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Article Dans Une Revue New Journal of Physics Année : 2016

Broadband stimulated Raman backscattering

Résumé

Broadband amplification employing stimulated Raman backscattering is demonstrated. Using seed pulses with a bandwidth of about 200 nm, we study the amplification in a wide spectral range in a single laser shot. With chirped pump pulses and a Ne gas jet, we observed under optimized conditions, amplification in a range of about 80 nm, which is sufficient to support the amplification of sub-20 fs pulses. This broad amplification range is also in excellent agreement with PIC simulations. The conversion efficiency is at certain wavelengths as high as 1.2% and was measured to be better than 6×10 −3 on average.
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hal-01368188 , version 1 (19-09-2016)

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B Landgraf, B Aurand, G Lehmann, T Gangolf, M Schnell, et al.. Broadband stimulated Raman backscattering. New Journal of Physics, 2016, 18, pp.073048. ⟨10.1088/1367-2630/18/7/073048⟩. ⟨hal-01368188⟩
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