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Opt Lett. 2004 Jan 15;29(2):177-9.

Piezo-driven deformable mirror for femtosecond pulse shaping.

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  • 1Institute of Experimental Physics, Warsaw University, Hoza 69, Warsaw PL-00-681, Poland.


We have developed a deformable, gold-coated mirror based on piezoelectric actuators with 15-micros 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.

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