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Laser that uses a carbon-based material as the gain medium From Wikipedia, the free encyclopedia
An organic laser is a laser which uses an organic (carbon based) material as the gain medium. The first organic laser was the liquid dye laser.[1][2] These lasers use laser dye solutions as their gain media.
Organic lasers are inherently tunable and when configured as optimized multiple-prism grating laser oscillators can yield efficient single-transverse mode, and single-longitudinal-mode, emission with laser linewidths as narrow as 350 MHz (approximately 0.0004 nm at a wavelength of 590 nm), in the high-power pulsed regime.[3]
Solid-state dye lasers are organic tunable lasers that use a variety of organic gain media, such as laser dye-doped polymers (DDP),[5] laser dye-doped ormosil (DDO),[6] and laser dye-doped polymer-nanoparticle (DDPN) matrices.[7]
DDO and DDPN gain media are subsets of a larger class of organic-inorganic hybrid materials used as laser matrices.[8][9]
Other types of solid-state organic lasers include the organic semiconductor lasers that use conjugated polymers as gain media.[10][11][12][13] These semiconductor materials can also be configured as "neat films."[14]
Coherent emission, characterized via high-visibility double-slit interferograms (V ~ 0.9) and near diffraction-limited beam divergence, has been reported from electrically pumped coumarin dye-doped tandem OLED devices.[15]
Organic lasers are also available in distributed feedback configurations[16][17] and distributed feedback waveguides.[18]
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