375 نانومتر 405 نانومتر 488 نانومتر و 515 نانومتر ليزر لتصنيع المعدات الأصلية. (ب 2)
Some of the most commercially common blue lasers are the diode lasers used in Blu-ray applications which emit 405 nm "violet" light, which is a short enough wavelength to cause fluorescence in some chemicals, in the same way as radiation further into the ultraviolet ("black light") does.
