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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 21, Iss. 24 — Dec. 15, 1996
  • pp: 1996–1998

Highly efficient phase locking and extracavity coherent combination of two diode-pumped Nd:YAG laser beams

S. Ménard, M. Vampouille, B. Colombeau, and C. Froehly  »View Author Affiliations


Optics Letters, Vol. 21, Issue 24, pp. 1996-1998 (1996)
http://dx.doi.org/10.1364/OL.21.001996


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Abstract

Intracavity phase locking and extracavity combination of the two emitted beams generated by a Nd:YAG laser longitudinally pumped by two fiber-coupled diode lasers are investigated. Phase locking is performed by a diffractive component located inside a confocal Fabry–Perot resonator. The coherent addition of the two synchronized beams in a single TEM00 wave is made by a birefringent interferometer, with 96.8% energy yield. 610-mW output power was obtained in a single-lobed beam profile with 30.5% optical-to-optical conversion efficiency in the continuous-wave regime.

© 1996 Optical Society of America

History
Original Manuscript: July 29, 1996
Published: December 15, 1996

Citation
S. Ménard, M. Vampouille, B. Colombeau, and C. Froehly, "Highly efficient phase locking and extracavity coherent combination of two diode-pumped Nd:YAG laser beams," Opt. Lett. 21, 1996-1998 (1996)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-21-24-1996

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