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  2. Laser engraving - Wikipedia

    en.wikipedia.org/wiki/Laser_engraving

    Laser engraving metal plates are manufactured with a finely polished metal, coated with an enamel paint made to be "burned off". At levels of 10 to 30 watts, excellent engravings are made as the enamel is removed quite cleanly. Much laser engraving is sold as exposed brass or silver-coated steel lettering on a black or dark-enamelled background.

  3. Laser cutting - Wikipedia

    en.wikipedia.org/wiki/Laser_cutting

    Diagram of a laser cutter Laser cutting process on a sheet of steel CAD (top) and stainless steel laser-cut part (bottom) Laser cutting is a technology that uses a laser to vaporize materials, resulting in a cut edge. While typically used for industrial manufacturing applications, it is now used by schools, small businesses, architecture, and ...

  4. Optical amplifier - Wikipedia

    en.wikipedia.org/wiki/Optical_amplifier

    The erbium-doped fiber amplifier (EDFA) is the most deployed fiber amplifier as its amplification window coincides with the third transmission window of silica-based optical fiber. The core of a silica fiber is doped with trivalent erbium ions (Er 3+ ) and can be efficiently pumped with a laser at or near wavelengths of 980 nm and 1480 nm, and ...

  5. Fiber disk laser - Wikipedia

    en.wikipedia.org/wiki/Fiber_disk_laser

    A fiber disk laser is a fiber laser with transverse delivery of the pump light. They are characterized by the pump beam not being parallel to the active core of the optical fiber (as in a double-clad fiber ), but directed to the coil of the fiber at an angle (usually, between 10 and 40 degrees).

  6. Laser beam machining - Wikipedia

    en.wikipedia.org/wiki/Laser_beam_machining

    Milling with a laser is a three dimensional process that requires two lasers, but drastically cuts costs of machining parts. [2] [7] Lasers can be used to change the surface properties of a workpiece. The appliance of laser beam machining varies depending on the industry. In light manufacturing the machine is used to engrave and to drill other ...

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