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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 21, Iss. 21 — Oct. 21, 2013
  • pp: 25501–25508

Curved Yb:YAG waveguide lasers, fabricated by femtosecond laser inscription

Thomas Calmano, Anna-Greta Paschke, Sebastian Müller, Christian Kränkel, and Günter Huber  »View Author Affiliations


Optics Express, Vol. 21, Issue 21, pp. 25501-25508 (2013)
http://dx.doi.org/10.1364/OE.21.025501


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Abstract

Straight and s-curve Yb(7%):YAG waveguides have been fabricated with the femtosecond laser writing technique. By employing a novel writing scheme an increase of the refractive index change could be achieved in comparison to waveguides written with the standard procedure. Straight waveguides, fabricated with this scheme, enabled highly efficient Ti:sapphire laser pumped waveguide lasers with slope efficiencies of 79% and output powers of more than 1 W. With slope efficiencies from 50% to 60% for the curved waveguide lasers with radii of curvature of R ≥ 20 mm the possibility of fs-laser written complex optical devices is demonstrated.

© 2013 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:
Lasers and Laser Optics

History
Original Manuscript: September 6, 2013
Revised Manuscript: October 7, 2013
Manuscript Accepted: October 7, 2013
Published: October 17, 2013

Citation
Thomas Calmano, Anna-Greta Paschke, Sebastian Müller, Christian Kränkel, and Günter Huber, "Curved Yb:YAG waveguide lasers, fabricated by femtosecond laser inscription," Opt. Express 21, 25501-25508 (2013)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-21-21-25501


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References

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