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A femtosecond pulse-shaping apparatus containing microlens arrays for use with pixellated spatial light modulators

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2 Author(s)
K. M. Mahoney ; Sch. of Electr. & Comput. Eng., Purdue Univ., West Lafayette, IN, USA ; A. M. Weiner

We discuss a modified femtosecond pulse shaper that uses microlens arrays to convert the continuous band of frequencies normally obtained at the mask plane of a pulse shaper to a series of discrete spots. Two possible modified pulse-shaping geometries are described and the optimum geometry is chosen. Our experiments demonstrate that this modification can improve pulse-shaping quality when modulator arrays with large interpixel gaps are used for Fourier-plane filtering

Published in:

IEEE Journal of Quantum Electronics  (Volume:32 ,  Issue: 12 )