All-fiber coherent arrays combining high-power lasers

Baishi Wang; Eric Mies; Monica Minden; Anthony Sanchez

doi:10.1117/12.807839

19 February 2009 All-fiber coherent arrays combining high-power lasers

Baishi Wang, Eric Mies, Monica Minden, Anthony Sanchez

Proceedings Volume 7195, Fiber Lasers VI: Technology, Systems, and Applications; 719526 (2009) https://doi.org/10.1117/12.807839
Event: SPIE LASE: Lasers and Applications in Science and Engineering, 2009, San Jose, California, United States

Abstract

We experimentally studied the coherent beam combining characteristics of fiber laser arrays in all-fiber passive configurations using polarization maintaining fibers. In addition, we simulated the coherent performance by including fiber nonlinearity. The beam combining performance is affected by both optical feedback and the laser cavity length difference. In addition, Kramers-Kronig and n₂ induced nonlinearity plays an important role for the coherent phase locking. We describe the scalability of the coherent array to high power via scaling of laser power and fiber count. We show coherently combined output powers of 27.4 Watts and 12.2 Watts at 1083 nm in 2-laser and 4-laser arrays.

Citation Download Citation

Baishi Wang, Eric Mies, Monica Minden, and Anthony Sanchez "All-fiber coherent arrays combining high-power lasers", Proc. SPIE 7195, Fiber Lasers VI: Technology, Systems, and Applications, 719526 (19 February 2009); https://doi.org/10.1117/12.807839

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