Kilowatt-class single-frequency fiber sources

D. N. Payne; Y. Jeong; J. Nilsson; J. K. Sahu; D. B. S. Soh; C. Alegria; P. Dupriez; C. A. Codemard; V. N. Philippov; V. Hernandez; R. Horley; L. Hickey; L. Wanzcyk; C. E. Chryssou; J. A. Alvarez-Chavez; P. W. Turner

doi:10.1117/12.601145

22 April 2005 Kilowatt-class single-frequency fiber sources (Invited Paper)

D. N. Payne, Y. Jeong, J. Nilsson, J. K. Sahu, D. B. S. Soh, C. Alegria, P. Dupriez, C. A. Codemard, V. N. Philippov, V. Hernandez, R. Horley, L. Hickey, L. Wanzcyk, C. E. Chryssou, J. A. Alvarez-Chavez, P. W. Turner

Author Affiliations +

Proceedings Volume 5709, Fiber Lasers II: Technology, Systems, and Applications; (2005) https://doi.org/10.1117/12.601145
Event: Lasers and Applications in Science and Engineering, 2005, San Jose, California, United States

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.

Citation Download Citation

D. N. Payne, Y. Jeong, J. Nilsson, J. K. Sahu, D. B. S. Soh, C. Alegria, P. Dupriez, C. A. Codemard, V. N. Philippov, V. Hernandez, R. Horley, L. Hickey, L. Wanzcyk, C. E. Chryssou, J. A. Alvarez-Chavez, and P. W. Turner "Kilowatt-class single-frequency fiber sources (Invited Paper)", Proc. SPIE 5709, Fiber Lasers II: Technology, Systems, and Applications, (22 April 2005); https://doi.org/10.1117/12.601145

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