Abstract

We have developed a deformable, gold-coated mirror based on piezoelectric actuators with $15‐\mathit{\mu }\mathrm{s}$ response time. With 20 independent channels we were able to compress 72-fs pulses from a Ti:sapphire oscillator down to 45 fs in a $4f$ zero-dispersion compressor arrangement. Spectral interference was used to measure the mirror performance, while the spectral phase interferometry for direct electric field reconstruction (SPIDER) technique was used for the laser pulse characterization.

© 2004 Optical Society of America

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