Recent progress in our work on the development of three micron class dysprosium-doped ZBLAN fiber lasers will be presented. Of particular note is the achievement of 51% slope efficiency which to our knowledge represents a record for all 3 micron class fiber lasers. This result is obtained for an in-band pumping scheme which also allowed for demonstration of continuous tuning over a range of 400nm with an extreme emission wavelength of 3.35 microns.
Matthew R. Majewski and Stuart D. Jackson, "Recent progress in 3 micron class dysprosium-doped fluoride fiber lasers," Proc. SPIE 10083, Fiber Lasers XIV: Technology and Systems, 1008317 (Presented at SPIE LASE: February 01, 2017; Published: 22 February 2017); https://doi.org/10.1117/12.2251787.
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