Abstract
Narrow-linewidth and high-power operation of a cladding-pumped Tm:fiber laser has been demonstrated using a pair of volume Bragg gratings (VBGs) for effective spectral narrowing. The laser yielded 113 W of diffraction-limited continuous-wave output at 1990 nm with a narrow linewidth of ∼2.2 pm (full width at half maximum) for 279 W of launched pump power, which is, to the best of our knowledge, the narrowest linewidth demonstrated to date from high-power Tm:fiber lasers using VBG technique. The lasing slope efficiency with respect to the launched pump power at 972 nm was ∼43%. Prospects for further spectral narrowing and widely tunable operation are considered.
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
