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Optical Materials Express

Optical Materials Express

  • Editor: David J. Hagan
  • Vol. 1, Iss. 3 — Jul. 1, 2011
  • pp: 428–433

Diode pumped high power operation of a femtosecond laser inscribed Yb:YAG waveguide laser [Invited]

Thomas Calmano, Jörg Siebenmorgen, Anna-Greta Paschke, Christian Fiebig, Katrin Paschke, Götz Erbert, Klaus Petermann, and Günter Huber  »View Author Affiliations


Optical Materials Express, Vol. 1, Issue 3, pp. 428-433 (2011)
http://dx.doi.org/10.1364/OME.1.000428


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Abstract

Waveguides were written into single crystalline Yb(7%):YAG with a femtosecond laser. Laser oscillation of the waveguides without external mirrors at an output coupling transmission of 99% was demonstrated. The laser performance of the waveguide lasers, pumped with various light sources, was examined. With an optically pumped semiconductor laser (OPS) as pump source a slope efficiency of 51% regarding incident pump power and a maximum output power of 1.76 W could be achieved. By using a high brightness DBR tapered diode laser as pump source the possible miniaturization of the waveguide laser device was demonstrated. With this pump source even 2.35 W of output power from the waveguide laser was achieved. The beam quality at highest output power turned out to be excellent with an M2-factor of less than 1.3.

© 2011 OSA

OCIS Codes
(230.7380) Optical devices : Waveguides, channeled
(140.3615) Lasers and laser optics : Lasers, ytterbium
(130.3990) Integrated optics : Micro-optical devices

ToC Category:
Laser Materials

History
Original Manuscript: May 16, 2011
Revised Manuscript: June 14, 2011
Manuscript Accepted: June 17, 2011
Published: June 24, 2011

Virtual Issues
Advances in Optical Materials (2011) Optical Materials Express

Citation
Thomas Calmano, Jörg Siebenmorgen, Anna-Greta Paschke, Christian Fiebig, Katrin Paschke, Götz Erbert, Klaus Petermann, and Günter Huber, "Diode pumped high power operation of a femtosecond laser inscribed Yb:YAG waveguide laser [Invited]," Opt. Mater. Express 1, 428-433 (2011)
http://www.opticsinfobase.org/ome/abstract.cfm?URI=ome-1-3-428


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References

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