Tunable laser
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A tunable laser is a laser whose wavelength of operation can be altered in a controlled manner. While all laser gain media allow small shifts in output wavelength, only some types of lasers allow cont
CW dye laser based on Rhodamine 6G. The dye laser is considered to be the first broadly tunable laser.
A typical laser diode. When mounted with external optics, these lasers can be tuned mainly in the red and near-infrared.
Output coupler
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In laser science, an output coupler is the component of an optical resonator that allows the extraction of a portion of the light from the laser's intracavity beam. An output coupler most often consis
Output coupler of a 594 nm Helium−Neon laser