Entries with tag ink jet printed lasers.

Scientists Print Lasers Using Ink-Jet Technology

University of Cambridge researchers have developed a method for printing lasers using conventional ink-jet printers, which they say may enable simpler, more affordable laser-based devices. The process uses liquid crystals instead of ink to print tiny dots on a specially-coated surface. A polymer film aligns the molecules while the addition of a dye provides additional gain, which increases the light and energy in the laser. When the coating dries, the liquid crystals align, which enables each dot to become a laser. Manufacturers could use the approach to make devices such as museum displays that are encoded with information by the application of lasers. The researchers published their work in the journal Soft Matter. (BBC)(Soft Matter)

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