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Laser radiation safety is the safe design, use and implementation of lasers to minimize the risk of laser accidents, especially those involving eye injuries. Since even relatively small amounts of laser light can lead to permanent eye injuries, the sale and usage of lasers is typically subject to government regulations.
Catastrophic optical damage (COD), or catastrophic optical mirror damage (COMD), is a failure mode of high-power semiconductor lasers.It occurs when the semiconductor junction is overloaded by exceeding its power density and absorbs too much of the produced light energy, leading to melting and recrystallization of the semiconductor material at the facets of the laser.
Lasers are usually labeled with a safety class number, which identifies how dangerous the laser is: Class 1 is inherently safe, usually because the light is contained in an enclosure, for example in CD players; Class 2 is safe during normal use; the blink reflex of the eye will prevent damage. Usually up to 1 mW power, for example, laser pointers.
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The Spyder III Pro Arctic looks more like a lightsaber than an ordinary laser pointer. The Laws and Lasers: Dangers of Cheap, Powerful Devices Outracing Regulation
They may be cute, and they may be tiny, but a recent study shows mice to have a kill switch that can be flipped on at the flash of a laser. Scientists program lab mice into killing machines using ...
Laser types with distinct laser lines are shown above the wavelength bar, while below are shown lasers that can emit in a wavelength range. The height of the lines and bars gives an indication of the maximal power/pulse energy commercially available, while the color codifies the type of laser material (see the figure description for details).
LFA, Laser flash analysis; LIDAR, Laser Imaging Detection and Ranging) LIDAR speed gun; LISA Pathfinder; LITENING targeting pod; LLM01; LOMAK, Light Operated Mouse And Keyboard; LT PGB; LULI; LULI2000; LaSer UK; Laboratory for Laser Energetics; Laminated object manufacturing; Laser; Laser-assisted new attachment procedure; Laser-based angle ...