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16.6 J chirped femtosecond laser pulses from a diode-pumped Yb:CaF2 amplifier. | LitMetric

AI Article Synopsis

  • Amplification of laser pulses centered at 1034 nm achieved an energy output of 16.6 J using a Yb:CaF2 active medium in a diode-pumped setup.
  • A gain factor of g=6.1 was realized in a nine-pass amplifier configuration, consistent with simulation predictions.
  • The system demonstrated a spectral bandwidth of 10 nm, allowing for potential pulse compression down to 150 femtoseconds, representing a new record for diode-pumped chirped-pulse amplifiers.

Article Abstract

We report the amplification of laser pulses at a center wavelength of 1034 nm to an energy of 16.6 J from a fully diode-pumped amplifier using Yb:CaF2 as the active medium. Pumped by a total optical power of 300 kW from high-power laser diodes, a gain factor of g=6.1 was achieved in a nine-pass amplifier configuration agreeing with numerical simulations. A measured spectral bandwidth of 10 nm full width at half-maximum promises a bandwidth-limited compression of the pulses down to a duration of 150 fs. These are, to our knowledge, the most energetic laser pulses achieved from a diode-pumped chirped-pulse amplifier so far.

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Source
http://dx.doi.org/10.1364/OL.39.001333DOI Listing

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