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20212023
most citedSpectral broadening of 2 mJ femtosecond pulses in a compact air-filled convex-concave multi-pass cell

29 citations · 97 across the 5 of their papers we have counts for

collaborators

5 papers

physics.optics2023★ 25 cited

Low-noise, 2-W average power, 112-fs Kerr-lens mode-locked Ho:CALGO laser at 2.1 um

Weichao Yao, Yicheng Wang, Shahwar Ahmed +4

We report on an in-band pumped soft-aperture Kerr-lens mode-locked Ho:CALGO bulk laser at 2.1 um, generating 2 W of average power with 112 fs pulses at 91-MHz repetition rate. To t…

physics.optics2022★ 29 cited

Spectral broadening of 2 mJ femtosecond pulses in a compact air-filled convex-concave multi-pass cell

Alan Omar, Tim Vogel, Martin Hoffmann +1

Multi-pass cell (MPC) based temporal pulse compressors have emerged in the last years as a powerful and versatile solution to the intrinsic issue of long pulses from Yb-based high-…

physics.optics2022★ 24 cited

8.7-W average power, in-band pumped femtosecond Ho:CALGO laser at 2.1 um

Weichao Yao, Yicheng Wang, Sergei Tomilov +7

We report on an in-band pumped SESAM mode-locked Ho:CALGO bulk laser with a record-high average power of 8.7 W and an optical-to-optical efficiency of 38.2% at a central wavelength…

physics.optics2022★ 19 cited

50-W average power Ho:YAG SESAM-modelocked thin-disk oscillator at 2.1 um

Sergei Tomilov, Yicheng Wang, Martin Hoffmann +4

Ultrafast laser systems operating with high-average power in the wavelength range from 1.9 um to 3 um are of interest for a wide range of applications for example in spectroscopy,…

physics.optics2021

Moving towards high-power thin-disk lasers in the 2-μm wavelength range

Sergei Tomilov, Martin Hoffmann, Yicheng Wang +1

Thin-disk lasers (TDLs) have made spectacular progress in the last decades both in continuous-wave and ultrafast operation. Nowadays, single thin-disk oscillators with > 16 kW of c…