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Journal of the Optical Society of America B

Journal of the Optical Society of America B


  • Editor: Henry van Driel
  • Vol. 27, Iss. 12 — Dec. 1, 2010
  • pp: 2669–2676

Beam quality analysis and optimization in an adiabatic low mode tapered fiber beam combiner

Yariv Shamir, Yoav Sintov, and Mark Shtaif  »View Author Affiliations

JOSA B, Vol. 27, Issue 12, pp. 2669-2676 (2010)

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We study tapered fiber bundle based beam-combining structures that closely maintain their lowest supermodes in order to optimize the output beam quality. A method for efficiently producing structures with high beam quality is proposed. The method is based on monitoring the output powers of the tapered fiber bundle during fabrication and evaluating the beam properties at the central portion based on symmetry considerations. The method is demonstrated experimentally and supported by theoretical analysis. Several seven-fiber combiner configurations are demonstrated. The obtained beam qualities are close to the theoretical limits, as dictated by the brightness conservation law.

© 2010 Optical Society of America

OCIS Codes
(140.3510) Lasers and laser optics : Lasers, fiber
(230.2285) Optical devices : Fiber devices and optical amplifiers
(140.3295) Lasers and laser optics : Laser beam characterization
(140.3298) Lasers and laser optics : Laser beam combining

ToC Category:
Fiber Optics and Optical Communications

Original Manuscript: July 8, 2010
Revised Manuscript: October 11, 2010
Manuscript Accepted: October 20, 2010
Published: November 16, 2010

Yariv Shamir, Yoav Sintov, and Mark Shtaif, "Beam quality analysis and optimization in an adiabatic low mode tapered fiber beam combiner," J. Opt. Soc. Am. B 27, 2669-2676 (2010)

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  1. V. Gapontsev, D. Gapontsev, N. Platonov, O. Shkurikhin, “2 kW CW ytterbium fiber laser with record diffraction-limited brightness,” in IEEE 2005 Conference on Lasers and Electro Optics (2005), pp. 508.
  2. J. Dawson, M. Messerly, R. Beach, M. Shverdin, E. Stappaerts, A. Sridharan, P. Pax, J. Heebner, C. Siders, C. Barty, “Analysis and scalability of diffraction limited fiber lasers and amplifiers to high average power,” Opt. Express 16, 13240–13266 (2008). [CrossRef] [PubMed]
  3. M. Wickham, J. Anderegg, S. Brosnan, E. Cheung, P. Epp, D. Ammons, H. Komine, M. Weber, “Coherently coupled high power fiber arrays,” in IEEE Digest of the LEOS Summer Topical Meeting (2006), pp. 23–24. [CrossRef]
  4. C. Wirth1, O. Schmidt, I. Tsybin, T. Schreiber, T. Peschel, F. Brückner, T. Clausnitzer, J. Limpert, R. Eberhardt, A. Tünnermann, M. Gowin, E. ten Have, K. Ludewigt, M. Jung, “2 kW incoherent beam combining of four narrow-linewidth photonic crystal fiber amplifiers,” Opt. Express 17, 1178–1183 (2009). [CrossRef]
  5. T. Y. Fan, “Laser beam combining of high power high radiance sources,” IEEE J. Sel. Top. Quantum Electron. 11, 567–577 (2005). [CrossRef]
  6. B. Wang, E. Mies, M. Minden, A. Sanchez, “All-fiber 50 W coherently combined passive laser array,” Opt. Lett. 34, 863–865 (2009). [CrossRef] [PubMed]
  7. T. H. Loftus, A. Liu, P. R. Hoffman, A. M. Thomas, M. Norsen, R. Royse, E. Honea, “522 W average power, spectrally beam-combined fiber laser with near diffraction limited beam quality,” Opt. Lett. 32, 349–351 (2007). [CrossRef] [PubMed]
  8. A. Carter, B. Samson, “New-technology-advances-applications-for-high-power-fiber-lasers,” in Military & Aerospace Electronics (Nufern, 2005), Vol. 16, Issue 2.
  9. IPG Photonics, “High power fiber lasers for industrial applications,” http://www.ipgphotonics.com/Collateral/Documents/English-US/HP_Brochure.pdf.
  10. OFS, “New all-fiber beam combiner from OFS enables multi-kilowatt laser applications,” www.azooptics.com/details.asp?newsID=8776.
  11. F. Gonthier, L. Martineau, N. Azami, M. Faucher, F. Seguin, D. Stryckman, A. Villeneuve, “High power all-fiber components: the missing link for high-power fiber lasers,” Proc. SPIE 5335, 266–276 (2004). [CrossRef]
  12. A. Kosterin, V. Temianko, M. Fallahi, M. Mansuripur, “Tapered fiber bundles for combining high power diode lasers,” Appl. Opt. 43, 3893–3900 (2004). [CrossRef] [PubMed]
  13. K. Natterman, “Bundle of optical fibers for transmission of electromagnetic radiation of high luminous intensity,” U.S. patent 4,983,014 (October 17, 1991).
  14. A. Wetter, M. Faucher, M. Lovelady, F. Séguin, “Tapered fused-bundle splitter capable of 1kW CW operation,” Proc. SPIE 6453, 645301 (2007), doi: 10.1117/12.700466.
  15. J. D. Love, W. M. Henry, “Quantifying loss minimization in single mode fibre tapers,” Electron. Lett. 22, 912–914 (1986). [CrossRef]
  16. F. Payne, C. Hussey, M. Yataki, “Modeling fused single-mode-fibre couplers,” Electron. Lett. 21, 461–462 (1985). [CrossRef]
  17. G. Agrawal, Applications of Nonlinear Fiber Optics (Academic, 2001).
  18. K. Okamoto, Fundamentals of Optical Waveguides, 2nd ed. (Academic, 2006).
  19. M. Dietrich, Light Transmission Optics (Van-Nostrand Reinhold, 1982).
  20. R. J. Black, L. Gagnon, R. C. Youngquist, R. H. Wentworth, “Modes of evanescent 3×3 couplers and three-core fibers,” Electron. Lett. 22, 1311–1313 (1986). [CrossRef]
  21. A. Yariv, Optical Electronics in Modern Telecommunications (Oxford U. Press, 1997).
  22. A. J. Stevenson, J. D. Love, “Vector modes of six port couplers,” Electron. Lett. 23, 1011–1013 (1987). [CrossRef]
  23. T. Tamir, Guided Wave Optoelectronics (Springer-Verlag, 1988). [CrossRef]
  24. Y. Shamir, Y. Sintov, M. Shtaif, “Incoherent beam combining of multiple single-mode fiber lasers utilizing fused tapered bundling,” Proc. SPIE 7580, 75801R (2010), doi: 10.1117/12.841720. [CrossRef]
  25. R. Zhang, X. Zhang, D. Meiser, H. Giessen, “Mode and group velocity dispersion evolution in the tapered region of a single-mode tapered fiber,” Opt. Express 12, 5840–5849 (2004). [CrossRef] [PubMed]
  26. Y. Shamir, Y. Sintov, E. Shafir, M. Shtaif, “Beam quality output of a few mode fiber seeded by a single mode fiber source,” Opt. Lett. 32, 1975–1797 (2009).
  27. A. E. Siegman, “New developments in laser resonators,” Proc. SPIE 1224, 2–14 (1990). [CrossRef]

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