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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.
A laser glass sculpture of a caffeine molecule. A bubblegram (also known as laser crystal, Subsurface Laser Engraving, 3D crystal engraving or vitrography) is a solid block of glass or transparent plastic that has been exposed to laser beams to generate three-dimensional designs inside.
Laser cutting works by directing the output of a high-power laser most commonly through optics. The laser optics and CNC (computer numerical control) are used to direct the laser beam to the material. A commercial laser for cutting materials uses a motion control system to follow a CNC or G-code of the pattern to be cut onto the material.
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).
The data and its references can be found in the spreadsheet Commercial laser lines.xls (unfortunately Wikipedia does not allow uploading spreadsheets). Currently most of the data is taken from Weber's book Handbook of laser wavelengths [1], with newer data in particular for semiconductor lasers. For quasi-cw lasers (e.g. metal vapor lasers) the ...
Color Laser Engraving is a marking process that uses a MOPA fiber laser source to mark color on a metal surface, such as stainless steel or titanium.. Color marking in this way is not often used as it can be a laborious process, impermanent and is costly - largely due to the machinery involved.
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