Abstract
Continuous-wave lasing of Bi-doped fiber lasers in a wavelength range of with a power of up to has been obtained for the first time. The unsaturable optical losses in Bi-doped fibers have been revealed and their influence on the Bi-laser operation is investigated. Frequency doubling of the Bi-fiber laser radiation is demonstrated that can be used as a yellow light source (wavelength of ).
© 2007 Optical Society of America
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