1.36 W Passively Q-Switched YVO4/Nd:YVO4 Laser With a WS2 Saturable Absorber

1.36 W Passively Q-Switched YVO4/Nd:YVO4 Laser With a WS2 Saturable Absorber

By using WS 2 as saturable absorber (SA), a diode-pumped passively Q-switched YVO 4 /Nd:YVO 4 laser is demonstrated. Under the pump power of 6.28 W, a maximum output power of 1.36 W and minimum pulse duration of 56 ns with a repetition rate of 1.03 MHz are obtained, resulting in a peak power of as h...

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Veröffentlicht in:IEEE photonics technology letters 2017-03, Vol.29 (5), p.470-473
Hauptverfasser: Tang, Wenjing, Wang, Yonggang, Yang, Kejian, Zhao, Jia, Zhao, Shengzhi, Li, Guiqiu, Li, Dechun, Li, Tao, Qiao, Wenchao
Format: Artikel
Sprache:eng
Schlagworte:
Absorption
Crystals
Diode-pumped
Laser excitation
Lasers
Power generation
Power lasers
Pulse duration
Pump lasers
Q switched lasers
Q-switched
Solid lasers
WS₂ saturable absorber
X-rays
YVO₄/Nd:YVO₄ crystal
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Zusammenfassung:By using WS 2 as saturable absorber (SA), a diode-pumped passively Q-switched YVO 4 /Nd:YVO 4 laser is demonstrated. Under the pump power of 6.28 W, a maximum output power of 1.36 W and minimum pulse duration of 56 ns with a repetition rate of 1.03 MHz are obtained, resulting in a peak power of as high as 23.6 W. So far as we know, it is the shortest pulse duration in Q-switched lasers with 2-D materials. The experimental results show that WS 2 is an excellent SA for all-solid-state Q-switched lasers.
ISSN:1041-1135
1941-0174
DOI:10.1109/LPT.2017.2657325