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Proceedings Paper

Generation of 40 W, 400 fs pulses at 1 MHz repetition rate from efficient, room temperature Yb:YAG double-pass amplifier seeded by fiber CPA system
Author(s): L. Veselis; T. Bartulevicius; K. Madeikis; A. Michailovas
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Paper Abstract

In this work we presented a compact femtosecond high average power (35 W), high energy (35 uJ) and high pulse repetition rate (1 MHz) laser system based on efficient room-temperature Yb:YAG crystal rod double-pass power amplifier and Yb doped fiber seed laser. High fidelity nearly transform-limited pulses (330 fs) were obtained by using matched dispersion pair of chirped fiber Bragg grating (CFBG) as a pulse stretcher and 4-pass diffraction grating based pulse compressor. Residual dispersion mismatch was compensated by applying linear thermal gradient along CFBG. Presented laser system is a compact and convenient solution for various industrial and scientific applications.

Paper Details

Date Published: 21 February 2020
PDF: 7 pages
Proc. SPIE 11259, Solid State Lasers XXIX: Technology and Devices, 1125925 (21 February 2020); doi: 10.1117/12.2545473
Show Author Affiliations
L. Veselis, EKSPLA (Lithuania)
Ctr. for Physical Sciences and Technology (Lithuania)
T. Bartulevicius, EKSPLA (Lithuania)
Ctr. for Physical Sciences and Technology (Lithuania)
K. Madeikis, EKSPLA (Lithuania)
Ctr. for Physical Sciences and Technology (Lithuania)
A. Michailovas, EKSPLA (Lithuania)
Ctr. for Physical Sciences and Technology (Lithuania)


Published in SPIE Proceedings Vol. 11259:
Solid State Lasers XXIX: Technology and Devices
W. Andrew Clarkson; Ramesh K. Shori, Editor(s)

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