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Optics Letters

Optics Letters


  • Vol. 24, Iss. 18 — Sep. 15, 1999
  • pp: 1284–1286

Diode-pumped 1-W Er-doped fluoride glass M-profile fiber laser emitting at 2.8 μm

T. Sandrock, D. Fischer, P. Glas, M. Leitner, M. Wrage, and A. Diening  »View Author Affiliations

Optics Letters, Vol. 24, Issue 18, pp. 1284-1286 (1999)

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We report a novel short-length diode-pumped cw fiber laser with high output power at a wavelength of 2.8μm . The system combines continuous-wave diode pumping at 970 nm, a high doping concentration (5-mol. % ErF3) of the active fiber, and an annular geometry of the laser medium, an M-profile fiber. Output powers in excess of 1 W with a slope efficiency of 25% were obtained.

© 1999 Optical Society of America

OCIS Codes
(060.2280) Fiber optics and optical communications : Fiber design and fabrication
(060.2320) Fiber optics and optical communications : Fiber optics amplifiers and oscillators
(060.2390) Fiber optics and optical communications : Fiber optics, infrared
(060.2410) Fiber optics and optical communications : Fibers, erbium

T. Sandrock, D. Fischer, P. Glas, M. Leitner, M. Wrage, and A. Diening, "Diode-pumped 1-W Er-doped fluoride glass M-profile fiber laser emitting at 2.8 μm," Opt. Lett. 24, 1284-1286 (1999)

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