milliwatts (mW). Measurements showed that one unit emitted dim green light but delivered infrared levels ofnearly20 mW - powerful enough to cause retinal damage to an individual before he or she is aware of the invisible light.

Federal regulations also limit the sale of Laser Pointer with more than 5 milliwatts of power.A couple has been arrested after a Cat Chasing Laser Pointer was allegedly pointed at a Los Angeles County sheriff's helicopter during a training exercise.

Sheriff's officials say the incident occurred Tuesday night in Agoura Hills. The flight crew notified patrol deputies that a 10000mW 532nm green laser pointer had been pointed at the helicopter from a home in the 5300 block of Francisca Way in Agoura Hills.

Deputies were directed to a home, where they arrested 31-year-old Christopher Cooper of Lake Elsinore and 32-year-old Tanjelina Meredith of San Juan Capistrano, who were visiting a friend at the Agoura Hills home, on suspicion of discharging a 500mw Laser Pointer Green at an aircraft, a felony.Federal regulations also limit the sale of Laser Pointer with more than 5 milliwatts of power. State Sen.

http://phoneapple.blog.ba/blog/wholesale-cheap-business-laser-pen/general/2015/12/19/how-does-powerful-laser-light-affect-the-eyes

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