Q-switching and efficient harmonic generation from a single-mode LMA photonic bandgap rod fiber laser

doi:10.1364/OE.19.010824

Q-switching and efficient harmonic generation from a single-mode LMA photonic bandgap rod fiber laser

Marko Laurila, Julien Saby, Thomas T. Alkeskjold, Lara Scolari, Benjamin Cocquelin, Francois Salin, Jes Broeng, and Jesper Lægsgaard »View Author Affiliations

Optics Express, Vol. 19, Issue 11, pp. 10824-10833 (2011)
http://dx.doi.org/10.1364/OE.19.010824

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Abstract

We demonstrate a Single-Mode (SM) Large-Mode-Area (LMA) ytterbium-doped PCF rod fiber laser with stable and close to diffraction limited beam quality with 110W output power. Distributed-Mode-Filtering (DMF) elements integrated in the cladding of the rod fiber provide a robust spatial mode with a Mode-Field-Diameter (MFD) of 59μm. We further demonstrate high pulse energy Second-Harmonic-Generation (SHG) and Third Harmonic Generation (THG) using a simple Q-switched single-stage rod fiber laser cavity architecture reaching pulse energies up to 1mJ at 515nm and 0.5mJ at 343nm.

OCIS Codes
(060.2310) Fiber optics and optical communications : Fiber optics
(060.4005) Fiber optics and optical communications : Microstructured fibers
(060.3510) Fiber optics and optical communications : Lasers, fiber

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: April 5, 2011
Revised Manuscript: May 13, 2011
Manuscript Accepted: May 15, 2011
Published: May 18, 2011

Citation
Marko Laurila, Julien Saby, Thomas T. Alkeskjold, Lara Scolari, Benjamin Cocquelin, Francois Salin, Jes Broeng, and Jesper Lægsgaard, "Q-switching and efficient harmonic generation from a single-mode LMA photonic bandgap rod fiber laser," Opt. Express 19, 10824-10833 (2011)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-19-11-10824

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References

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