Broadly Tunable and Passively Mode-Locked Operations of Yb3+,Gd3+:SrF2 Laser

Broadly Tunable and Passively Mode-Locked Operations of Yb3+,Gd3+:SrF2 Laser

Both tunable and passively mode-locked laser oscillators based on an efficient Yb,Gd:SrF 2 crystal are reported for the first time. Charge compensation ions of Gd 3+ enhanced the emission and absorption cross section of Yb,Gd:SrF 2 crystal markedly. With the aid of birefringent filter, a 61.1-nm con...

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Veröffentlicht in:IEEE journal of selected topics in quantum electronics 2019-07, Vol.25 (4), p.1-5
Hauptverfasser: Wu, Yongjing, Zou, Zhengting, Wang, Cong, Liu, Jie, Zheng, Lihe, Su, Liangbi
Format: Artikel
Sprache:eng
Schlagworte:
Absorption cross sections
Birefringent filters
Crystals
diode-pumped
Gadolinium
Laser excitation
Laser mode locking
Laser tuning
Lasers
Oscillators
passively mode-locked
Pulse duration
solid-state lasers
Strontium fluorides
Tunable lasers
Ultrafast lasers
Ytterbium
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Zusammenfassung:Both tunable and passively mode-locked laser oscillators based on an efficient Yb,Gd:SrF 2 crystal are reported for the first time. Charge compensation ions of Gd 3+ enhanced the emission and absorption cross section of Yb,Gd:SrF 2 crystal markedly. With the aid of birefringent filter, a 61.1-nm continuous-wavelength-tunable laser from 1020.2 to 1081.3 nm was obtained, making it a potential candidate for ultrafast lasers. Based on a semiconductor saturable absorber mirror, a diode-pumped passively mode-locked laser with the pulse width of 951 fs was realized. The oscillator operated at a repetition rate of 92 MHz.
ISSN:1077-260X
1558-4542
DOI:10.1109/JSTQE.2019.2922816