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Millijoule-level, kilohertz-rate, CPA-free linear amplifier for 2 µm ultrashort laser pulses

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M. Hinkelmann, B. Schulz, D. Wandt, U. Morgner, M. Frede, J. Neumann, D. Kracht
Millijoule-level, kilohertz-rate, CPA-free linear amplifier for 2 µm ultrashort laser pulses
Optics Letters 23 (43), 5857–5860 (2018)
Publication type: Journal Article (reviewed)
DOI: 10.1364/OL.43.005857

Abstract

The generation of millijoule-level ultrashort laser pulses at a wavelength of 2.05 µm in a compact chirped pulse amplification-free linear amplifier based on Holmium-doped YLF gain medium is presented. More than 100 MW of pulse peak power has been achieved. We show the capabilities of this laser amplifier from a 1 kHz to 100 kHz repetition rate. A detailed numerical description supports the experimental work and verifies the achieved results.