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Optics Letters

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  • Vol. 28, Iss. 5 — Mar. 1, 2003
  • pp: 331–333

Wavelength beam combining of ytterbium fiber lasers

S. J. Augst, A. K. Goyal, R. L. Aggarwal, T. Y. Fan, and A. Sanchez  »View Author Affiliations


Optics Letters, Vol. 28, Issue 5, pp. 331-333 (2003)
http://dx.doi.org/10.1364/OL.28.000331


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Abstract

Wavelength beam combining of five ytterbium fiber lasers is demonstrated in a master-oscillator power-amplifier configuration at combined powers up to 6 W. The combined beam profile has an M2 value of 1.14, which is equal to that of an individual fiber. Beam steering in one dimension over 140 resolvable spots is also demonstrated.

© 2003 Optical Society of America

OCIS Codes
(060.2320) Fiber optics and optical communications : Fiber optics amplifiers and oscillators
(140.3290) Lasers and laser optics : Laser arrays
(140.3510) Lasers and laser optics : Lasers, fiber

Citation
S. J. Augst, A. K. Goyal, R. L. Aggarwal, T. Y. Fan, and A. Sanchez, "Wavelength beam combining of ytterbium fiber lasers," Opt. Lett. 28, 331-333 (2003)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-28-5-331


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References

  1. C. C. Cook and T. Y. Fan, in Advanced Solid State Lasers, M. M. Fejer, H. Injeyan, and U. Keller, eds. Vol. 26 of OSA Trends in Optics and Photonics Series (Optical Society of America, Washington, D.C., 1999), p. 178.
  2. V. Daneu, A. Sanchez, T. Y. Fan, H. K. Choi, G. W. Turner, and C. C. Cook, Opt. Lett. 25, 405 (2000).
  3. W. A. Clarkson, V. Matera, T. M. J. Kendall, A. Abdolvand, D. C. Hanna, J. Nilsson, and P. W. Turner, in Conference on Lasers and Electro-Optics, Vol. 56 of OSA Trends in Optics and Photonics Series (Optical Society of America, Washington, D.C., 2001), paper CWM2.
  4. See, for example, A. Hideur, T. Chartier, C. Ozkul, and F. Sanchez, Opt. Commun. 186, 311 (2000).
  5. M. Salhi, A. Hideur, T. Chartier, M. Brunel, G. Martel, and C. Ozkul, Opt. Lett. 27, 1294 (2002).
  6. We have used tapered-fiber bundles from OFS Fitel (formerly Lucent Specialty Fiber Division) and Resonance Photonics with no noticeable difference in performance in this application.
  7. IPG Photonics YAM-2-PM polarization-maintaining Yb fiber amplifier with 2-W saturated output at the gain center. This is a two-stage amplifier with an isolator between the stages and none on the output. Although the amplifiers are polarization maintaining, they are seeded with unpolarized light from the oscillators so the output of the amplifiers is also unpolarized.
  8. E. J. Bochove, IEEE J. Quantum Electron. 38, 432 (2002).
  9. See, for example, J. P. Koplow, D. A. V. Kliner, and L. Goldberg, Opt. Lett. 25, 442 (2000).

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