• Media type: Text; E-Article
  • Title: High repetition rate, J-level, CPA-free ultrashort pulse multipass amplifier based on Ho:YLF
  • Contributor: Hinkelmann, Moritz [Author]; Wandt, Dieter [Author]; Morgner, Uwe [Author]; Neumann, Jörg [Author]; Kracht, Dietmar [Author]
  • imprint: Washington, DC : Optical Society of America, 2018
  • Published in: Optics Express 26 (2018), Nr. 14
  • Issue: published Version
  • Language: English
  • DOI: https://doi.org/10.15488/4200; https://doi.org/10.1364/OE.26.018125
  • Keywords: Lithium Fluoride ; Multipass amplifiers ; Pulse repetition rate ; Pulse peak power ; Yttrium compounds ; Ultrashort pulses ; Fluorine compounds ; IR spectral regions ; Repetition rate ; Holmium compounds ; Soliton oscillators ; Fiber amplifiers ; High repetition rate ; All-fiber system ; Optical pumping ; Multi-pass amplification
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  • Description: We report on CPA-free multipass amplification of ps-pulses in Holmium-doped yttrium lithium fluoride (Ho:YLF) crystals up to µJ pulse-energy-covering repetition rates from 10 kHz up to 500 kHz. The seed pulses at a wavelength of 2.05 µm are provided by a Ho-based all-fiber system consisting of a soliton oscillator and a subsequent pre-amplifier followed by a free-space AOM as pulse-picker. Considering the achieved pulse peak power at MW-level, this system is a powerful tool for e cient pumping of parametric conversion stages addressing the highly demanded mid-IR spectral region.
  • Access State: Open Access