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  • Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference and Photonic Applications Systems Technologies
  • Technical Digest (CD) (Optica Publishing Group, 2006),
  • paper CTuI2

Beam cleanup in a self-aligned gradient index Brillouin cavity for high power multimode fiber amplifiers

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Abstract

We describe a beam cleanup setup to convert a multimode beam into a singlemode beam by Stimulated-Brillouin-Scattering in a multimode gradient-index fiber. A M2=6.5 beam is converted into a M2=1.3 beam with 31% efficiency.

© 2006 Optical Society of America

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