White Light Generation and Few Cycle Pulse Compression in Cascaded Multipass Cells
Semyon Goncharov, Kilian Fritsch, Oleg Pronin
TL;DR
This paper demonstrates supercontinuum generation and pulse compression using cascaded multipass cells, achieving 7 fs pulses from 230 fs input with high efficiency, suitable for advanced spectroscopic applications.
Contribution
It introduces a novel setup of cascaded multipass cells for efficient supercontinuum generation and pulse compression of femtosecond pulses.
Findings
Pulse compression factor of 33 achieved
Peak power of 1.0 GW obtained
Overall transmission efficiency of 84%
Abstract
We report supercontinuum generation and pulse compression in two stacked multipass cells based on dielectric mirrors. The 230 fs pulses at 1 MHz containing 12 J were compressed by factor 33 down to 7 fs, corresponding to 1.0 GW peak power and overall transmission of 84 %. The source is particularly interesting for such applications as time-resolved ARPES, photoemission electron microscopy, and nonlinear spectroscopy.
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Taxonomy
TopicsAdvanced Fiber Laser Technologies · Laser-Matter Interactions and Applications · Spectroscopy Techniques in Biomedical and Chemical Research