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Optics Letters

Optics Letters


  • Vol. 24, Iss. 11 — Jun. 1, 1999
  • pp: 750–752

Laser operation with nearly diffraction-limited output from a Yb:YAG multimode channel waveguide

U. Griebner and H. Schönnagel  »View Author Affiliations

Optics Letters, Vol. 24, Issue 11, pp. 750-752 (1999)

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We report laser action of a crystal channel-waveguide laser consisting of a diffusion-bonded Yb:YAG–YAG core–cladding structure. By use of diode bars a side-pumped arrangement adapted to the channel-waveguide geometry was realized, resulting in up to 1-W output power and a low threshold. With a rectangular core with a 100-μm cross section, nearly diffraction-limited performance is demonstrated. The influence of the guiding properties of the channel waveguide on the resonator mode was studied with a nearly concentric resonator.

© 1999 Optical Society of America

OCIS Codes
(060.2280) Fiber optics and optical communications : Fiber design and fabrication
(060.2290) Fiber optics and optical communications : Fiber materials
(060.2320) Fiber optics and optical communications : Fiber optics amplifiers and oscillators
(140.3480) Lasers and laser optics : Lasers, diode-pumped
(140.3510) Lasers and laser optics : Lasers, fiber
(140.4780) Lasers and laser optics : Optical resonators

U. Griebner and H. Schönnagel, "Laser operation with nearly diffraction-limited output from a Yb:YAG multimode channel waveguide," Opt. Lett. 24, 750-752 (1999)

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