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Sub-surface laser engraving is the process of engraving an image in a transparent solid material by focusing a laser below the surface to create small fractures. Such engraved materials are of high-grade optical quality (suitable for lenses, with low dispersion) to minimize distortion of the beam.
Bubblegram. 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. The image is composed of many small points of ...
Laser cutting. 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 hobbyists. Laser cutting works by directing the output of a high-power laser most commonly through optics.
Art and engraving on United States banknotes. In early 18th century Colonial America, engravers began experimenting with copper plates as an alternative medium to wood. Applied to the production of paper currency, copper-plate engraving allowed for greater detail and production during printing. It was the transition to steel engraving that ...
Ludwig von Siegen, Countess Amalie Elisabeth of Hanau-Münzenberg, 1642, is the first known mezzotint, using the light to dark method. The mezzotint printmaking method was invented by the German soldier and amateur artist Ludwig von Siegen (1609– c. 1680). His earliest mezzotint print dates to 1642 and is a portrait of Countess Amalie ...
A steel roller for transfer printing with the resulting end product. Transfer printing is a method of decorating pottery or other materials using an engraved copper or steel plate from which a monochrome print on paper is taken which is then transferred by pressing onto the ceramic piece. [1]
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