High pulse energy multiwatt Yb:CaAlGdO_4 and Yb:CaF_2 regenerative amplifiers | Zendy

E. Caracciolo | Zendy; Matthias Kemnitzer | Zendy; A. Guandalini | Zendy; Federico Pirzio | Zendy; Antonio Agnesi | Zendy; J. Aus der Au | Zendy

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High pulse energy multiwatt Yb:CaAlGdO_4 and Yb:CaF_2 regenerative amplifiers

Author(s) -

E. Caracciolo,

Matthias Kemnitzer,

A. Guandalini,

Federico Pirzio,

Antonio Agnesi,

J. Aus der Au

Publication year - 2014

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.22.019912

Subject(s) - regenerative amplification , amplifier , optics , materials science , pulse (music) , laser , pulse repetition frequency , range (aeronautics) , pulse duration , ytterbium , optoelectronics , power (physics) , pulse shaping , energy (signal processing) , physics , telecommunications , computer science , radar , cmos , quantum mechanics , detector , composite material

We investigated and compared Yb:CaAlGdO4 and Yb:CaF2 regenerative amplifiers at repetition rates 5-10 kHz, a frequency range interesting for industrial applications requiring relatively high pulse energy. Both materials allow for pulse energies close to 1 mJ with sub-400-fs pulses. The two laser materials offer comparable performance in the pump power range investigated. The same regenerative amplifiers can be run up to 500 kHz for much faster material processing, with maximum output power of up to 9.4 W.

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