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Conferences > CLEO > 1993 > CThJ > CThJ2
  • Conference on Lasers and Electro-Optics
  • OSA Technical Digest (Optica Publishing Group, 1993),
  • paper CThJ2

Beam cleanup using stimulated Brillouin scattering in multimode fibers

Hans Bruesselbach

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Abstract

We have observed that stimulated Brillouin scattering (SBS) in some optical fibers makes them act as beam cleanup devices. When an input beam was launched at an angle, or a highly divergent beam launched into the entire numerical aperture (~200 modes) of the fibers, backward SBS was observed coming only from the HE11 mode. SBS is Known to exhibit interesting phenomena1,2 in single mode fibers (V < 2.4).

© 1993 Optical Society of America

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