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Proceedings Article

Kilowatt-class single-frequency fiber sources (Invited Paper)

[+] Author Affiliations
D. N. Payne, J. Nilsson, J. K. Sahu

Univ. of Southampton (United Kingdom) and Southampton Photonics, Inc. (United Kingdom)

Y. Jeong, D. B. S. Soh, C. Alegria, P. Dupriez, C. A. Codemard, V. N. Philippov, V. Hernandez

Univ. of Southampton (United Kingdom)

R. Horley, L. Hickey, L. Wanzcyk, C. E. Chryssou, J. A. Alvarez-Chavez, P. W. Turner

Southampton Photonics, Inc. (United Kingdom)

Proc. SPIE 5709, Fiber Lasers II: Technology, Systems, and Applications, 133 (May 05, 2005); doi:10.1117/12.601145
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From Conference Volume 5709

  • Fiber Lasers II: Technology, Systems, and Applications
  • L. N. Durvasula; Andrew J. W. Brown; Johan Nilsson
  • San Jose, CA | January 22, 2005

abstract

We discuss the dramatic development of high-power fiber laser technology in recent years and the prospects of kilowattclass single-frequency fiber sources. We describe experimental results from an ytterbium-doped fiber-based multihundred-watt single-frequency, single-mode, plane-polarized master-oscillator power amplifier (MOPA) operating at 1060 nm and a similar source with 0.5 kW of output power, albeit with a degraded beam quality (M2 = 1.6) and not linearly polarized. Experiments and simulations aimed at predicting the Brillouin limit of single-frequency system with a thermally broadened Brillouin gain are presented. These suggest that single-frequency MOPAs with over 1 kW of output power are possible. In addition, the power scalability of a simple single-strand fiber laser to 10 kW is discussed.

© (2005) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

D. N. Payne ; Y. Jeong ; J. Nilsson ; J. K. Sahu ; D. B. S. Soh, et al.
"Kilowatt-class single-frequency fiber sources (Invited Paper)", Proc. SPIE 5709, Fiber Lasers II: Technology, Systems, and Applications, 133 (May 05, 2005); doi:10.1117/12.601145; http://dx.doi.org/10.1117/12.601145


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