This process is often replicated to produce blue and violet output beams ... or milliwatts (mW). Specifying a laser pointer's output power not only determines its relative brightness but also ...
A New York teen lost vision in his left eye moments after powering up a “defectively designed,” Chinese-made laser pointer he ...
Blue lasers, lasers that emit a light beam with a wavelength between 400 nm and 500 nm, are key components of various ...
In a new study, researchers at Osaka University have created the world's first compact, tunable-wavelength blue semiconductor ...
A 16-year-old from New York burned his retina and lost vision in his left eye after purchasing a defective laser on Amazon ...
The ability of new blue ... Any laser heat that is applied to a specific spot quickly transfers through to any other materials in contact with the copper. Zapping the metal with very high-power ...
Laser pointers are handheld and battery-powered gadgets which emit a beam of coloured light - usually red, green or blue. They have ... should have a maximum power output of one milliwatt (mW ...
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