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COIL (chemical oxygen–iodine laser) 1.315 μm (<70% atmospheric transmittance) Chemical reaction in a jet of singlet delta oxygen and iodine Military lasers, scientific and materials research. Can operate in continuous wave mode, with power in the megawatt range. Agil (All gas-phase iodine laser) 1.315 μm (<70% atmospheric transmittance)
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.
Recording data using a femtosecond-laser was first proposed and demonstrated in 1996. [1] [14] [15] The storage medium consists of fused quartz, where the spatial dimensions, intensity, polarization, and wavelength are used to modulate data. By introducing gold or silver nanoparticles embedded in the material, their plasmonic properties can be ...
The laser printer was invented at Xerox PARC in the 1970s. Laser printers were introduced for the office and then home markets in subsequent years by IBM, Canon, Xerox, Apple, Hewlett-Packard and many others. Over the decades, quality and speed have increased as prices have decreased, and the once cutting-edge printing devices are now ubiquitous.
Engraving had been used by goldsmiths to decorate metalwork, including armor, musical instruments and religious objects since ancient times, and the niello technique, which involved rubbing an alloy into the lines to give a contrasting color, also goes back to late antiquity. Scholars and practitioners of printmaking have suggested that the ...
Optical tweezers have proven useful in other areas of biology as well. They are used in synthetic biology to construct tissue-like networks of artificial cells, [7] and to fuse synthetic membranes together [8] to initiate biochemical reactions. [7] They are also widely employed in genetic studies [9] and research on chromosome structure and ...
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