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Updated: Jun 16, 2026

Measurement of Ultrafast Vibrational Coherences in Polyatomic Radical Cations with Strong-Field Adiabatic Ionization
Published on: August 6, 2018
Few-cycle OPCPA system at 143 kHz with more than 1 microJ of pulse energy
Marcel Schultze1, Thomas Binhammer, Andy Steinmann
1Institute of Quantum Optics, Leibniz Universität Hannover,Welfengarten 1, D-30167 Hannover, Germany. schultze@iqo.uni-hannover.de
Abstract:
We present an OPCPA system delivering 8.8 fs (3.3 optical cycles) pulses with 1.3 microJ of energy at 143 kHz repetition rate. Pump and seed for the parametric amplification are simultaneously generated by a broadband Ti:sapphire oscillator. The spectral components beyond 1000 nm are separated and amplified in an Yb:YAG thin-disk regenerative amplifier. The pulses are characterized using autocorrelation and SPIDER apparatus. With a pulse peak power of nearly 130 MW, the system is well-suited for future table top strong field experiments.
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