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Impressum
(c) 2002 BMO

"Sub-20-fs tunable pulses in the visible and NIR by noncollinear optical parametric amplification (NOPA)"
S. Lochbrunner, T. Wilhelm, J. Piel, S. Spörlein, E. Riedle
OSA Trends in Optics and Photonic Series, Vol. 26, Advanced Solid State Lasers ('99), M. M. Fejer, U. Keller, and H. Injeyan, eds. (OSA, Washington, USA, 1999), 366 - 371


Abstract:
Generation of tunable sub-20-fs visible pulses is demonstrated by optical parametric amplification of a white light continuum in a 2 mm thick BBOcrystal. The necessary broad amplification bandwidth is ensured by noncollinear type I phase matching. The proper angle between the seed light andthe second harmonic of the Ti:sapphire pump light leads to an effective matching of the signal and idler group velocities. Above the degeneracy pointthis is not possible in the type I arrangement but it is shown that type II phase matching can be used instead to produce similarly short pulses in theNIR.

BMO authors (in alphabetic order):
Stefan Lochbrunner
Johannes Piel
Eberhard Riedle
Sebastian Spörlein
Thomas Wilhelm


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Letzte Änderung: 2016-09-14 13:34