Nonlinear pulse compression of a 200 mJ and 1 kW ultrafast thin-disk amplifier

Y Pfaff, G Barbiero, M Rampp, S Klingebiel, J Brons… - Optics express, 2023 - opg.optica.org
We present a high-energy laser source consisting of an ultrafast thin-disk amplifier followed
by a nonlinear compression stage. At a repetition rate of 5 kHz, the drive laser provides a …

Sub-100 fs Yb: CALGO laser based on gold nanoparticles saturable absorber

Y Zhang, S Wen, X Su, Y Wang, G Li, Y Xie, F Gao… - Optik, 2023 - Elsevier
An Yb: CALGO solid-state mode-locked laser based on gold nanoparticles saturable
absorbers (GNPs-SAs) is realized with the output pulse width of sub-100 fs. In our work …

Efficient temporal compression of 10-µJ pulses in periodic layered Kerr media

W Wang, Y Eisenberg, YH Chen, C Xu, F Wise - Optics Letters, 2024 - opg.optica.org
Pulse compression based on periodic layered Kerr media has been demonstrated as an
effective technique for femtosecond pulses with energies around 100? µJ or more. We report …

1 kHz, 10 mJ, sub-200 fs regenerative amplifier utilizing a dual-crystal configuration of Yb:CaGdAlO4 featuring exceptional beam quality

J Zhu, J Song, Y Peng, L Shen, G Gao, Y Liu… - Optics Express, 2024 - opg.optica.org
In order to boost the energy of the femtosecond regenerative amplifier (RA), we adopt the
chirped pulse amplification technique to stretch the seed pulses through the Martinez …

Multi-millijoule class, high repetition rate, Yb: CALYO regenerative amplifier with sub-130 fs pulses

LS Petrov, K Georgiev, D Velkov, A Trifonov, X Xu… - Optics …, 2023 - opg.optica.org
We demonstrate a high-energy, 1 kilohertz, Yb-based, femtosecond regenerative amplifier in
a chirped pulse amplification (CPA) architecture by using a single disordered Yb: CALYO …

High-power femtosecond regenerative amplifier based on Yb:CaYAlO4 dual-crystal configuration

J Song, Y Peng, L Shen, J Sun, G Luo, X Xu, J Xu… - Optics Letters, 2023 - opg.optica.org
A thermal lens insensitive regenerative amplifier (RA) with a dual Yb: CaYAlO_4 (Yb: CYA)
crystal configuration for extending gain spectra is demonstrated for the first time, to the best …

Generation of 100 W, millijoule-class picosecond laser from a single-stage Yb: YAG dual-crystal bulk amplifier

G Gao, J Song, Y Peng, L Shen, J Zhu, Y Liu… - Optics Express, 2024 - opg.optica.org
We demonstrate a dual-crystal Yb: YAG bulk regenerative amplifier that delivers a hundred-
watt average power and millijoule-class pulse energy. The repetition rate of the presented …

In vivo biological safety investigation of Yb-CALGO femtosecond laser dental surgery

T Pu, J Wang, W Wang, B Jing, Q Han, C Li, H Liang - Optics Letters, 2024 - opg.optica.org
While lasers have found their successful applications in various clinical specialties, in
clinical dental practice, traditional mechanical drills are still predominantly utilized. Although …

10-mJ 300-fs 1-kHz cryogenically cooled Yb: CaF2 regenerative amplifier

G Zhang, R Li, K Li, H Xu, B Zhang, J Niu, Y Sui… - Optics …, 2024 - Elsevier
In this paper, we report on a cw-pumped cryogenically cooled Yb: CaF 2 laser crystal
regenerative amplifier that can produce> 10.3 mJ,< 285 fs laser pulses at 1034-nm and …

Broadband amplification and thermal lensing in a combination of Yb: YLF and Yb: YAG crystals

EA Mironov, II Kuznetsov, OV Palashov, OA Morozov… - Applied Optics, 2024 - opg.optica.org
Broadband amplification of laser radiation in a combination of Yb: YLF and Yb: YAG crystals
was demonstrated. It was shown that, with the input spectrum width of 20 nm, the width at the …