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HIGH-POWER DIODE LASERS

Photonics Spectra
Apr 2009
DILAS Diode Laser Inc.Request Info
 
DILAS.jpgFor pumping of solid-state and fiber lasers, and for optical pumping of alkaline vapors, Dilas has introduced wavelength-stabilized technology for its high-power fiber-coupled lasers. They are available with output from 25 W for a 200-μm fiber core diameter up to 400 W for a 400-μm core. Numerical aperture is 0.22, line-width is <0.5 nm FWHM, and typical wavelength temperature drift is 0.01 nm/K. The technology is offered at wavelengths of 808, 940, 976 and 981 nm, with others available upon request.


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GLOSSARY
optical pumping
The process whereby the number of atoms or atomic systems in a set of energy levels is changed by the absorption of light that falls on the material. This process raises the atoms to specific higher energy levels and may result in a population inversion between certain intermediate levels. The optical pumping of an optical medium within a laser cavity is one of the fundamental processes involved in the generation of a beam.
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