Active coherent superposition of five fiber amplifiers at 670W using multiplexed volume Bragg grating

Chunte A. Lu; Angel Flores; Erik Bochove; William P. Roach; Vadim Smirnov; Leonid B. Glebov

doi:10.1117/12.2001854

26 February 2013 Active coherent superposition of five fiber amplifiers at 670W using multiplexed volume Bragg gratings

Chunte A. Lu, Angel Flores, Erik Bochove, William P. Roach, Vadim Smirnov, Leonid B. Glebov

Proceedings Volume 8601, Fiber Lasers X: Technology, Systems, and Applications; 86011A (2013) https://doi.org/10.1117/12.2001854
Event: SPIE LASE, 2013, San Francisco, California, United States

Abstract

We present an experimental study on active coherent combining of five Yb (Ytterbium)-doped fiber laser amplifiers that employs multiplexed volume Bragg gratings (MVBGs), reporting a combining efficiency of 82% and near-diffraction limited beam quality at a combined input power of 380 W, and 70% combining efficiency with equal beam quality at 670 W input power.

Citation Download Citation

Chunte A. Lu, Angel Flores, Erik Bochove, William P. Roach, Vadim Smirnov, and Leonid B. Glebov "Active coherent superposition of five fiber amplifiers at 670W using multiplexed volume Bragg gratings", Proc. SPIE 8601, Fiber Lasers X: Technology, Systems, and Applications, 86011A (26 February 2013); https://doi.org/10.1117/12.2001854

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