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800-fs, 330-μJ pulses from a 100-W regenerative Yb:YAG thin-disk amplifier at 300  kHz and THz generation in LiNbO<sub>3</sub>

800-fs, 330-μJ pulses from a 100-W regenerative Yb:YAG thin-disk amplifier at 300  kHz and THz generation in LiNbO3

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SCHNEIDER, Waldemar, Andrey RYABOV, Csaba LOMBOSI, Tom METZGER, Zsuzsanna MAJOR, József A. FÜLÖP, Peter BAUM, 2014. 800-fs, 330-μJ pulses from a 100-W regenerative Yb:YAG thin-disk amplifier at 300  kHz and THz generation in LiNbO3. In: Optics Letters. 39(23), pp. 6604-6607. ISSN 0146-9592. eISSN 1539-4794. Available under: doi: 10.1364/OL.39.006604

@article{Schneider2014-12-01800fs-43271, title={800-fs, 330-μJ pulses from a 100-W regenerative Yb:YAG thin-disk amplifier at 300  kHz and THz generation in LiNbO3}, year={2014}, doi={10.1364/OL.39.006604}, number={23}, volume={39}, issn={0146-9592}, journal={Optics Letters}, pages={6604--6607}, author={Schneider, Waldemar and Ryabov, Andrey and Lombosi, Csaba and Metzger, Tom and Major, Zsuzsanna and Fülöp, József A. and Baum, Peter} }

Ryabov, Andrey Schneider, Waldemar Ryabov, Andrey 2018-09-17T08:26:15Z Lombosi, Csaba 2014-12-01 800-fs, 330-μJ pulses from a 100-W regenerative Yb:YAG thin-disk amplifier at 300  kHz and THz generation in LiNbO<sub>3</sub> Major, Zsuzsanna Lombosi, Csaba eng Yb:YAG thin-disk lasers offer extraordinary output power, but systems delivering femtosecond pulses at a repetition rate of hundreds of kilohertz are scarce, even though this regime is ideal for ultrafast electron diffraction, coincidence imaging, attosecond science, and terahertz (THz) spectroscopy. Here we describe a regenerative Yb:YAG amplifier based on thin-disk technology, producing 800-fs pulses at a repetition rate adjustable between 50 and 400 kHz. The key design elements are a short regenerative cavity and fast-switching Pockels cell. The average output power is 130 W before the compressor and 100 W after compression, which at 300 kHz corresponds to pulse energies of 430 and 330 μJ, respectively. This is sufficient for a wide range of nonlinear conversions and broadening/compression schemes. As a first application, we use optical rectification in LiNbO3 to produce 30-nJ single-cycle THz pulses with 6 W pump power. The electric field exceeds 10  kV/cm at a central frequency of 0.3 THz, suitable for driving structural dynamics or controlling electron beams. Metzger, Tom Baum, Peter Schneider, Waldemar Fülöp, József A. 2018-09-17T08:26:15Z Metzger, Tom Baum, Peter Major, Zsuzsanna Fülöp, József A.

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