Femtosecond kerr-lens mode locking with negative nonlinear phase shifts
作者： L. J. Qian , X. Liu , F. W. Wise
DOI: 10.1364/OL.24.000166
关键词:
摘要: A Kerr-lens mode-locked Cr:fosterite laser 15 operated with negative nonlinear phase shift. The shift is induced by the cascade x (2) process in a lithium triborate crystal. Employing at large mismatch produces nearly linear frequency chirp. Transform-limited pulses as short 60 fs are generated positive cavity dispersion.
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