e/EN 207

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has glosseng: EN 207 is the European norm for laser safety eyewear. Any laser eye protection sold within the European Community must be certified and labeled with the CE mark. According to this standard, laser safety glasses should not only absorb laser light of a given wavelength, but they should also be able to withstand a direct hit from the laser without breaking or melting. In this respect, the European norm is more strict than the American norm (ANSI Z 136) that only regulates the required optical density. More precisely, the safety glasses should be able to withstand a continuous wave laser for 10 seconds, or 100 pulses for a pulsed laser.
lexicalizationeng: EN 207
instance of(noun) an acronym for light amplification by stimulated emission of radiation; an optical device that produces an intense monochromatic beam of coherent light
optical maser, laser
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