Abstract
Efficient stimulated Raman scattering at 342 nm was obtained in multimode fused-silica fibers pumped by a conventional N2 laser. The values of the intensity-dependent absorption coefficient and the Raman-gain coefficient were determined: α1 = 3.3 × 10−6 cm/MW and γ = 2.9 × 10−11 cm/W, respectively. Raman scattering by the OH impurities in the fiber was observed at 385 nm.
© 1983 Optical Society of America
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