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Investigation of the pulse energy limits of actively Q-switched polarization-maintaining Tm3+-doped fiber lasers

: Schneider, Julian; Forster, Patrick; Romano, Clément; Eichhorn, Marc; Kieleck, Christelle

Fulltext urn:nbn:de:0011-n-6361192 (3.7 MByte PDF)
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Created on: 22.6.2021

OSA continuum 4 (2021), No.5, pp.1577-1586
ISSN: 2578-7519
Journal Article, Electronic Publication
Fraunhofer IOSB ()

A diode-pumped actively Q-switched polarization-maintaining Tm3+-doped fiber laser is reported generating pulse energies of 630 μJ, minimum pulse widths of 42 ns, and a maximum peak power of 13.9 kW with linear polarized output and diffraction-limited beam quality at a wavelength of 2044 nm. The unpolarized fiber laser even reaches pulse energies of 800 μJ, pulse widths of 41 ns, and peak powers of 18.6 kW.