We demonstrate Yb laser (170fs) propagation in large a core hollow-core fiber (HCF) with 97.4% transmission and subsequent pulse compression down to 25fs. The tunable pulse duration between 25fs to 100fs can be used to enhance THz emission of BNA organic crystals for instance. We also demonstrate average power scaling of this approach to 270W paired with pulse compression of a 1.3ps Yb laser down to 100fs. A particular setup feature is its ability to tune the input energy and repetition rate, respectively, over an order of magnitude. Pulse compression is possible for input pulses energies ranging from 1mJ to 10mJ with the same setup.
97% Throughput Hollow-Core Fibers - for Pulse Compression of high Power Yb Lasers
Piccoli R.;
2023-01-01
Abstract
We demonstrate Yb laser (170fs) propagation in large a core hollow-core fiber (HCF) with 97.4% transmission and subsequent pulse compression down to 25fs. The tunable pulse duration between 25fs to 100fs can be used to enhance THz emission of BNA organic crystals for instance. We also demonstrate average power scaling of this approach to 270W paired with pulse compression of a 1.3ps Yb laser down to 100fs. A particular setup feature is its ability to tune the input energy and repetition rate, respectively, over an order of magnitude. Pulse compression is possible for input pulses energies ranging from 1mJ to 10mJ with the same setup.
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