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Laser Write For Us- A laser is a device that releases light through an optical amplification process based on the stimulated emission of electromagnetic radiation. The word “laser” is an abbreviation for “light amplification by stimulated emission”. The first laser was built in 1960 by Theodore H. Maiman at Hughes Research Laboratories based on the theoretical work of Charles Hard Townes and Arthur Leonard Shavlov.

Laser Write For UsA laser varies from other light sources in that it emits coherent light. Spatial coherence allows the laser to be focused to a narrow point, enabling applications such as laser cutting and lithography. Spatial coherence also allows the laser beam to remain narrow over long distances (collimation), enabling applications such as laser pointers and lidar (light detection and ranging). Lasers can also have high temporal coherence, allowing them to emit light with a narrow spectrum. Alternatively, temporal coherence can create ultrashort pulses of light with a broad range but only a femtosecond duration.

Lasers are used in optical disc drives, laser printers, barcode scanners, DNA sequencing instruments, fibre optics, semiconductor chip fabrication (photolithography) and free-space visual communication, laser surgery and skin treatment, cutting and welding materials, and military and legal. Control devices for marking targets, measuring range and speed, and laser light displays for entertainment. Semiconductor blue to near-UV lasers has also been used in place of light-emitting diodes (LEDs) to excite fluorescence as a white light source. It provides a much smaller radiation area due to the much higher laser output and avoids the dimming that is common with LEDs; such devices are already used in the headlights of some vehicles.

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