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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 35, Iss. 12 — Jun. 15, 2010
  • pp: 1968–1970

Highly efficient, diffraction-limited laser emission from a vertical external-cavity surface-emitting organic laser

Hadi Rabbani-Haghighi, Sébastien Forget, Sébastien Chénais, and Alain Siove  »View Author Affiliations


Optics Letters, Vol. 35, Issue 12, pp. 1968-1970 (2010)
http://dx.doi.org/10.1364/OL.35.001968


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Abstract

We report on a solid-state laser structure functioning as the organic counterpart of a vertical external-cavity surface-emitting laser (VECSEL) design. The gain medium is a poly(methyl methacrylate) film doped with Rhodamine 640, spin casted onto the high-reflectivity mirror of a plano–concave resonator. Upon pumping by 7 ns pulses at 532 nm , a diffraction-limited beam ( M 2 = 1 ) was obtained, with a conversion efficiency of 43%; higher peak powers ( 2 kW ) could be attained when resorting to shorter ( 0.5 ns ) pump pulses. The spectrum was controlled by the thickness of the active layer playing the role of an intracavity etalon; tunability is demonstrated at over and up to 20 nm .

© 2010 Optical Society of America

OCIS Codes
(140.2050) Lasers and laser optics : Dye lasers
(140.3580) Lasers and laser optics : Lasers, solid-state
(160.4890) Materials : Organic materials
(230.5750) Optical devices : Resonators
(250.7270) Optoelectronics : Vertical emitting lasers

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: February 19, 2010
Revised Manuscript: May 10, 2010
Manuscript Accepted: May 19, 2010
Published: June 4, 2010

Citation
Hadi Rabbani-Haghighi, Sébastien Forget, Sébastien Chénais, and Alain Siove, "Highly efficient, diffraction-limited laser emission from a vertical external-cavity surface-emitting organic laser," Opt. Lett. 35, 1968-1970 (2010)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-35-12-1968

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